#4D3FDD

Closest named color: Blurple (#5539CC). oklch(49.2% 0.228 277.9), rgb(77, 63, 221).

Aa

White text reads best on this color (6.83:1).

About this color

#4D3FDD is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.228 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Blurple (#5539CC), ΔE 0.032 away. White text reads best on it, at 6.83:1.

Hue familyBlues
Lightnessmedium-dark (49%)
Chromavivid (0.228)
Temperaturecool
Nearest nameBlurple (#5539CC)
Black text3.07:1
White text6.83:1

Values

HEX#4D3FDD
RGBrgb(77, 63, 221)
HSLhsl(245, 70%, 56%)
OKLCHoklch(49.2% 0.228 277.9)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #4D3FDD 6.83:1 AA Lc -87.8 Fine for body text
Black text on #4D3FDD 3.07:1 AA large text Lc 21.3 Dividers and decoration only
#4D3FDD text on white 6.83:1 AA Lc 82.7 Fine for body text
#4D3FDD text on black 3.07:1 AA large text Lc -19.2 Dividers and decoration only

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.

  1. Step 50

    50

    #F3F5FF

    oklch(97.2% 0.013 277.1)

  2. Step 100

    100

    #E4E8FF

    oklch(93.5% 0.031 277.9)

  3. Step 200

    200

    #D0D6FF

    oklch(88.5% 0.057 278.6)

  4. Step 300

    300

    #B1BBFF

    oklch(80.9% 0.097 277.5)

  5. Step 400

    400

    #8B94FF

    oklch(70.6% 0.155 278)

  6. Step 500

    500

    #7175FF

    oklch(63.1% 0.201 277.7)

  7. Step 600

    600

    #5C50FD

    oklch(55.6% 0.246 277.9)

  8. Step 700

    700 (this color)

    #4D3FDD

    oklch(49.2% 0.228 277.9)

  9. Step 800

    800

    #3E36B2

    oklch(42.7% 0.188 277.7)

  10. Step 900

    900

    #34318D

    oklch(37.7% 0.148 278.1)

  11. Step 950

    950

    #1E1E52

    oklch(27% 0.093 278.2)

Export this scale for Tailwind in the Tailwind colors tool

#4D3FDD with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#0061E20.081
Deuteranopia (no green cones)#0054DA0.066
Tritanopia (no blue cones)#006B8A0.184
Achromatopsia (no color)#5B5B5B0.229

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #4D3FDD

    #4D3FDD

    oklch(49.2% 0.228 277.9)

  • #716100

    #716100

    oklch(49.3% 0.102 97.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #4D3FDD

    #4D3FDD

    oklch(49.2% 0.228 277.9)

  • #0064A7

    #0064A7

    oklch(49.1% 0.132 247.9)

  • #8520C1

    #8520C1

    oklch(49.2% 0.228 308)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #4D3FDD

    #4D3FDD

    oklch(49.2% 0.228 277.9)

  • #885300

    #885300

    oklch(49.1% 0.108 68.1)

  • #4C6E00

    #4C6E00

    oklch(49.3% 0.129 127.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #4D3FDD

    #4D3FDD

    oklch(49.2% 0.228 277.9)

  • #A83200

    #A83200

    oklch(49.1% 0.162 37.8)

  • #007447

    #007447

    oklch(49.2% 0.115 158)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #4D3FDD

    #4D3FDD

    oklch(49.2% 0.228 277.9)

  • #B3004C

    #B3004C

    oklch(49.1% 0.197 7.6)

  • #716100

    #716100

    oklch(49.3% 0.102 97.9)

  • #00706A

    #00706A

    oklch(49.1% 0.085 188.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #4D3FDD, closest first.

No curated palette has a color within ΔE 0.04 of #4D3FDD.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #4D3FDD in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.