#858EF3

Closest named color: Lavender Blue (#8B88F8). oklch(68.4% 0.148 277.9), rgb(133, 142, 243).

Aa

Black text reads best on this color (7.16:1).

About this color

#858EF3 is a medium-light, vivid blue. In OKLCH its lightness is 68%, its chroma 0.148 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Blue (#8B88F8), ΔE 0.019 away. Black text reads best on it, at 7.16:1.

Hue familyBlues
Lightnessmedium-light (68%)
Chromavivid (0.148)
Temperaturecool
Nearest nameLavender Blue (#8B88F8)
Black text7.16:1
White text2.93:1

Values

HEX#858EF3
RGBrgb(133, 142, 243)
HSLhsl(235, 82%, 74%)
OKLCHoklch(68.4% 0.148 277.9)

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 #858EF3 2.93:1 Fails Lc -61.0 Content text, not long reading
Black text on #858EF3 7.16:1 AAA Lc 48.4 Large or bold text, headings
#858EF3 text on white 2.93:1 Fails Lc 55.6 Large or bold text, headings
#858EF3 text on black 7.16:1 AAA Lc -46.2 Large or bold text, headings

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 400.

  1. Step 50

    50

    #F3F5FE

    oklch(97.1% 0.012 276.1)

  2. Step 100

    100

    #E5E9FC

    oklch(93.7% 0.026 276.4)

  3. Step 200

    200

    #D0D7FC

    oklch(88.6% 0.052 276.9)

  4. Step 300

    300

    #B2BBFC

    oklch(80.8% 0.092 278)

  5. Step 400

    400 (this color)

    #858EF3

    oklch(68.4% 0.148 277.9)

  6. Step 500

    500

    #7277F8

    oklch(63.1% 0.189 277.8)

  7. Step 600

    600

    #5D5CE7

    oklch(55.7% 0.205 277.7)

  8. Step 700

    700

    #4D4AC9

    oklch(49.1% 0.191 277.7)

  9. Step 800

    800

    #3F3EA3

    oklch(42.8% 0.159 277.8)

  10. Step 900

    900

    #353681

    oklch(37.7% 0.123 278.1)

  11. Step 950

    950

    #1F204B

    oklch(26.9% 0.078 278.8)

Export this scale for Tailwind in the Tailwind colors tool

#858EF3 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)#679BF70.044
Deuteranopia (no green cones)#5F93F10.045
Tritanopia (no blue cones)#5FA3B50.130
Achromatopsia (no color)#9797970.148

Harmonies

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

Complementary

The opposite hue (180°).

  • #858EF3

    #858EF3

    oklch(68.4% 0.148 277.9)

  • #B19900

    #B19900

    oklch(68.4% 0.141 97.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #858EF3

    #858EF3

    oklch(68.4% 0.148 277.9)

  • #419FF0

    #419FF0

    oklch(68.4% 0.149 248.1)

  • #B37EDF

    #B37EDF

    oklch(68.4% 0.148 308.1)

Open the analogous palette in the generator

Split complementary

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

  • #858EF3

    #858EF3

    oklch(68.4% 0.148 277.9)

  • #D4850B

    #D4850B

    oklch(68.4% 0.148 68)

  • #7FAA3A

    #7FAA3A

    oklch(68.4% 0.148 127.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #858EF3

    #858EF3

    oklch(68.4% 0.148 277.9)

  • #E57552

    #E57552

    oklch(68.5% 0.148 38)

  • #2AB475

    #2AB475

    oklch(68.3% 0.148 157.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #858EF3

    #858EF3

    oklch(68.4% 0.148 277.9)

  • #E46E88

    #E46E88

    oklch(68.4% 0.148 8)

  • #B19900

    #B19900

    oklch(68.4% 0.141 97.9)

  • #00B1A7

    #00B1A7

    oklch(68.5% 0.119 187.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #858EF3, closest first.

Similar named colors

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

Use #858EF3 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.