#2A100E

Closest named color: Dark Maroon (#3C0008). oklch(21.3% 0.044 25.9), rgb(42, 16, 14).

Aa

White text reads best on this color (17.81:1).

About this color

#2A100E is a very dark, muted red. In OKLCH its lightness is 21%, its chroma 0.044 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.049 away. White text reads best on it, at 17.81:1.

Hue familyReds
Lightnessvery dark (21%)
Chromamuted (0.044)
Temperaturewarm
Nearest nameDark Maroon (#3C0008)
Black text1.17:1
White text17.81:1

Values

HEX#2A100E
RGBrgb(42, 16, 14)
HSLhsl(4, 50%, 11%)
OKLCHoklch(21.3% 0.044 25.9)

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 #2A100E 17.81:1 AAA Lc -106.7 Preferred for body text
Black text on #2A100E 1.17:1 Fails Lc 0.0 Not readable
#2A100E text on white 17.81:1 AAA Lc 104.4 Preferred for body text
#2A100E 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

    #FAF4F3

    oklch(97.2% 0.007 28.8)

  2. Step 100

    100

    #F4E6E5

    oklch(93.6% 0.015 22.4)

  3. Step 200

    200

    #ECD2CF

    oklch(88.4% 0.029 25.6)

  4. Step 300

    300

    #E0B4AF

    oklch(80.8% 0.052 25.8)

  5. Step 400

    400

    #CF8D86

    oklch(70.7% 0.082 26)

  6. Step 500

    500

    #C16F67

    oklch(63.1% 0.105 26.4)

  7. Step 600

    600

    #AD564F

    oklch(55.7% 0.115 26.2)

  8. Step 700

    700

    #944540

    oklch(49.1% 0.108 25.5)

  9. Step 800

    800

    #783935

    oklch(42.6% 0.089 25.2)

  10. Step 900

    900

    #61322E

    oklch(37.7% 0.069 25.9)

  11. Step 950

    950 (this color)

    #2A100E

    oklch(21.3% 0.044 25.9)

Export this scale for Tailwind in the Tailwind colors tool

#2A100E 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)#16140E0.046
Deuteranopia (no green cones)#1D1A0D0.043
Tritanopia (no blue cones)#2F0C100.016
Achromatopsia (no color)#1818180.044

Harmonies

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

Complementary

The opposite hue (180°).

  • #2A100E

    #2A100E

    oklch(21.3% 0.044 25.9)

  • #001D21

    #001D21

    oklch(21.1% 0.036 207.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #2A100E

    #2A100E

    oklch(21.3% 0.044 25.9)

  • #28101A

    #28101A

    oklch(21.3% 0.043 355)

  • #281304

    #281304

    oklch(21.3% 0.044 55.6)

Open the analogous palette in the generator

Split complementary

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

  • #2A100E

    #2A100E

    oklch(21.3% 0.044 25.9)

  • #001F18

    #001F18

    oklch(21.4% 0.04 175)

  • #011C2A

    #011C2A

    oklch(21.4% 0.043 234.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #2A100E

    #2A100E

    oklch(21.3% 0.044 25.9)

  • #0A1E0C

    #0A1E0C

    oklch(21.2% 0.043 145.9)

  • #0F182D

    #0F182D

    oklch(21.3% 0.044 265.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #2A100E

    #2A100E

    oklch(21.3% 0.044 25.9)

  • #181B02

    #181B02

    oklch(21.2% 0.044 115.6)

  • #001D21

    #001D21

    oklch(21.1% 0.036 207.4)

  • #1B142B

    #1B142B

    oklch(21.3% 0.045 296.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #2A100E, closest first.

Similar named colors

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

Use #2A100E 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.