#66212D

Closest named color: Claret (#680018). oklch(35.7% 0.099 13.3), rgb(102, 33, 45).

Aa

White text reads best on this color (11.53:1).

About this color

#66212D is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.099 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.045 away. White text reads best on it, at 11.53:1.

Hue familyReds
Lightnessdark (36%)
Chromamoderately saturated (0.099)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.82:1
White text11.53:1

Values

HEX#66212D
RGBrgb(102, 33, 45)
HSLhsl(350, 51%, 26%)
OKLCHoklch(35.7% 0.099 13.3)

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 #66212D 11.53:1 AAA Lc -99.6 Preferred for body text
Black text on #66212D 1.82:1 Fails Lc 8.0 Not readable
#66212D text on white 11.53:1 AAA Lc 95.9 Preferred for body text
#66212D text on black 1.82:1 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

    #FCF3F3

    oklch(97.1% 0.01 17.3)

  2. Step 100

    100

    #F8E4E6

    oklch(93.5% 0.022 10.6)

  3. Step 200

    200

    #F3CFD1

    oklch(88.6% 0.041 14.2)

  4. Step 300

    300

    #EDADB3

    oklch(80.9% 0.075 12.7)

  5. Step 400

    400

    #E0808B

    oklch(70.7% 0.119 13.2)

  6. Step 500

    500

    #D55C6E

    oklch(63.1% 0.153 13.4)

  7. Step 600

    600

    #C03E57

    oklch(55.6% 0.166 13.1)

  8. Step 700

    700

    #A52F47

    oklch(49.1% 0.154 13.2)

  9. Step 800

    800

    #86293A

    oklch(42.7% 0.127 13.6)

  10. Step 900

    900 (this color)

    #66212D

    oklch(35.7% 0.099 13.3)

  11. Step 950

    950

    #40171D

    oklch(27% 0.064 13.4)

Export this scale for Tailwind in the Tailwind colors tool

#66212D 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)#31302D0.109
Deuteranopia (no green cones)#433E2B0.100
Tritanopia (no blue cones)#7015260.026
Achromatopsia (no color)#3939390.100

Harmonies

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

Complementary

The opposite hue (180°).

  • #66212D

    #66212D

    oklch(35.7% 0.099 13.3)

  • #004645

    #004645

    oklch(35.6% 0.061 193.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #66212D

    #66212D

    oklch(35.7% 0.099 13.3)

  • #5E234A

    #5E234A

    oklch(35.7% 0.1 342.9)

  • #652606

    #652606

    oklch(35.7% 0.1 43)

Open the analogous palette in the generator

Split complementary

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

  • #66212D

    #66212D

    oklch(35.7% 0.099 13.3)

  • #004931

    #004931

    oklch(35.9% 0.077 163.3)

  • #004456

    #004456

    oklch(35.9% 0.067 222.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #66212D

    #66212D

    oklch(35.7% 0.099 13.3)

  • #264702

    #264702

    oklch(35.8% 0.1 133.2)

  • #0D3D6E

    #0D3D6E

    oklch(35.8% 0.098 253)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #66212D

    #66212D

    oklch(35.7% 0.099 13.3)

  • #443E00

    #443E00

    oklch(35.9% 0.076 103.4)

  • #004645

    #004645

    oklch(35.6% 0.061 193.1)

  • #37336E

    #37336E

    oklch(35.8% 0.099 283.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #66212D, closest first.

Similar named colors

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

Use #66212D 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.