#6D171F

Closest named color: Reddy Brown (#6E1005). oklch(35.6% 0.119 21), rgb(109, 23, 31).

Aa

White text reads best on this color (11.71:1).

About this color

#6D171F is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.119 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.025 away. White text reads best on it, at 11.71:1.

Hue familyReds
Lightnessdark (36%)
Chromamoderately saturated (0.119)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.79:1
White text11.71:1

Values

HEX#6D171F
RGBrgb(109, 23, 31)
HSLhsl(354, 65%, 26%)
OKLCHoklch(35.6% 0.119 21)

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 #6D171F 11.71:1 AAA Lc -99.5 Preferred for body text
Black text on #6D171F 1.79:1 Fails Lc 8.1 Not readable
#6D171F text on white 11.71:1 AAA Lc 95.8 Preferred for body text
#6D171F text on black 1.79:1 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

    #FDF2F2

    oklch(97% 0.012 17.4)

  2. Step 100

    100

    #FBE4E2

    oklch(93.7% 0.025 23.6)

  3. Step 200

    200

    #F9CDCB

    oklch(88.6% 0.05 21.2)

  4. Step 300

    300

    #F5AAA8

    oklch(80.9% 0.089 20.9)

  5. Step 400

    400

    #EC7979

    oklch(70.7% 0.142 21.3)

  6. Step 500

    500

    #E24F57

    oklch(63% 0.182 21)

  7. Step 600

    600

    #CE293D

    oklch(55.6% 0.199 20.9)

  8. Step 700

    700

    #B1182F

    oklch(49% 0.184 20.9)

  9. Step 800

    800

    #901928

    oklch(42.7% 0.153 20.7)

  10. Step 900

    900 (this color)

    #6D171F

    oklch(35.6% 0.119 21)

  11. Step 950

    950

    #441316

    oklch(26.9% 0.075 20.3)

Export this scale for Tailwind in the Tailwind colors tool

#6D171F 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)#302C1F0.130
Deuteranopia (no green cones)#463F1C0.120
Tritanopia (no blue cones)#78001B0.027
Achromatopsia (no color)#3838380.120

Harmonies

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

Complementary

The opposite hue (180°).

  • #6D171F

    #6D171F

    oklch(35.6% 0.119 21)

  • #004549

    #004549

    oklch(35.5% 0.06 201.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6D171F

    #6D171F

    oklch(35.6% 0.119 21)

  • #661843

    #661843

    oklch(35.4% 0.119 351.1)

  • #602A00

    #602A00

    oklch(35.4% 0.092 50.9)

Open the analogous palette in the generator

Split complementary

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

  • #6D171F

    #6D171F

    oklch(35.6% 0.119 21)

  • #004737

    #004737

    oklch(35.4% 0.069 171.4)

  • #00425A

    #00425A

    oklch(35.5% 0.071 230.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6D171F

    #6D171F

    oklch(35.6% 0.119 21)

  • #0B4A00

    #0B4A00

    oklch(35.7% 0.117 141)

  • #133879

    #133879

    oklch(35.6% 0.119 260.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6D171F

    #6D171F

    oklch(35.6% 0.119 21)

  • #3E3F00

    #3E3F00

    oklch(35.5% 0.078 110.8)

  • #004549

    #004549

    oklch(35.5% 0.06 201.4)

  • #3E2C74

    #3E2C74

    oklch(35.6% 0.118 290.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6D171F, closest first.

Similar named colors

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

Use #6D171F 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.