#300B0A

Closest named color: Dark Maroon (#3C0008). oklch(21.4% 0.061 25.2), rgb(48, 11, 10).

Aa

White text reads best on this color (17.82:1).

About this color

#300B0A is a very dark, muted red. In OKLCH its lightness is 21%, its chroma 0.061 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.032 away. White text reads best on it, at 17.82:1.

Hue familyReds
Lightnessvery dark (21%)
Chromamuted (0.061)
Temperaturewarm
Nearest nameDark Maroon (#3C0008)
Black text1.17:1
White text17.82:1

Values

HEX#300B0A
RGBrgb(48, 11, 10)
HSLhsl(2, 66%, 11%)
OKLCHoklch(21.4% 0.061 25.2)

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 #300B0A 17.82:1 AAA Lc -106.5 Preferred for body text
Black text on #300B0A 1.17:1 Fails Lc 0.0 Not readable
#300B0A text on white 17.82:1 AAA Lc 104.2 Preferred for body text
#300B0A text on black 1.17:1 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

    #FCF3F2

    oklch(97.1% 0.01 25.1)

  2. Step 100

    100

    #F8E5E3

    oklch(93.7% 0.021 24.8)

  3. Step 200

    200

    #F3D0CC

    oklch(88.6% 0.04 25.6)

  4. Step 300

    300

    #ECAFA9

    oklch(80.9% 0.072 25.2)

  5. Step 400

    400

    #DF837C

    oklch(70.7% 0.115 25)

  6. Step 500

    500

    #D4605A

    oklch(63.1% 0.148 25.2)

  7. Step 600

    600

    #BF4340

    oklch(55.6% 0.16 25.2)

  8. Step 700

    700

    #A43432

    oklch(49.1% 0.148 25.3)

  9. Step 800

    800

    #852C2A

    oklch(42.6% 0.123 25.1)

  10. Step 900

    900

    #6C2926

    oklch(37.8% 0.097 25.3)

  11. Step 950

    950 (this color)

    #300B0A

    oklch(21.4% 0.061 25.2)

Export this scale for Tailwind in the Tailwind colors tool

#300B0A 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)#15130A0.064
Deuteranopia (no green cones)#1E1B090.061
Tritanopia (no blue cones)#36040B0.019
Achromatopsia (no color)#1818180.061

Harmonies

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

Complementary

The opposite hue (180°).

  • #300B0A

    #300B0A

    oklch(21.4% 0.061 25.2)

  • #001E21

    #001E21

    oklch(21.4% 0.037 204.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #300B0A

    #300B0A

    oklch(21.4% 0.061 25.2)

  • #2E0B1B

    #2E0B1B

    oklch(21.6% 0.061 355)

  • #2B1100

    #2B1100

    oklch(21.3% 0.053 54.8)

Open the analogous palette in the generator

Split complementary

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

  • #300B0A

    #300B0A

    oklch(21.4% 0.061 25.2)

  • #001F18

    #001F18

    oklch(21.4% 0.04 175)

  • #001C2B

    #001C2B

    oklch(21.4% 0.046 235.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #300B0A

    #300B0A

    oklch(21.4% 0.061 25.2)

  • #032006

    #032006

    oklch(21.4% 0.06 145.3)

  • #0B1735

    #0B1735

    oklch(21.4% 0.061 265.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #300B0A

    #300B0A

    oklch(21.4% 0.061 25.2)

  • #191C00

    #191C00

    oklch(21.6% 0.049 115.2)

  • #001E21

    #001E21

    oklch(21.4% 0.037 204.1)

  • #1C1232

    #1C1232

    oklch(21.5% 0.061 295.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #300B0A, closest first.

Similar named colors

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

Use #300B0A 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.