#3B101A

Closest named color: Dark Maroon (#3C0008). oklch(24.8% 0.068 9.4), rgb(59, 16, 26).

Aa

White text reads best on this color (16.47:1).

About this color

#3B101A is a very dark, muted red. In OKLCH its lightness is 25%, its chroma 0.068 and its hue 9°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.035 away. White text reads best on it, at 16.47:1.

Hue familyReds
Lightnessvery dark (25%)
Chromamuted (0.068)
Temperaturewarm
Nearest nameDark Maroon (#3C0008)
Black text1.27:1
White text16.47:1

Values

HEX#3B101A
RGBrgb(59, 16, 26)
HSLhsl(346, 57%, 15%)
OKLCHoklch(24.8% 0.068 9.4)

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 #3B101A 16.47:1 AAA Lc -105.6 Preferred for body text
Black text on #3B101A 1.27:1 Fails Lc 0.0 Not readable
#3B101A text on white 16.47:1 AAA Lc 103.0 Preferred for body text
#3B101A text on black 1.27:1 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

    #FDF3F4

    oklch(97.2% 0.011 10.3)

  2. Step 100

    100

    #F9E4E6

    oklch(93.6% 0.023 11)

  3. Step 200

    200

    #F5CED3

    oklch(88.6% 0.044 9.3)

  4. Step 300

    300

    #EFABB5

    oklch(80.8% 0.081 9.3)

  5. Step 400

    400

    #E47C8F

    oklch(70.7% 0.129 9.3)

  6. Step 500

    500

    #D95674

    oklch(63.1% 0.166 9.1)

  7. Step 600

    600

    #C4365C

    oklch(55.6% 0.179 9.5)

  8. Step 700

    700

    #A9264C

    oklch(49.1% 0.167 9.3)

  9. Step 800

    800

    #89223E

    oklch(42.6% 0.138 9.4)

  10. Step 900

    900

    #6F2335

    oklch(37.8% 0.108 9.6)

  11. Step 950

    950 (this color)

    #3B101A

    oklch(24.8% 0.068 9.4)

Export this scale for Tailwind in the Tailwind colors tool

#3B101A 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)#191A1A0.077
Deuteranopia (no green cones)#2522190.068
Tritanopia (no blue cones)#410A140.017
Achromatopsia (no color)#1F1F1F0.069

Harmonies

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

Complementary

The opposite hue (180°).

  • #3B101A

    #3B101A

    oklch(24.8% 0.068 9.4)

  • #002826

    #002826

    oklch(25% 0.043 189.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #3B101A

    #3B101A

    oklch(24.8% 0.068 9.4)

  • #35122C

    #35122C

    oklch(24.8% 0.068 338.5)

  • #3B1305

    #3B1305

    oklch(24.8% 0.068 39.6)

Open the analogous palette in the generator

Split complementary

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

  • #3B101A

    #3B101A

    oklch(24.8% 0.068 9.4)

  • #002917

    #002917

    oklch(24.8% 0.057 159.3)

  • #002630

    #002630

    oklch(24.8% 0.045 219.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #3B101A

    #3B101A

    oklch(24.8% 0.068 9.4)

  • #172700

    #172700

    oklch(24.9% 0.066 129.2)

  • #012240

    #012240

    oklch(24.8% 0.068 249.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #3B101A

    #3B101A

    oklch(24.8% 0.068 9.4)

  • #272100

    #272100

    oklch(24.7% 0.051 99.3)

  • #002826

    #002826

    oklch(25% 0.043 189.7)

  • #1B1C41

    #1B1C41

    oklch(24.8% 0.069 279)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3B101A, closest first.

Similar named colors

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

Use #3B101A 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.