#6B021A

Closest named color: Claret (#680018). oklch(33.6% 0.133 18.6), rgb(107, 2, 26).

Aa

White text reads best on this color (12.73:1).

About this color

#6B021A is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.133 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.008 away. White text reads best on it, at 12.73:1.

Hue familyReds
Lightnessdark (34%)
Chromamoderately saturated (0.133)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.64:1
White text12.73:1

Values

HEX#6B021A
RGBrgb(107, 2, 26)
HSLhsl(346, 96%, 21%)
OKLCHoklch(33.6% 0.133 18.6)

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 #6B021A 12.73:1 AAA Lc -100.5 Preferred for body text
Black text on #6B021A 1.64:1 Fails Lc 0.0 Not readable
#6B021A text on white 12.73:1 AAA Lc 96.8 Preferred for body text
#6B021A text on black 1.64:1 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

    #FEF2F2

    oklch(97.1% 0.013 17.4)

  2. Step 100

    100

    #FDE3E2

    oklch(93.7% 0.029 20.3)

  3. Step 200

    200

    #FCCBCB

    oklch(88.5% 0.056 18.3)

  4. Step 300

    300

    #FAA6A8

    oklch(80.8% 0.1 17.9)

  5. Step 400

    400

    #F37279

    oklch(70.7% 0.159 18.7)

  6. Step 500

    500

    #EB4257

    oklch(63.1% 0.204 18.6)

  7. Step 600

    600

    #D6053D

    oklch(55.6% 0.221 18.5)

  8. Step 700

    700

    #B60032

    oklch(49.2% 0.197 18.4)

  9. Step 800

    800

    #960228

    oklch(42.7% 0.17 18.4)

  10. Step 900

    900 (this color)

    #6B021A

    oklch(33.6% 0.133 18.6)

  11. Step 950

    950

    #470F16

    oklch(27% 0.084 18)

Export this scale for Tailwind in the Tailwind colors tool

#6B021A 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)#28251A0.148
Deuteranopia (no green cones)#413A170.134
Tritanopia (no blue cones)#76000E0.029
Achromatopsia (no color)#3232320.134

Harmonies

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

Complementary

The opposite hue (180°).

  • #6B021A

    #6B021A

    oklch(33.6% 0.133 18.6)

  • #004042

    #004042

    oklch(33.7% 0.057 198.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6B021A

    #6B021A

    oklch(33.6% 0.133 18.6)

  • #630842

    #630842

    oklch(33.6% 0.132 348.5)

  • #5A2500

    #5A2500

    oklch(33.5% 0.09 49)

Open the analogous palette in the generator

Split complementary

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

  • #6B021A

    #6B021A

    oklch(33.6% 0.133 18.6)

  • #004230

    #004230

    oklch(33.7% 0.068 167.8)

  • #003D52

    #003D52

    oklch(33.7% 0.066 228.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6B021A

    #6B021A

    oklch(33.6% 0.133 18.6)

  • #144200

    #144200

    oklch(33.4% 0.104 138.6)

  • #003277

    #003277

    oklch(33.6% 0.128 258.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6B021A

    #6B021A

    oklch(33.6% 0.133 18.6)

  • #3A3900

    #3A3900

    oklch(33.5% 0.072 108.7)

  • #004042

    #004042

    oklch(33.7% 0.057 198.3)

  • #382375

    #382375

    oklch(33.5% 0.133 289)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6B021A, closest first.

Similar named colors

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

Use #6B021A 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.