#621811

Closest named color: Reddy Brown (#6E1005). oklch(33.3% 0.107 29.4), rgb(98, 24, 17).

Aa

White text reads best on this color (12.66:1).

About this color

#621811 is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.107 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.026 away. White text reads best on it, at 12.66:1.

Hue familyReds
Lightnessdark (33%)
Chromamoderately saturated (0.107)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.65:1
White text12.66:1

Values

HEX#621811
RGBrgb(98, 24, 17)
HSLhsl(5, 70%, 23%)
OKLCHoklch(33.3% 0.107 29.4)

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 #621811 12.66:1 AAA Lc -101.2 Preferred for body text
Black text on #621811 1.65:1 Fails Lc 0.0 Not readable
#621811 text on white 12.66:1 AAA Lc 97.7 Preferred for body text
#621811 text on black 1.65:1 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

    #FDF3F1

    oklch(97.1% 0.011 31.1)

  2. Step 100

    100

    #F9E4E1

    oklch(93.5% 0.023 27.3)

  3. Step 200

    200

    #F5CFC8

    oklch(88.5% 0.044 30.2)

  4. Step 300

    300

    #F0ADA2

    oklch(80.8% 0.081 29.4)

  5. Step 400

    400

    #E67F71

    oklch(70.7% 0.13 28.9)

  6. Step 500

    500

    #DB5A4B

    oklch(63.1% 0.165 29.2)

  7. Step 600

    600

    #C63A2D

    oklch(55.5% 0.179 29.3)

  8. Step 700

    700

    #AB2B20

    oklch(49.1% 0.166 29.4)

  9. Step 800

    800

    #8B261C

    oklch(42.7% 0.138 29.6)

  10. Step 900

    900 (this color)

    #621811

    oklch(33.3% 0.107 29.4)

  11. Step 950

    950

    #421712

    oklch(27.1% 0.068 29)

Export this scale for Tailwind in the Tailwind colors tool

#621811 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)#2E29100.114
Deuteranopia (no green cones)#40390E0.105
Tritanopia (no blue cones)#6D00170.035
Achromatopsia (no color)#3333330.108

Harmonies

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

Complementary

The opposite hue (180°).

  • #621811

    #621811

    oklch(33.3% 0.107 29.4)

  • #003E46

    #003E46

    oklch(33.3% 0.057 209.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #621811

    #621811

    oklch(33.3% 0.107 29.4)

  • #5F1634

    #5F1634

    oklch(33.3% 0.108 359.9)

  • #532A00

    #532A00

    oklch(33.3% 0.079 58.9)

Open the analogous palette in the generator

Split complementary

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

  • #621811

    #621811

    oklch(33.3% 0.107 29.4)

  • #004037

    #004037

    oklch(33.3% 0.061 179.6)

  • #003A59

    #003A59

    oklch(33.2% 0.076 240.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #621811

    #621811

    oklch(33.3% 0.107 29.4)

  • #004319

    #004319

    oklch(33.4% 0.094 149.3)

  • #21306D

    #21306D

    oklch(33.4% 0.108 269.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #621811

    #621811

    oklch(33.3% 0.107 29.4)

  • #323B00

    #323B00

    oklch(33.2% 0.078 118.8)

  • #003E46

    #003E46

    oklch(33.3% 0.057 209.1)

  • #3F2564

    #3F2564

    oklch(33.2% 0.107 299.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #621811, closest first.

Similar named colors

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

Use #621811 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.