#300B18

Closest named color: Dark Maroon (#3C0008). oklch(21.9% 0.062 2), rgb(48, 11, 24).

Aa

White text reads best on this color (17.69:1).

About this color

#300B18 is a very dark, muted red. In OKLCH its lightness is 22%, its chroma 0.062 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.038 away. White text reads best on it, at 17.69:1.

Hue familyReds
Lightnessvery dark (22%)
Chromamuted (0.062)
Temperaturewarm
Nearest nameDark Maroon (#3C0008)
Black text1.18:1
White text17.69:1

Values

HEX#300B18
RGBrgb(48, 11, 24)
HSLhsl(339, 63%, 12%)
OKLCHoklch(21.9% 0.062 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 #300B18 17.69:1 AAA Lc -106.5 Preferred for body text
Black text on #300B18 1.18:1 Fails Lc 0.0 Not readable
#300B18 text on white 17.69:1 AAA Lc 104.1 Preferred for body text
#300B18 text on black 1.18:1 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

    #FCF3F5

    oklch(97.2% 0.01 2)

  2. Step 100

    100

    #F7E4E9

    oklch(93.5% 0.022 359.7)

  3. Step 200

    200

    #F2CFD7

    oklch(88.6% 0.041 2.5)

  4. Step 300

    300

    #EAADBD

    oklch(80.9% 0.074 1.6)

  5. Step 400

    400

    #DC809B

    oklch(70.6% 0.117 1.7)

  6. Step 500

    500

    #D05D82

    oklch(63.1% 0.15 2.1)

  7. Step 600

    600

    #BB406C

    oklch(55.6% 0.162 1.9)

  8. Step 700

    700

    #A1315A

    oklch(49.2% 0.151 2.1)

  9. Step 800

    800

    #832A4A

    oklch(42.8% 0.125 1.8)

  10. Step 900

    900

    #69273D

    oklch(37.6% 0.097 2.2)

  11. Step 950

    950 (this color)

    #300B18

    oklch(21.9% 0.062 2)

Export this scale for Tailwind in the Tailwind colors tool

#300B18 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)#1214180.069
Deuteranopia (no green cones)#1C1B170.063
Tritanopia (no blue cones)#3507100.018
Achromatopsia (no color)#1818180.063

Harmonies

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

Complementary

The opposite hue (180°).

  • #300B18

    #300B18

    oklch(21.9% 0.062 2)

  • #00201C

    #00201C

    oklch(21.9% 0.039 183.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #300B18

    #300B18

    oklch(21.9% 0.062 2)

  • #2A0D27

    #2A0D27

    oklch(21.8% 0.063 331.6)

  • #310C06

    #310C06

    oklch(21.7% 0.062 32.3)

Open the analogous palette in the generator

Split complementary

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

  • #300B18

    #300B18

    oklch(21.9% 0.062 2)

  • #00210C

    #00210C

    oklch(21.7% 0.057 152.3)

  • #001F24

    #001F24

    oklch(21.9% 0.038 209.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #300B18

    #300B18

    oklch(21.9% 0.062 2)

  • #161E00

    #161E00

    oklch(21.9% 0.054 122.6)

  • #001C30

    #001C30

    oklch(21.7% 0.052 242.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #300B18

    #300B18

    oklch(21.9% 0.062 2)

  • #221900

    #221900

    oklch(21.8% 0.045 90.7)

  • #00201C

    #00201C

    oklch(21.9% 0.039 183.2)

  • #111736

    #111736

    oklch(21.9% 0.061 272.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #300B18, closest first.

Similar named colors

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

Use #300B18 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.