#6C1F27

Closest named color: Reddy Brown (#6E1005). oklch(36.4% 0.109 18.5), rgb(108, 31, 39).

Aa

White text reads best on this color (11.27:1).

About this color

#6C1F27 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.109 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.036 away. White text reads best on it, at 11.27:1.

Hue familyReds
Lightnessdark (36%)
Chromamoderately saturated (0.109)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.86:1
White text11.27:1

Values

HEX#6C1F27
RGBrgb(108, 31, 39)
HSLhsl(354, 55%, 27%)
OKLCHoklch(36.4% 0.109 18.5)

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 #6C1F27 11.27:1 AAA Lc -99.0 Preferred for body text
Black text on #6C1F27 1.86:1 Fails Lc 8.7 Not readable
#6C1F27 text on white 11.27:1 AAA Lc 95.2 Preferred for body text
#6C1F27 text on black 1.86:1 Fails Lc -7.5 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

    #FDF3F3

    oklch(97.2% 0.011 17.3)

  2. Step 100

    100

    #F9E4E4

    oklch(93.6% 0.023 17.6)

  3. Step 200

    200

    #F6CECE

    oklch(88.6% 0.045 18)

  4. Step 300

    300

    #F1ACAC

    oklch(81% 0.081 19)

  5. Step 400

    400

    #E67D81

    oklch(70.7% 0.13 18.5)

  6. Step 500

    500

    #DC5661

    oklch(63.1% 0.168 18.5)

  7. Step 600

    600

    #C73548

    oklch(55.6% 0.182 18.4)

  8. Step 700

    700

    #AB2639

    oklch(49% 0.168 18.7)

  9. Step 800

    800

    #8B2230

    oklch(42.6% 0.14 18.3)

  10. Step 900

    900 (this color)

    #6C1F27

    oklch(36.4% 0.109 18.5)

  11. Step 950

    950

    #421619

    oklch(27.1% 0.068 18.8)

Export this scale for Tailwind in the Tailwind colors tool

#6C1F27 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)#3330270.119
Deuteranopia (no green cones)#4741250.110
Tritanopia (no blue cones)#770D220.029
Achromatopsia (no color)#3B3B3B0.109

Harmonies

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

Complementary

The opposite hue (180°).

  • #6C1F27

    #6C1F27

    oklch(36.4% 0.109 18.5)

  • #00484A

    #00484A

    oklch(36.5% 0.062 198)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6C1F27

    #6C1F27

    oklch(36.4% 0.109 18.5)

  • #652048

    #652048

    oklch(36.4% 0.11 348.1)

  • #662A00

    #662A00

    oklch(36.4% 0.099 48.2)

Open the analogous palette in the generator

Split complementary

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

  • #6C1F27

    #6C1F27

    oklch(36.4% 0.109 18.5)

  • #004A37

    #004A37

    oklch(36.4% 0.073 168.6)

  • #00455C

    #00455C

    oklch(36.5% 0.072 228.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6C1F27

    #6C1F27

    oklch(36.4% 0.109 18.5)

  • #1B4B05

    #1B4B05

    oklch(36.5% 0.109 138.5)

  • #153C76

    #153C76

    oklch(36.4% 0.109 258.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6C1F27

    #6C1F27

    oklch(36.4% 0.109 18.5)

  • #424100

    #424100

    oklch(36.4% 0.079 108.8)

  • #00484A

    #00484A

    oklch(36.5% 0.062 198)

  • #3E3173

    #3E3173

    oklch(36.4% 0.109 288.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6C1F27, closest first.

Similar named colors

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

Use #6C1F27 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.