#220307

Closest named color: Very Dark Brown (#1D0200). oklch(16.8% 0.056 15.5), rgb(34, 3, 7).

Aa

White text reads best on this color (19.37:1).

About this color

#220307 is a very dark, muted red. In OKLCH its lightness is 17%, its chroma 0.056 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.025 away. White text reads best on it, at 19.37:1.

Hue familyReds
Lightnessvery dark (17%)
Chromamuted (0.056)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.08:1
White text19.37:1

Values

HEX#220307
RGBrgb(34, 3, 7)
HSLhsl(352, 84%, 7%)
OKLCHoklch(16.8% 0.056 15.5)

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 #220307 19.37:1 AAA Lc -107.3 Preferred for body text
Black text on #220307 1.08:1 Fails Lc 0.0 Not readable
#220307 text on white 19.37:1 AAA Lc 105.3 Preferred for body text
#220307 text on black 1.08:1 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

    #FBF3F3

    oklch(97% 0.009 17.3)

  2. Step 100

    100

    #F6E5E6

    oklch(93.6% 0.019 13.4)

  3. Step 200

    200

    #F1D0D1

    oklch(88.6% 0.037 15.8)

  4. Step 300

    300

    #E8B0B2

    oklch(80.9% 0.066 16.2)

  5. Step 400

    400

    #DA848B

    oklch(70.6% 0.106 14.9)

  6. Step 500

    500

    #CE636E

    oklch(63.1% 0.136 15.4)

  7. Step 600

    600

    #B94756

    oklch(55.5% 0.147 15.4)

  8. Step 700

    700

    #9F3846

    oklch(49.1% 0.137 15.7)

  9. Step 800

    800

    #812F3A

    oklch(42.6% 0.113 15.3)

  10. Step 900

    900

    #682B32

    oklch(37.7% 0.088 15.2)

  11. Step 950

    950 (this color)

    #220307

    oklch(16.8% 0.056 15.5)

Export this scale for Tailwind in the Tailwind colors tool

#220307 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)#0A09070.061
Deuteranopia (no green cones)#1210060.057
Tritanopia (no blue cones)#2600040.013
Achromatopsia (no color)#0D0D0D0.057

Harmonies

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

Complementary

The opposite hue (180°).

  • #220307

    #220307

    oklch(16.8% 0.056 15.5)

  • #001313

    #001313

    oklch(16.9% 0.029 194.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #220307

    #220307

    oklch(16.8% 0.056 15.5)

  • #1F0414

    #1F0414

    oklch(17% 0.055 346.6)

  • #1F0700

    #1F0700

    oklch(16.9% 0.047 46)

Open the analogous palette in the generator

Split complementary

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

  • #220307

    #220307

    oklch(16.8% 0.056 15.5)

  • #00140B

    #00140B

    oklch(16.9% 0.036 164.2)

  • #00121A

    #00121A

    oklch(17% 0.032 225.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #220307

    #220307

    oklch(16.8% 0.056 15.5)

  • #051300

    #051300

    oklch(16.7% 0.049 135.3)

  • #000E26

    #000E26

    oklch(16.7% 0.056 255.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #220307

    #220307

    oklch(16.8% 0.056 15.5)

  • #111000

    #111000

    oklch(16.9% 0.036 107.1)

  • #001313

    #001313

    oklch(16.9% 0.029 194.8)

  • #0E0A26

    #0E0A26

    oklch(17% 0.056 285.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #220307, closest first.

Similar named colors

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

Use #220307 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.