#670F04

Closest named color: Reddy Brown (#6E1005). oklch(33.3% 0.123 31.2), rgb(103, 15, 4).

Aa

White text reads best on this color (12.75:1).

About this color

#670F04 is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.123 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.017 away. White text reads best on it, at 12.75:1.

Hue familyReds
Lightnessdark (33%)
Chromamoderately saturated (0.123)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.64:1
White text12.75:1

Values

HEX#670F04
RGBrgb(103, 15, 4)
HSLhsl(7, 93%, 21%)
OKLCHoklch(33.3% 0.123 31.2)

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 #670F04 12.75:1 AAA Lc -100.9 Preferred for body text
Black text on #670F04 1.64:1 Fails Lc 0.0 Not readable
#670F04 text on white 12.75:1 AAA Lc 97.4 Preferred for body text
#670F04 text on black 1.64:1 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

    #FEF3F0

    oklch(97.2% 0.013 35.7)

  2. Step 100

    100

    #FBE4DF

    oklch(93.6% 0.026 32.2)

  3. Step 200

    200

    #F9CDC5

    oklch(88.4% 0.051 30.1)

  4. Step 300

    300

    #F6AB9C

    oklch(80.9% 0.092 31.7)

  5. Step 400

    400

    #EE7A66

    oklch(70.8% 0.147 31.2)

  6. Step 500

    500

    #E4503A

    oklch(63% 0.188 31.2)

  7. Step 600

    600

    #D02912

    oklch(55.6% 0.205 31.1)

  8. Step 700

    700

    #B31800

    oklch(49% 0.189 31.3)

  9. Step 800

    800

    #921908

    oklch(42.7% 0.158 31.2)

  10. Step 900

    900 (this color)

    #670F04

    oklch(33.3% 0.123 31.2)

  11. Step 950

    950

    #45140C

    oklch(27% 0.077 31.7)

Export this scale for Tailwind in the Tailwind colors tool

#670F04 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)#2C26020.132
Deuteranopia (no green cones)#4139000.118
Tritanopia (no blue cones)#72000E0.028
Achromatopsia (no color)#3232320.124

Harmonies

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

Complementary

The opposite hue (180°).

  • #670F04

    #670F04

    oklch(33.3% 0.123 31.2)

  • #003E47

    #003E47

    oklch(33.4% 0.058 210.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #670F04

    #670F04

    oklch(33.3% 0.123 31.2)

  • #640C32

    #640C32

    oklch(33.4% 0.123 1.4)

  • #522B00

    #522B00

    oklch(33.3% 0.077 61)

Open the analogous palette in the generator

Split complementary

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

  • #670F04

    #670F04

    oklch(33.3% 0.123 31.2)

  • #004038

    #004038

    oklch(33.3% 0.06 181.2)

  • #003A5A

    #003A5A

    oklch(33.3% 0.078 241)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #670F04

    #670F04

    oklch(33.3% 0.123 31.2)

  • #00421D

    #00421D

    oklch(33.2% 0.088 151.6)

  • #212D74

    #212D74

    oklch(33.4% 0.122 270.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #670F04

    #670F04

    oklch(33.3% 0.123 31.2)

  • #303C00

    #303C00

    oklch(33.3% 0.08 121.4)

  • #003E47

    #003E47

    oklch(33.4% 0.058 210.8)

  • #42206A

    #42206A

    oklch(33.3% 0.123 301)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #670F04, closest first.

Similar named colors

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

Use #670F04 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.