#6E1B21

Closest named color: Reddy Brown (#6E1005). oklch(36.2% 0.116 21.4), rgb(110, 27, 33).

Aa

White text reads best on this color (11.40:1).

About this color

#6E1B21 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.116 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.028 away. White text reads best on it, at 11.40:1.

Hue familyReds
Lightnessdark (36%)
Chromamoderately saturated (0.116)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.84:1
White text11.40:1

Values

HEX#6E1B21
RGBrgb(110, 27, 33)
HSLhsl(356, 61%, 27%)
OKLCHoklch(36.2% 0.116 21.4)

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 #6E1B21 11.40:1 AAA Lc -99.1 Preferred for body text
Black text on #6E1B21 1.84:1 Fails Lc 8.6 Not readable
#6E1B21 text on white 11.40:1 AAA Lc 95.3 Preferred for body text
#6E1B21 text on black 1.84:1 Fails Lc -7.4 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

    #F8CDCB

    oklch(88.5% 0.049 21.2)

  4. Step 300

    300

    #F4ABA8

    oklch(81% 0.087 21.8)

  5. Step 400

    400

    #EA7A7A

    oklch(70.6% 0.139 21.2)

  6. Step 500

    500

    #E05258

    oklch(63.1% 0.177 21.3)

  7. Step 600

    600

    #CC2D3D

    oklch(55.6% 0.194 21.4)

  8. Step 700

    700

    #B01D30

    oklch(49.1% 0.18 21.2)

  9. Step 800

    800

    #8F1C28

    oklch(42.7% 0.149 21.3)

  10. Step 900

    900 (this color)

    #6E1B21

    oklch(36.2% 0.116 21.4)

  11. Step 950

    950

    #441416

    oklch(27% 0.074 21.1)

Export this scale for Tailwind in the Tailwind colors tool

#6E1B21 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)#322F210.127
Deuteranopia (no green cones)#47401F0.115
Tritanopia (no blue cones)#79011E0.031
Achromatopsia (no color)#3A3A3A0.117

Harmonies

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

Complementary

The opposite hue (180°).

  • #6E1B21

    #6E1B21

    oklch(36.2% 0.116 21.4)

  • #00474B

    #00474B

    oklch(36.2% 0.062 201.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6E1B21

    #6E1B21

    oklch(36.2% 0.116 21.4)

  • #681C45

    #681C45

    oklch(36.3% 0.116 351.3)

  • #632C00

    #632C00

    oklch(36.3% 0.094 51.4)

Open the analogous palette in the generator

Split complementary

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

  • #6E1B21

    #6E1B21

    oklch(36.2% 0.116 21.4)

  • #004939

    #004939

    oklch(36.1% 0.07 171.9)

  • #00445D

    #00445D

    oklch(36.3% 0.073 231)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6E1B21

    #6E1B21

    oklch(36.2% 0.116 21.4)

  • #0D4B04

    #0D4B04

    oklch(36.1% 0.116 141.4)

  • #173A79

    #173A79

    oklch(36.2% 0.115 261)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6E1B21

    #6E1B21

    oklch(36.2% 0.116 21.4)

  • #404100

    #404100

    oklch(36.2% 0.079 110.8)

  • #00474B

    #00474B

    oklch(36.2% 0.062 201.2)

  • #402E75

    #402E75

    oklch(36.2% 0.117 291.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6E1B21, closest first.

Similar named colors

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

Use #6E1B21 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.