#660E27

Closest named color: Claret (#680018). oklch(33.6% 0.12 11.1), rgb(102, 14, 39).

Aa

White text reads best on this color (12.67:1).

About this color

#660E27 is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.120 and its hue 11°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.022 away. White text reads best on it, at 12.67:1.

Hue familyReds
Lightnessdark (34%)
Chromamoderately saturated (0.120)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.65:1
White text12.67:1

Values

HEX#660E27
RGBrgb(102, 14, 39)
HSLhsl(343, 76%, 23%)
OKLCHoklch(33.6% 0.12 11.1)

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 #660E27 12.67:1 AAA Lc -100.9 Preferred for body text
Black text on #660E27 1.65:1 Fails Lc 0.0 Not readable
#660E27 text on white 12.67:1 AAA Lc 97.4 Preferred for body text
#660E27 text on black 1.65:1 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

    #FDF2F3

    oklch(97% 0.012 11)

  2. Step 100

    100

    #FBE3E5

    oklch(93.6% 0.026 11.9)

  3. Step 200

    200

    #F8CCD1

    oklch(88.4% 0.05 10.5)

  4. Step 300

    300

    #F5A9B2

    oklch(81% 0.09 11.5)

  5. Step 400

    400

    #EB778A

    oklch(70.7% 0.144 11.1)

  6. Step 500

    500

    #E14D6D

    oklch(63.1% 0.184 11.2)

  7. Step 600

    600

    #CC2555

    oklch(55.5% 0.2 11.1)

  8. Step 700

    700

    #B01346

    oklch(49% 0.186 10.9)

  9. Step 800

    800

    #8F1739

    oklch(42.7% 0.154 11.3)

  10. Step 900

    900 (this color)

    #660E27

    oklch(33.6% 0.12 11.1)

  11. Step 950

    950

    #44131D

    oklch(27.1% 0.076 11.4)

Export this scale for Tailwind in the Tailwind colors tool

#660E27 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)#2727270.136
Deuteranopia (no green cones)#3E39250.122
Tritanopia (no blue cones)#7000190.028
Achromatopsia (no color)#3333330.121

Harmonies

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

Complementary

The opposite hue (180°).

  • #660E27

    #660E27

    oklch(33.6% 0.12 11.1)

  • #00403E

    #00403E

    oklch(33.6% 0.058 191.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #660E27

    #660E27

    oklch(33.6% 0.12 11.1)

  • #5C1449

    #5C1449

    oklch(33.5% 0.12 340.6)

  • #601E00

    #601E00

    oklch(33.5% 0.103 41)

Open the analogous palette in the generator

Split complementary

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

  • #660E27

    #660E27

    oklch(33.6% 0.12 11.1)

  • #00422A

    #00422A

    oklch(33.5% 0.074 161.3)

  • #003E4D

    #003E4D

    oklch(33.7% 0.061 220.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #660E27

    #660E27

    oklch(33.6% 0.12 11.1)

  • #254000

    #254000

    oklch(33.7% 0.092 131.2)

  • #003867

    #003867

    oklch(33.7% 0.098 250.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #660E27

    #660E27

    oklch(33.6% 0.12 11.1)

  • #3F3700

    #3F3700

    oklch(33.5% 0.07 100.3)

  • #00403E

    #00403E

    oklch(33.6% 0.058 191.3)

  • #2F2A72

    #2F2A72

    oklch(33.6% 0.12 280.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #660E27, closest first.

Similar named colors

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

Use #660E27 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.