#660419

Closest named color: Claret (#680018). oklch(32.6% 0.127 18.6), rgb(102, 4, 25).

Aa

White text reads best on this color (13.15:1).

About this color

#660419 is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.127 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.005 away. White text reads best on it, at 13.15:1.

Hue familyReds
Lightnessdark (33%)
Chromamoderately saturated (0.127)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.59:1
White text13.15:1

Values

HEX#660419
RGBrgb(102, 4, 25)
HSLhsl(347, 92%, 21%)
OKLCHoklch(32.6% 0.127 18.6)

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 #660419 13.15:1 AAA Lc -101.2 Preferred for body text
Black text on #660419 1.59:1 Fails Lc 0.0 Not readable
#660419 text on white 13.15:1 AAA Lc 97.7 Preferred for body text
#660419 text on black 1.59:1 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

    #FEF2F2

    oklch(97.1% 0.013 17.4)

  2. Step 100

    100

    #FCE3E3

    oklch(93.6% 0.028 17.7)

  3. Step 200

    200

    #FACCCC

    oklch(88.5% 0.052 18.2)

  4. Step 300

    300

    #F8A8A9

    oklch(80.9% 0.095 18.5)

  5. Step 400

    400

    #F0757B

    oklch(70.7% 0.152 18.7)

  6. Step 500

    500

    #E7485A

    oklch(63.1% 0.195 18.4)

  7. Step 600

    600

    #D21A3F

    oklch(55.5% 0.211 18.8)

  8. Step 700

    700

    #B60131

    oklch(49.2% 0.197 18.9)

  9. Step 800

    800

    #930E2A

    oklch(42.6% 0.162 18.4)

  10. Step 900

    900 (this color)

    #660419

    oklch(32.6% 0.127 18.6)

  11. Step 950

    950

    #461116

    oklch(27% 0.081 19.1)

Export this scale for Tailwind in the Tailwind colors tool

#660419 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)#2623190.142
Deuteranopia (no green cones)#3E37160.127
Tritanopia (no blue cones)#71000E0.028
Achromatopsia (no color)#3030300.128

Harmonies

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

Complementary

The opposite hue (180°).

  • #660419

    #660419

    oklch(32.6% 0.127 18.6)

  • #003D3F

    #003D3F

    oklch(32.7% 0.056 198.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #660419

    #660419

    oklch(32.6% 0.127 18.6)

  • #5E093F

    #5E093F

    oklch(32.5% 0.127 348.2)

  • #572300

    #572300

    oklch(32.7% 0.088 48.4)

Open the analogous palette in the generator

Split complementary

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

  • #660419

    #660419

    oklch(32.6% 0.127 18.6)

  • #003F2E

    #003F2E

    oklch(32.7% 0.066 168.2)

  • #003A4E

    #003A4E

    oklch(32.6% 0.064 228.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #660419

    #660419

    oklch(32.6% 0.127 18.6)

  • #134000

    #134000

    oklch(32.7% 0.102 138.7)

  • #003072

    #003072

    oklch(32.6% 0.124 258.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #660419

    #660419

    oklch(32.6% 0.127 18.6)

  • #383700

    #383700

    oklch(32.7% 0.071 108.6)

  • #003D3F

    #003D3F

    oklch(32.7% 0.056 198.4)

  • #352270

    #352270

    oklch(32.6% 0.127 288.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #660419, closest first.

Similar named colors

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

Use #660419 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.