#66121E

Closest named color: Claret (#680018). oklch(33.7% 0.116 18.9), rgb(102, 18, 30).

Aa

White text reads best on this color (12.57:1).

About this color

#66121E is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.116 and its hue 19°. 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 12.57:1.

Hue familyReds
Lightnessdark (34%)
Chromamoderately saturated (0.116)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.67:1
White text12.57:1

Values

HEX#66121E
RGBrgb(102, 18, 30)
HSLhsl(351, 70%, 24%)
OKLCHoklch(33.7% 0.116 18.9)

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 #66121E 12.57:1 AAA Lc -100.9 Preferred for body text
Black text on #66121E 1.67:1 Fails Lc 0.0 Not readable
#66121E text on white 12.57:1 AAA Lc 97.3 Preferred for body text
#66121E text on black 1.67:1 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

    #FDF3F2

    oklch(97.2% 0.011 24.3)

  2. Step 100

    100

    #FAE4E3

    oklch(93.6% 0.024 20.7)

  3. Step 200

    200

    #F8CDCD

    oklch(88.5% 0.049 18.1)

  4. Step 300

    300

    #F4AAAA

    oklch(80.9% 0.088 19.1)

  5. Step 400

    400

    #EA7A7E

    oklch(70.7% 0.138 19)

  6. Step 500

    500

    #E0515D

    oklch(63% 0.178 19)

  7. Step 600

    600

    #CC2C44

    oklch(55.6% 0.194 18.7)

  8. Step 700

    700

    #B01C36

    oklch(49.2% 0.18 18.7)

  9. Step 800

    800

    #8F1C2D

    oklch(42.8% 0.149 18.8)

  10. Step 900

    900 (this color)

    #66121E

    oklch(33.7% 0.116 18.9)

  11. Step 950

    950

    #441418

    oklch(27.1% 0.074 18.7)

Export this scale for Tailwind in the Tailwind colors tool

#66121E 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)#2B281E0.128
Deuteranopia (no green cones)#403A1B0.118
Tritanopia (no blue cones)#7100170.026
Achromatopsia (no color)#3333330.117

Harmonies

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

Complementary

The opposite hue (180°).

  • #66121E

    #66121E

    oklch(33.7% 0.116 18.9)

  • #004042

    #004042

    oklch(33.7% 0.057 198.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #66121E

    #66121E

    oklch(33.7% 0.116 18.9)

  • #5F1441

    #5F1441

    oklch(33.7% 0.117 348.5)

  • #5B2500

    #5B2500

    oklch(33.7% 0.091 48.5)

Open the analogous palette in the generator

Split complementary

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

  • #66121E

    #66121E

    oklch(33.7% 0.116 18.9)

  • #004231

    #004231

    oklch(33.7% 0.067 169)

  • #003D52

    #003D52

    oklch(33.7% 0.066 228.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #66121E

    #66121E

    oklch(33.7% 0.116 18.9)

  • #144300

    #144300

    oklch(33.7% 0.106 138.7)

  • #093472

    #093472

    oklch(33.8% 0.116 258.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #66121E

    #66121E

    oklch(33.7% 0.116 18.9)

  • #3A3A00

    #3A3A00

    oklch(33.7% 0.074 109.8)

  • #004042

    #004042

    oklch(33.7% 0.057 198.3)

  • #37286E

    #37286E

    oklch(33.7% 0.116 288.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #66121E, closest first.

Similar named colors

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

Use #66121E 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.