#6B212A

Closest named color: Reddy Brown (#6E1005). oklch(36.6% 0.105 17), rgb(107, 33, 42).

Aa

White text reads best on this color (11.19:1).

About this color

#6B212A is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.105 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.041 away. White text reads best on it, at 11.19:1.

Hue familyReds
Lightnessdark (37%)
Chromamoderately saturated (0.105)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.87:1
White text11.19:1

Values

HEX#6B212A
RGBrgb(107, 33, 42)
HSLhsl(353, 53%, 27%)
OKLCHoklch(36.6% 0.105 17)

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 #6B212A 11.19:1 AAA Lc -99.0 Preferred for body text
Black text on #6B212A 1.87:1 Fails Lc 8.8 Not readable
#6B212A text on white 11.19:1 AAA Lc 95.1 Preferred for body text
#6B212A text on black 1.87:1 Fails Lc -7.6 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

    #F5CECF

    oklch(88.5% 0.044 16.3)

  4. Step 300

    300

    #EFACAE

    oklch(80.8% 0.079 17)

  5. Step 400

    400

    #E47E84

    oklch(70.7% 0.126 17.1)

  6. Step 500

    500

    #D95966

    oklch(63.1% 0.161 16.9)

  7. Step 600

    600

    #C4394D

    oklch(55.6% 0.175 16.9)

  8. Step 700

    700

    #A92A3E

    oklch(49.1% 0.162 17.1)

  9. Step 800

    800

    #892533

    oklch(42.7% 0.134 17.2)

  10. Step 900

    900 (this color)

    #6B212A

    oklch(36.6% 0.105 17)

  11. Step 950

    950

    #41161A

    oklch(26.9% 0.067 17.2)

Export this scale for Tailwind in the Tailwind colors tool

#6B212A 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)#33312A0.116
Deuteranopia (no green cones)#4641280.107
Tritanopia (no blue cones)#7512250.027
Achromatopsia (no color)#3B3B3B0.106

Harmonies

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

Complementary

The opposite hue (180°).

  • #6B212A

    #6B212A

    oklch(36.6% 0.105 17)

  • #00484A

    #00484A

    oklch(36.5% 0.062 198)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6B212A

    #6B212A

    oklch(36.6% 0.105 17)

  • #642349

    #642349

    oklch(36.7% 0.104 347.3)

  • #672900

    #672900

    oklch(36.5% 0.101 47)

Open the analogous palette in the generator

Split complementary

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

  • #6B212A

    #6B212A

    oklch(36.6% 0.105 17)

  • #004B36

    #004B36

    oklch(36.6% 0.075 166.7)

  • #00455B

    #00455B

    oklch(36.4% 0.071 227.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6B212A

    #6B212A

    oklch(36.6% 0.105 17)

  • #204A06

    #204A06

    oklch(36.5% 0.105 136.9)

  • #143D74

    #143D74

    oklch(36.4% 0.105 257.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6B212A

    #6B212A

    oklch(36.6% 0.105 17)

  • #444100

    #444100

    oklch(36.6% 0.078 106.7)

  • #00484A

    #00484A

    oklch(36.5% 0.062 198)

  • #3C3372

    #3C3372

    oklch(36.6% 0.105 286.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6B212A, closest first.

Similar named colors

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

Use #6B212A 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.