#621B28

Closest named color: Claret (#680018). oklch(34.1% 0.102 13.7), rgb(98, 27, 40).

Aa

White text reads best on this color (12.30:1).

About this color

#621B28 is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.102 and its hue 14°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.034 away. White text reads best on it, at 12.30:1.

Hue familyReds
Lightnessdark (34%)
Chromamoderately saturated (0.102)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.70:1
White text12.30:1

Values

HEX#621B28
RGBrgb(98, 27, 40)
HSLhsl(349, 57%, 25%)
OKLCHoklch(34.1% 0.102 13.7)

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 #621B28 12.30:1 AAA Lc -100.8 Preferred for body text
Black text on #621B28 1.70:1 Fails Lc 0.0 Not readable
#621B28 text on white 12.30:1 AAA Lc 97.2 Preferred for body text
#621B28 text on black 1.70:1 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

    #FCF3F3

    oklch(97.1% 0.01 17.3)

  2. Step 100

    100

    #F8E4E5

    oklch(93.5% 0.022 14.1)

  3. Step 200

    200

    #F4CED1

    oklch(88.5% 0.043 12.6)

  4. Step 300

    300

    #EEADB2

    oklch(81% 0.077 13.8)

  5. Step 400

    400

    #E27F8A

    oklch(70.7% 0.122 13.6)

  6. Step 500

    500

    #D75A6D

    oklch(63.1% 0.158 13.5)

  7. Step 600

    600

    #C23B55

    oklch(55.6% 0.171 13.5)

  8. Step 700

    700

    #A72C45

    oklch(49.1% 0.159 13.8)

  9. Step 800

    800

    #872739

    oklch(42.7% 0.13 13.7)

  10. Step 900

    900 (this color)

    #621B28

    oklch(34.1% 0.102 13.7)

  11. Step 950

    950

    #40171D

    oklch(27% 0.064 13.4)

Export this scale for Tailwind in the Tailwind colors tool

#621B28 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)#2D2C280.112
Deuteranopia (no green cones)#3F3A260.103
Tritanopia (no blue cones)#6C0C200.026
Achromatopsia (no color)#3535350.103

Harmonies

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

Complementary

The opposite hue (180°).

  • #621B28

    #621B28

    oklch(34.1% 0.102 13.7)

  • #004141

    #004141

    oklch(34% 0.058 194.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #621B28

    #621B28

    oklch(34.1% 0.102 13.7)

  • #5A1D45

    #5A1D45

    oklch(34% 0.102 343.7)

  • #602200

    #602200

    oklch(34.1% 0.099 43.9)

Open the analogous palette in the generator

Split complementary

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

  • #621B28

    #621B28

    oklch(34.1% 0.102 13.7)

  • #00442E

    #00442E

    oklch(34.2% 0.073 163.9)

  • #003F50

    #003F50

    oklch(34.1% 0.063 222.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #621B28

    #621B28

    oklch(34.1% 0.102 13.7)

  • #214200

    #214200

    oklch(34% 0.097 133.9)

  • #05386B

    #05386B

    oklch(34.1% 0.102 253.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #621B28

    #621B28

    oklch(34.1% 0.102 13.7)

  • #3F3900

    #3F3900

    oklch(34% 0.071 102.9)

  • #004141

    #004141

    oklch(34% 0.058 194.8)

  • #332E6A

    #332E6A

    oklch(34.1% 0.101 283.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #621B28, closest first.

Similar named colors

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

Use #621B28 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.