#6439CF

Closest named color: Bluey Purple (#6241C7). oklch(49% 0.215 289), rgb(100, 57, 207).

Aa

White text reads best on this color (6.93:1).

About this color

#6439CF is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.215 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.019 away. White text reads best on it, at 6.93:1.

Hue familyPurples
Lightnessmedium-dark (49%)
Chromavivid (0.215)
Temperaturecool
Nearest nameBluey Purple (#6241C7)
Black text3.02:1
White text6.93:1

Values

HEX#6439CF
RGBrgb(100, 57, 207)
HSLhsl(257, 61%, 52%)
OKLCHoklch(49% 0.215 289)

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 #6439CF 6.93:1 AA Lc -88.2 Fine for body text
Black text on #6439CF 3.02:1 AA large text Lc 20.9 Dividers and decoration only
#6439CF text on white 6.93:1 AA Lc 83.2 Fine for body text
#6439CF text on black 3.02:1 AA large text Lc -18.8 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

    #F5F4FF

    oklch(97.1% 0.015 290.3)

  2. Step 100

    100

    #E9E7FD

    oklch(93.6% 0.03 290)

  3. Step 200

    200

    #D7D4FE

    oklch(88.6% 0.058 288.4)

  4. Step 300

    300

    #BEB6FF

    oklch(80.9% 0.102 288.9)

  5. Step 400

    400

    #9F8CFF

    oklch(70.7% 0.164 289.1)

  6. Step 500

    500

    #8A69FF

    oklch(63.1% 0.213 288.9)

  7. Step 600

    600

    #774AEE

    oklch(55.6% 0.231 289.2)

  8. Step 700

    700 (this color)

    #6439CF

    oklch(49% 0.215 289)

  9. Step 800

    800

    #5131A7

    oklch(42.6% 0.178 289)

  10. Step 900

    900

    #432E85

    oklch(37.8% 0.139 289.1)

  11. Step 950

    950

    #271C4E

    oklch(27.1% 0.088 289.3)

Export this scale for Tailwind in the Tailwind colors tool

#6439CF 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)#005DD30.110
Deuteranopia (no green cones)#0056CC0.106
Tritanopia (no blue cones)#3C61810.173
Achromatopsia (no color)#5A5A5A0.216

Harmonies

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

Complementary

The opposite hue (180°).

  • #6439CF

    #6439CF

    oklch(49% 0.215 289)

  • #666500

    #666500

    oklch(49.1% 0.107 109.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6439CF

    #6439CF

    oklch(49% 0.215 289)

  • #0058C9

    #0058C9

    oklch(49% 0.19 259)

  • #911EAB

    #911EAB

    oklch(49.1% 0.215 319.1)

Open the analogous palette in the generator

Split complementary

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

  • #6439CF

    #6439CF

    oklch(49% 0.215 289)

  • #7F5800

    #7F5800

    oklch(49% 0.102 78.8)

  • #277400

    #277400

    oklch(49.2% 0.155 139)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6439CF

    #6439CF

    oklch(49% 0.215 289)

  • #994400

    #994400

    oklch(49% 0.131 49)

  • #007257

    #007257

    oklch(49.1% 0.098 169.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6439CF

    #6439CF

    oklch(49% 0.215 289)

  • #B50030

    #B50030

    oklch(49% 0.196 19)

  • #666500

    #666500

    oklch(49.1% 0.107 109.1)

  • #006E72

    #006E72

    oklch(48.9% 0.083 199.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6439CF, closest first.

No curated palette has a color within ΔE 0.04 of #6439CF.

Similar named colors

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

Use #6439CF 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.