#670A1B

Closest named color: Claret (#680018). oklch(33.2% 0.124 18.9), rgb(103, 10, 27).

Aa

White text reads best on this color (12.83:1).

About this color

#670A1B is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.124 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.009 away. White text reads best on it, at 12.83:1.

Hue familyReds
Lightnessdark (33%)
Chromamoderately saturated (0.124)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.63:1
White text12.83:1

Values

HEX#670A1B
RGBrgb(103, 10, 27)
HSLhsl(349, 82%, 22%)
OKLCHoklch(33.2% 0.124 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 #670A1B 12.83:1 AAA Lc -101.0 Preferred for body text
Black text on #670A1B 1.63:1 Fails Lc 0.0 Not readable
#670A1B text on white 12.83:1 AAA Lc 97.4 Preferred for body text
#670A1B text on black 1.63:1 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

    #F7A9A9

    oklch(81% 0.092 19.3)

  5. Step 400

    400

    #EE767C

    oklch(70.6% 0.148 18.5)

  6. Step 500

    500

    #E54B5A

    oklch(63.1% 0.189 19)

  7. Step 600

    600

    #D02140

    oklch(55.6% 0.205 19)

  8. Step 700

    700

    #B40C32

    oklch(49.1% 0.192 19)

  9. Step 800

    800

    #92132A

    oklch(42.7% 0.159 18.9)

  10. Step 900

    900 (this color)

    #670A1B

    oklch(33.2% 0.124 18.9)

  11. Step 950

    950

    #451217

    oklch(27% 0.078 18.5)

Export this scale for Tailwind in the Tailwind colors tool

#670A1B 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)#28261B0.138
Deuteranopia (no green cones)#3F39180.126
Tritanopia (no blue cones)#7200120.025
Achromatopsia (no color)#3232320.125

Harmonies

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

Complementary

The opposite hue (180°).

  • #670A1B

    #670A1B

    oklch(33.2% 0.124 18.9)

  • #003F41

    #003F41

    oklch(33.4% 0.057 198.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #670A1B

    #670A1B

    oklch(33.2% 0.124 18.9)

  • #600E40

    #600E40

    oklch(33.3% 0.124 349)

  • #592400

    #592400

    oklch(33.2% 0.09 48.5)

Open the analogous palette in the generator

Split complementary

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

  • #670A1B

    #670A1B

    oklch(33.2% 0.124 18.9)

  • #004130

    #004130

    oklch(33.3% 0.067 168.7)

  • #003C51

    #003C51

    oklch(33.3% 0.066 229.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #670A1B

    #670A1B

    oklch(33.2% 0.124 18.9)

  • #134200

    #134200

    oklch(33.4% 0.105 138.9)

  • #033274

    #033274

    oklch(33.4% 0.123 258.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #670A1B

    #670A1B

    oklch(33.2% 0.124 18.9)

  • #393800

    #393800

    oklch(33.1% 0.072 108.6)

  • #003F41

    #003F41

    oklch(33.4% 0.057 198.3)

  • #372570

    #372570

    oklch(33.3% 0.123 289)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #670A1B, closest first.

Similar named colors

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

Use #670A1B 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.