#660C0F

Closest named color: Claret (#680018). oklch(33% 0.122 26), rgb(102, 12, 15).

Aa

White text reads best on this color (12.92:1).

About this color

#660C0F is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.122 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 12.92:1.

Hue familyReds
Lightnessdark (33%)
Chromamoderately saturated (0.122)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.62:1
White text12.92:1

Values

HEX#660C0F
RGBrgb(102, 12, 15)
HSLhsl(358, 79%, 22%)
OKLCHoklch(33% 0.122 26)

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 #660C0F 12.92:1 AAA Lc -101.2 Preferred for body text
Black text on #660C0F 1.62:1 Fails Lc 0.0 Not readable
#660C0F text on white 12.92:1 AAA Lc 97.7 Preferred for body text
#660C0F text on black 1.62:1 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

    #FEF3F1

    oklch(97.2% 0.012 29.9)

  2. Step 100

    100

    #FBE4E1

    oklch(93.7% 0.026 26.5)

  3. Step 200

    200

    #F9CDC8

    oklch(88.5% 0.05 25.7)

  4. Step 300

    300

    #F6AAA2

    oklch(80.9% 0.091 25.9)

  5. Step 400

    400

    #EE786F

    oklch(70.6% 0.147 25.9)

  6. Step 500

    500

    #E54E49

    oklch(63.1% 0.188 25.9)

  7. Step 600

    600

    #D0262B

    oklch(55.6% 0.204 25.9)

  8. Step 700

    700

    #B4141E

    oklch(49.2% 0.19 25.9)

  9. Step 800

    800

    #92171B

    oklch(42.7% 0.157 25.8)

  10. Step 900

    900 (this color)

    #660C0F

    oklch(33% 0.122 26)

  11. Step 950

    950

    #451311

    oklch(27% 0.077 26)

Export this scale for Tailwind in the Tailwind colors tool

#660C0F 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)#2A250E0.133
Deuteranopia (no green cones)#40380B0.120
Tritanopia (no blue cones)#71000F0.024
Achromatopsia (no color)#3131310.123

Harmonies

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

Complementary

The opposite hue (180°).

  • #660C0F

    #660C0F

    oklch(33% 0.122 26)

  • #003D43

    #003D43

    oklch(32.9% 0.056 205.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #660C0F

    #660C0F

    oklch(33% 0.122 26)

  • #610C37

    #610C37

    oklch(33% 0.122 356.2)

  • #542800

    #542800

    oklch(33.1% 0.081 55.7)

Open the analogous palette in the generator

Split complementary

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

  • #660C0F

    #660C0F

    oklch(33% 0.122 26)

  • #003F34

    #003F34

    oklch(32.9% 0.061 176.4)

  • #003A55

    #003A55

    oklch(33% 0.072 236.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #660C0F

    #660C0F

    oklch(33% 0.122 26)

  • #00420F

    #00420F

    oklch(33% 0.101 145.8)

  • #172E73

    #172E73

    oklch(33% 0.122 265.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #660C0F

    #660C0F

    oklch(33% 0.122 26)

  • #343A00

    #343A00

    oklch(33.1% 0.076 116)

  • #003D43

    #003D43

    oklch(32.9% 0.056 205.7)

  • #3D216B

    #3D216B

    oklch(32.9% 0.122 296.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #660C0F, closest first.

Similar named colors

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

Use #660C0F 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.