#2A101E

Closest named color: Dark Maroon (#3C0008). oklch(21.9% 0.048 348.3), rgb(42, 16, 30).

Aa

White text reads best on this color (17.62:1).

About this color

#2A101E is a very dark, muted red. In OKLCH its lightness is 22%, its chroma 0.048 and its hue 348°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.056 away. White text reads best on it, at 17.62:1.

Hue familyReds
Lightnessvery dark (22%)
Chromamuted (0.048)
Temperaturewarm
Nearest nameDark Maroon (#3C0008)
Black text1.19:1
White text17.62:1

Values

HEX#2A101E
RGBrgb(42, 16, 30)
HSLhsl(328, 45%, 11%)
OKLCHoklch(21.9% 0.048 348.3)

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 #2A101E 17.62:1 AAA Lc -106.5 Preferred for body text
Black text on #2A101E 1.19:1 Fails Lc 0.0 Not readable
#2A101E text on white 17.62:1 AAA Lc 104.3 Preferred for body text
#2A101E text on black 1.19:1 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

    #FAF3F6

    oklch(97% 0.008 349.2)

  2. Step 100

    100

    #F3E6EC

    oklch(93.7% 0.016 347.6)

  3. Step 200

    200

    #EAD1DD

    oklch(88.5% 0.032 347.1)

  4. Step 300

    300

    #DEB2C7

    oklch(80.9% 0.058 348.2)

  5. Step 400

    400

    #CB89AA

    oklch(70.6% 0.091 348.3)

  6. Step 500

    500

    #BC6B95

    oklch(63.1% 0.115 348.5)

  7. Step 600

    600

    #A75180

    oklch(55.5% 0.126 348)

  8. Step 700

    700

    #8F416C

    oklch(49% 0.118 348.1)

  9. Step 800

    800

    #753658

    oklch(42.7% 0.098 348.5)

  10. Step 900

    900

    #5E2F48

    oklch(37.5% 0.076 348.2)

  11. Step 950

    950 (this color)

    #2A101E

    oklch(21.9% 0.048 348.3)

Export this scale for Tailwind in the Tailwind colors tool

#2A101E 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)#13161E0.051
Deuteranopia (no green cones)#191A1D0.047
Tritanopia (no blue cones)#2D0F150.018
Achromatopsia (no color)#1919190.048

Harmonies

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

Complementary

The opposite hue (180°).

  • #2A101E

    #2A101E

    oklch(21.9% 0.048 348.3)

  • #002116

    #002116

    oklch(22% 0.045 166.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #2A101E

    #2A101E

    oklch(21.9% 0.048 348.3)

  • #231228

    #231228

    oklch(21.7% 0.048 318.3)

  • #2D1012

    #2D1012

    oklch(21.9% 0.048 17.6)

Open the analogous palette in the generator

Split complementary

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

  • #2A101E

    #2A101E

    oklch(21.9% 0.048 348.3)

  • #0E1F08

    #0E1F08

    oklch(21.7% 0.048 138.1)

  • #001F21

    #001F21

    oklch(21.8% 0.037 200.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #2A101E

    #2A101E

    oklch(21.9% 0.048 348.3)

  • #1C1C00

    #1C1C00

    oklch(21.9% 0.048 109.8)

  • #001E2A

    #001E2A

    oklch(22% 0.043 228.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #2A101E

    #2A101E

    oklch(21.9% 0.048 348.3)

  • #261700

    #261700

    oklch(21.9% 0.046 77.1)

  • #002116

    #002116

    oklch(22% 0.045 166.9)

  • #0B1A30

    #0B1A30

    oklch(21.8% 0.048 257.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #2A101E, closest first.

Similar named colors

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

Use #2A101E 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.