#6A1521

Closest named color: Claret (#680018). oklch(34.8% 0.118 18.5), rgb(106, 21, 33).

Aa

White text reads best on this color (12.05:1).

About this color

#6A1521 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.118 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.025 away. White text reads best on it, at 12.05:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.118)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.74:1
White text12.05:1

Values

HEX#6A1521
RGBrgb(106, 21, 33)
HSLhsl(352, 67%, 25%)
OKLCHoklch(34.8% 0.118 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 #6A1521 12.05:1 AAA Lc -100.1 Preferred for body text
Black text on #6A1521 1.74:1 Fails Lc 7.5 Not readable
#6A1521 text on white 12.05:1 AAA Lc 96.4 Preferred for body text
#6A1521 text on black 1.74:1 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

    #FBE4E3

    oklch(93.7% 0.025 20.6)

  3. Step 200

    200

    #F8CDCD

    oklch(88.5% 0.049 18.1)

  4. Step 300

    300

    #F4AAAB

    oklch(80.9% 0.088 18.3)

  5. Step 400

    400

    #EB797E

    oklch(70.7% 0.141 18.6)

  6. Step 500

    500

    #E1505E

    oklch(63.1% 0.18 18.4)

  7. Step 600

    600

    #CD2A44

    oklch(55.7% 0.197 18.5)

  8. Step 700

    700

    #B01936

    oklch(49% 0.182 18.3)

  9. Step 800

    800

    #8F1A2D

    oklch(42.6% 0.151 18.4)

  10. Step 900

    900 (this color)

    #6A1521

    oklch(34.8% 0.118 18.5)

  11. Step 950

    950

    #441418

    oklch(27.1% 0.074 18.7)

Export this scale for Tailwind in the Tailwind colors tool

#6A1521 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)#2D2B210.130
Deuteranopia (no green cones)#433D1F0.119
Tritanopia (no blue cones)#75001A0.027
Achromatopsia (no color)#3636360.119

Harmonies

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

Complementary

The opposite hue (180°).

  • #6A1521

    #6A1521

    oklch(34.8% 0.118 18.5)

  • #004345

    #004345

    oklch(34.8% 0.059 198.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6A1521

    #6A1521

    oklch(34.8% 0.118 18.5)

  • #631744

    #631744

    oklch(34.8% 0.118 348.7)

  • #5F2700

    #5F2700

    oklch(34.7% 0.094 48.6)

Open the analogous palette in the generator

Split complementary

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

  • #6A1521

    #6A1521

    oklch(34.8% 0.118 18.5)

  • #004533

    #004533

    oklch(34.7% 0.07 168.5)

  • #004056

    #004056

    oklch(34.7% 0.068 229)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6A1521

    #6A1521

    oklch(34.8% 0.118 18.5)

  • #164600

    #164600

    oklch(34.7% 0.109 138.5)

  • #0A3776

    #0A3776

    oklch(34.9% 0.118 258.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6A1521

    #6A1521

    oklch(34.8% 0.118 18.5)

  • #3E3D00

    #3E3D00

    oklch(35% 0.076 108.7)

  • #004345

    #004345

    oklch(34.8% 0.059 198.2)

  • #3A2B72

    #3A2B72

    oklch(34.8% 0.117 288.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6A1521, closest first.

Similar named colors

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

Use #6A1521 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.