#6F171B

Closest named color: Reddy Brown (#6E1005). oklch(35.9% 0.122 23.7), rgb(111, 23, 27).

Aa

White text reads best on this color (11.57:1).

About this color

#6F171B is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.122 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.020 away. White text reads best on it, at 11.57:1.

Hue familyReds
Lightnessdark (36%)
Chromamoderately saturated (0.122)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.81:1
White text11.57:1

Values

HEX#6F171B
RGBrgb(111, 23, 27)
HSLhsl(357, 66%, 26%)
OKLCHoklch(35.9% 0.122 23.7)

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 #6F171B 11.57:1 AAA Lc -99.3 Preferred for body text
Black text on #6F171B 1.81:1 Fails Lc 8.5 Not readable
#6F171B text on white 11.57:1 AAA Lc 95.4 Preferred for body text
#6F171B text on black 1.81:1 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

    #FEF2F1

    oklch(97% 0.013 23.2)

  2. Step 100

    100

    #FBE4E1

    oklch(93.7% 0.026 26.5)

  3. Step 200

    200

    #F9CDC9

    oklch(88.5% 0.05 24.2)

  4. Step 300

    300

    #F6AAA4

    oklch(80.9% 0.091 24.3)

  5. Step 400

    400

    #EE7874

    oklch(70.7% 0.146 23.5)

  6. Step 500

    500

    #E44E4F

    oklch(63.1% 0.186 23.8)

  7. Step 600

    600

    #D02633

    oklch(55.7% 0.203 23.7)

  8. Step 700

    700

    #B31426

    oklch(49.1% 0.188 23.6)

  9. Step 800

    800

    #911721

    oklch(42.6% 0.156 23.5)

  10. Step 900

    900 (this color)

    #6F171B

    oklch(35.9% 0.122 23.7)

  11. Step 950

    950

    #451313

    oklch(27% 0.077 23.8)

Export this scale for Tailwind in the Tailwind colors tool

#6F171B 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)#312D1A0.133
Deuteranopia (no green cones)#4740180.122
Tritanopia (no blue cones)#7B00190.029
Achromatopsia (no color)#3939390.122

Harmonies

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

Complementary

The opposite hue (180°).

  • #6F171B

    #6F171B

    oklch(35.9% 0.122 23.7)

  • #00464B

    #00464B

    oklch(35.9% 0.061 202.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6F171B

    #6F171B

    oklch(35.9% 0.122 23.7)

  • #691741

    #691741

    oklch(35.8% 0.122 353.9)

  • #602D00

    #602D00

    oklch(36% 0.09 54)

Open the analogous palette in the generator

Split complementary

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

  • #6F171B

    #6F171B

    oklch(35.9% 0.122 23.7)

  • #00483A

    #00483A

    oklch(35.8% 0.068 174.1)

  • #00435E

    #00435E

    oklch(36% 0.075 233.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6F171B

    #6F171B

    oklch(35.9% 0.122 23.7)

  • #004B07

    #004B07

    oklch(35.8% 0.118 143.6)

  • #1A377B

    #1A377B

    oklch(35.8% 0.121 263.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6F171B

    #6F171B

    oklch(35.9% 0.122 23.7)

  • #3D4100

    #3D4100

    oklch(35.9% 0.081 113.7)

  • #00464B

    #00464B

    oklch(35.9% 0.061 202.9)

  • #422B75

    #422B75

    oklch(35.9% 0.121 293.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6F171B, closest first.

Similar named colors

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

Use #6F171B 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.