#66070B

Closest named color: Claret (#680018). oklch(32.6% 0.126 26.5), rgb(102, 7, 11).

Aa

White text reads best on this color (13.12:1).

About this color

#66070B is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.126 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.018 away. White text reads best on it, at 13.12:1.

Hue familyReds
Lightnessdark (33%)
Chromamoderately saturated (0.126)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.60:1
White text13.12:1

Values

HEX#66070B
RGBrgb(102, 7, 11)
HSLhsl(357, 87%, 21%)
OKLCHoklch(32.6% 0.126 26.5)

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 #66070B 13.12:1 AAA Lc -101.3 Preferred for body text
Black text on #66070B 1.60:1 Fails Lc 0.0 Not readable
#66070B text on white 13.12:1 AAA Lc 97.8 Preferred for body text
#66070B text on black 1.60:1 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

    #FCE3E0

    oklch(93.5% 0.028 25.9)

  3. Step 200

    200

    #FACDC7

    oklch(88.6% 0.052 27)

  4. Step 300

    300

    #F8A9A0

    oklch(80.9% 0.095 26.5)

  5. Step 400

    400

    #F0776D

    oklch(70.7% 0.151 26.4)

  6. Step 500

    500

    #E74B45

    oklch(63.1% 0.194 26.5)

  7. Step 600

    600

    #D22026

    oklch(55.5% 0.21 26.4)

  8. Step 700

    700

    #B60B18

    oklch(49.2% 0.195 26.5)

  9. Step 800

    800

    #931317

    oklch(42.6% 0.161 26.5)

  10. Step 900

    900 (this color)

    #66070B

    oklch(32.6% 0.126 26.5)

  11. Step 950

    950

    #461210

    oklch(27% 0.08 26.2)

Export this scale for Tailwind in the Tailwind colors tool

#66070B 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)#29230A0.137
Deuteranopia (no green cones)#3F37060.124
Tritanopia (no blue cones)#71000A0.024
Achromatopsia (no color)#3030300.127

Harmonies

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

Complementary

The opposite hue (180°).

  • #66070B

    #66070B

    oklch(32.6% 0.126 26.5)

  • #003C43

    #003C43

    oklch(32.6% 0.056 207.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #66070B

    #66070B

    oklch(32.6% 0.126 26.5)

  • #610736

    #610736

    oklch(32.6% 0.126 356.3)

  • #522700

    #522700

    oklch(32.5% 0.08 55.8)

Open the analogous palette in the generator

Split complementary

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

  • #66070B

    #66070B

    oklch(32.6% 0.126 26.5)

  • #003E33

    #003E33

    oklch(32.5% 0.061 176.2)

  • #003954

    #003954

    oklch(32.6% 0.071 236.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #66070B

    #66070B

    oklch(32.6% 0.126 26.5)

  • #004111

    #004111

    oklch(32.7% 0.098 146.5)

  • #172C73

    #172C73

    oklch(32.6% 0.125 266.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #66070B

    #66070B

    oklch(32.6% 0.126 26.5)

  • #323900

    #323900

    oklch(32.7% 0.075 117.1)

  • #003C43

    #003C43

    oklch(32.6% 0.056 207.7)

  • #3D1F6B

    #3D1F6B

    oklch(32.6% 0.125 297)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #66070B, closest first.

Similar named colors

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

Use #66070B 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.