#671A20

Closest named color: Reddy Brown (#6E1005). oklch(34.7% 0.109 20.7), rgb(103, 26, 32).

Aa

White text reads best on this color (12.03:1).

About this color

#671A20 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.109 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.029 away. White text reads best on it, at 12.03:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.109)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.74:1
White text12.03:1

Values

HEX#671A20
RGBrgb(103, 26, 32)
HSLhsl(355, 60%, 25%)
OKLCHoklch(34.7% 0.109 20.7)

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 #671A20 12.03:1 AAA Lc -100.2 Preferred for body text
Black text on #671A20 1.74:1 Fails Lc 7.3 Not readable
#671A20 text on white 12.03:1 AAA Lc 96.6 Preferred for body text
#671A20 text on black 1.74:1 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

    #F6CECC

    oklch(88.5% 0.045 21.4)

  4. Step 300

    300

    #F1ACAA

    oklch(80.9% 0.082 20.9)

  5. Step 400

    400

    #E77D7D

    oklch(70.8% 0.131 20.9)

  6. Step 500

    500

    #DC575C

    oklch(63.1% 0.167 21)

  7. Step 600

    600

    #C73643

    oklch(55.6% 0.181 20.7)

  8. Step 700

    700

    #AC2634

    oklch(49.1% 0.169 20.9)

  9. Step 800

    800

    #8C222C

    oklch(42.8% 0.141 20.6)

  10. Step 900

    900 (this color)

    #671A20

    oklch(34.7% 0.109 20.7)

  11. Step 950

    950

    #421617

    oklch(27% 0.069 21.5)

Export this scale for Tailwind in the Tailwind colors tool

#671A20 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)#2F2C200.119
Deuteranopia (no green cones)#433C1E0.108
Tritanopia (no blue cones)#72041D0.029
Achromatopsia (no color)#3636360.110

Harmonies

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

Complementary

The opposite hue (180°).

  • #671A20

    #671A20

    oklch(34.7% 0.109 20.7)

  • #004346

    #004346

    oklch(34.8% 0.059 199.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #671A20

    #671A20

    oklch(34.7% 0.109 20.7)

  • #611B41

    #611B41

    oklch(34.8% 0.109 350.8)

  • #5D2900

    #5D2900

    oklch(34.7% 0.09 51.5)

Open the analogous palette in the generator

Split complementary

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

  • #671A20

    #671A20

    oklch(34.7% 0.109 20.7)

  • #004535

    #004535

    oklch(34.8% 0.068 170.9)

  • #004057

    #004057

    oklch(34.8% 0.069 230.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #671A20

    #671A20

    oklch(34.7% 0.109 20.7)

  • #104704

    #104704

    oklch(34.9% 0.11 140.7)

  • #153771

    #153771

    oklch(34.8% 0.108 260.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #671A20

    #671A20

    oklch(34.7% 0.109 20.7)

  • #3C3D00

    #3C3D00

    oklch(34.7% 0.076 110.8)

  • #004346

    #004346

    oklch(34.8% 0.059 199.9)

  • #3C2C6D

    #3C2C6D

    oklch(34.8% 0.108 291.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #671A20, closest first.

Similar named colors

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

Use #671A20 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.