#621018

Closest named color: Claret (#680018). oklch(32.6% 0.114 21.7), rgb(98, 16, 24).

Aa

White text reads best on this color (13.07:1).

About this color

#621018 is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.114 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.018 away. White text reads best on it, at 13.07:1.

Hue familyReds
Lightnessdark (33%)
Chromamoderately saturated (0.114)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.60:1
White text13.07:1

Values

HEX#621018
RGBrgb(98, 16, 24)
HSLhsl(354, 72%, 22%)
OKLCHoklch(32.6% 0.114 21.7)

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 #621018 13.07:1 AAA Lc -101.6 Preferred for body text
Black text on #621018 1.60:1 Fails Lc 0.0 Not readable
#621018 text on white 13.07:1 AAA Lc 98.2 Preferred for body text
#621018 text on black 1.60:1 Fails Lc 0.0 Not readable

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 900.

  1. Step 50

    50

    #FDF3F2

    oklch(97.2% 0.011 24.3)

  2. Step 100

    100

    #FAE4E2

    oklch(93.6% 0.024 23.9)

  3. Step 200

    200

    #F7CDCB

    oklch(88.4% 0.048 21.3)

  4. Step 300

    300

    #F3ABA8

    oklch(80.9% 0.085 21.8)

  5. Step 400

    400

    #E97B7A

    oklch(70.6% 0.136 21.6)

  6. Step 500

    500

    #DF5358

    oklch(63% 0.175 21.6)

  7. Step 600

    600

    #CB303E

    oklch(55.7% 0.19 21.6)

  8. Step 700

    700

    #AF2030

    oklch(49.2% 0.177 21.6)

  9. Step 800

    800

    #8E1E28

    oklch(42.7% 0.147 21.7)

  10. Step 900

    900 (this color)

    #621018

    oklch(32.6% 0.114 21.7)

  11. Step 950

    950

    #431516

    oklch(27% 0.071 21.9)

Export this scale for Tailwind in the Tailwind colors tool

#621018 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)#2926180.125
Deuteranopia (no green cones)#3D37150.115
Tritanopia (no blue cones)#6C00140.023
Achromatopsia (no color)#3131310.115

Harmonies

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

Complementary

The opposite hue (180°).

  • #621018

    #621018

    oklch(32.6% 0.114 21.7)

  • #003D40

    #003D40

    oklch(32.7% 0.056 200.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #621018

    #621018

    oklch(32.6% 0.114 21.7)

  • #5C113B

    #5C113B

    oklch(32.6% 0.115 351.3)

  • #552500

    #552500

    oklch(32.7% 0.084 51.6)

Open the analogous palette in the generator

Split complementary

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

  • #621018

    #621018

    oklch(32.6% 0.114 21.7)

  • #003F30

    #003F30

    oklch(32.7% 0.064 170.7)

  • #003A50

    #003A50

    oklch(32.7% 0.066 231.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #621018

    #621018

    oklch(32.6% 0.114 21.7)

  • #054100

    #054100

    oklch(32.6% 0.109 141.6)

  • #0F306D

    #0F306D

    oklch(32.6% 0.113 261.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #621018

    #621018

    oklch(32.6% 0.114 21.7)

  • #363700

    #363700

    oklch(32.5% 0.071 110.9)

  • #003D40

    #003D40

    oklch(32.7% 0.056 200.3)

  • #372469

    #372469

    oklch(32.6% 0.115 291.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #621018, closest first.

Similar named colors

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

Use #621018 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.