#220904

Closest named color: Very Dark Brown (#1D0200). oklch(18.1% 0.045 35.8), rgb(34, 9, 4).

Aa

White text reads best on this color (18.93:1).

About this color

#220904 is a very dark, muted red. In OKLCH its lightness is 18%, its chroma 0.045 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.031 away. White text reads best on it, at 18.93:1.

Hue familyReds
Lightnessvery dark (18%)
Chromamuted (0.045)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.10:1
White text18.93:1

Values

HEX#220904
RGBrgb(34, 9, 4)
HSLhsl(10, 79%, 7%)
OKLCHoklch(18.1% 0.045 35.8)

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 #220904 18.93:1 AAA Lc -107.2 Preferred for body text
Black text on #220904 1.10:1 Fails Lc 0.0 Not readable
#220904 text on white 18.93:1 AAA Lc 105.2 Preferred for body text
#220904 text on black 1.10:1 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 950.

  1. Step 50

    50

    #FAF4F2

    oklch(97.1% 0.007 39.5)

  2. Step 100

    100

    #F4E6E3

    oklch(93.5% 0.016 32)

  3. Step 200

    200

    #ECD3CC

    oklch(88.6% 0.03 36.2)

  4. Step 300

    300

    #E1B5A9

    oklch(80.9% 0.054 35.7)

  5. Step 400

    400

    #D08E7C

    oklch(70.8% 0.085 35.9)

  6. Step 500

    500

    #C2705A

    oklch(63.1% 0.109 35.9)

  7. Step 600

    600

    #AD5740

    oklch(55.6% 0.118 36)

  8. Step 700

    700

    #954632

    oklch(49.1% 0.111 35.3)

  9. Step 800

    800

    #793A2A

    oklch(42.7% 0.092 35.3)

  10. Step 900

    900

    #623326

    oklch(37.8% 0.071 36.4)

  11. Step 950

    950 (this color)

    #220904

    oklch(18.1% 0.045 35.8)

Export this scale for Tailwind in the Tailwind colors tool

#220904 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)#100D040.044
Deuteranopia (no green cones)#1613040.042
Tritanopia (no blue cones)#2605080.019
Achromatopsia (no color)#1111110.045

Harmonies

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

Complementary

The opposite hue (180°).

  • #220904

    #220904

    oklch(18.1% 0.045 35.8)

  • #00151B

    #00151B

    oklch(18.1% 0.032 217.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #220904

    #220904

    oklch(18.1% 0.045 35.8)

  • #22080F

    #22080F

    oklch(18.2% 0.046 5.8)

  • #1E0D00

    #1E0D00

    oklch(18.1% 0.041 63.6)

Open the analogous palette in the generator

Split complementary

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

  • #220904

    #220904

    oklch(18.1% 0.045 35.8)

  • #001614

    #001614

    oklch(18% 0.031 187.3)

  • #001324

    #001324

    oklch(18% 0.045 244.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #220904

    #220904

    oklch(18.1% 0.045 35.8)

  • #001709

    #001709

    oklch(18% 0.044 156)

  • #0D0F25

    #0D0F25

    oklch(18% 0.045 277)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #220904

    #220904

    oklch(18.1% 0.045 35.8)

  • #0D1500

    #0D1500

    oklch(18.1% 0.046 125.4)

  • #00151B

    #00151B

    oklch(18.1% 0.032 217.3)

  • #170C21

    #170C21

    oklch(18.2% 0.044 306.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #220904, closest first.

Similar named colors

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

Use #220904 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.