#66254B

Closest named color: Grape Purple (#5D1451). oklch(37.3% 0.104 347.2), rgb(102, 37, 75).

Aa

White text reads best on this color (10.87:1).

About this color

#66254B is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.104 and its hue 347°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.046 away. White text reads best on it, at 10.87:1.

Hue familyReds
Lightnessdark (37%)
Chromamoderately saturated (0.104)
Temperaturewarm
Nearest nameGrape Purple (#5D1451)
Black text1.93:1
White text10.87:1

Values

HEX#66254B
RGBrgb(102, 37, 75)
HSLhsl(325, 47%, 27%)
OKLCHoklch(37.3% 0.104 347.2)

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 #66254B 10.87:1 AAA Lc -98.6 Preferred for body text
Black text on #66254B 1.93:1 Fails Lc 9.3 Not readable
#66254B text on white 10.87:1 AAA Lc 94.6 Preferred for body text
#66254B text on black 1.93:1 Fails Lc -8.0 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

    #FBF3F7

    oklch(97.1% 0.01 345.4)

  2. Step 100

    100

    #F6E4ED

    oklch(93.6% 0.023 345.8)

  3. Step 200

    200

    #F0CEDF

    oklch(88.5% 0.044 346.4)

  4. Step 300

    300

    #E7ADCA

    oklch(81% 0.077 347.5)

  5. Step 400

    400

    #D97FAF

    oklch(70.7% 0.125 347.6)

  6. Step 500

    500

    #CC5B9C

    oklch(63.1% 0.161 347.1)

  7. Step 600

    600

    #B73D86

    oklch(55.6% 0.174 347.4)

  8. Step 700

    700

    #9D2E72

    oklch(49.1% 0.162 347)

  9. Step 800

    800

    #80285D

    oklch(42.8% 0.134 347.1)

  10. Step 900

    900 (this color)

    #66254B

    oklch(37.3% 0.104 347.2)

  11. Step 950

    950

    #3D172C

    oklch(27% 0.066 348.1)

Export this scale for Tailwind in the Tailwind colors tool

#66254B 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)#2C364C0.114
Deuteranopia (no green cones)#3E41490.102
Tritanopia (no blue cones)#6D23340.041
Achromatopsia (no color)#3D3D3D0.105

Harmonies

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

Complementary

The opposite hue (180°).

  • #66254B

    #66254B

    oklch(37.3% 0.104 347.2)

  • #004D38

    #004D38

    oklch(37.3% 0.076 167.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #66254B

    #66254B

    oklch(37.3% 0.104 347.2)

  • #562C64

    #562C64

    oklch(37.3% 0.103 317.1)

  • #6D242C

    #6D242C

    oklch(37.4% 0.104 17.3)

Open the analogous palette in the generator

Split complementary

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

  • #66254B

    #66254B

    oklch(37.3% 0.104 347.2)

  • #224C0B

    #224C0B

    oklch(37.2% 0.103 137.2)

  • #004B4C

    #004B4C

    oklch(37.4% 0.064 196.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #66254B

    #66254B

    oklch(37.3% 0.104 347.2)

  • #464300

    #464300

    oklch(37.4% 0.08 106.8)

  • #00485E

    #00485E

    oklch(37.4% 0.072 226.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #66254B

    #66254B

    oklch(37.3% 0.104 347.2)

  • #573A00

    #573A00

    oklch(37.3% 0.078 77.3)

  • #004D38

    #004D38

    oklch(37.3% 0.076 167.2)

  • #174077

    #174077

    oklch(37.5% 0.105 257)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #66254B, closest first.

Similar named colors

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

Use #66254B 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.