#27131B
Closest named color: Rich Black (#0D1B2A). oklch(21.8% 0.035 354.9), rgb(39, 19, 27).
Aa
White text reads best on this color (17.56:1).
About this color
#27131B is a very dark, muted red. In OKLCH its lightness is 22%, its chroma 0.035 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.056 away. White text reads best on it, at 17.56:1.
| Hue family | Reds |
| Lightness | very dark (22%) |
| Chroma | muted (0.035) |
| Temperature | warm |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.19:1 |
| White text | 17.56:1 |
Values
| HEX | #27131B |
| RGB | rgb(39, 19, 27) |
| HSL | hsl(336, 34%, 11%) |
| OKLCH | oklch(21.8% 0.035 354.9) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #27131B | 17.56:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #27131B | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #27131B text on white | 17.56:1 | AAA | Lc 104.3 | Preferred for body text |
| #27131B 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.
-
Step 50
50
#F9F4F5
oklch(97.1% 0.006 3.3)
-
Step 100
100
#F1E7EA
oklch(93.7% 0.012 357)
-
Step 200
200
#E7D3DA
oklch(88.5% 0.024 354.3)
-
Step 300
300
#D8B6C2
oklch(80.9% 0.042 354.8)
-
Step 400
400
#C390A3
oklch(70.8% 0.066 354.8)
-
Step 500
500
#B3738C
oklch(63% 0.087 354.8)
-
Step 600
600
#9E5B76
oklch(55.6% 0.094 354.9)
-
Step 700
700
#874B63
oklch(49.2% 0.086 355.3)
-
Step 800
800
#6E3E51
oklch(42.8% 0.072 355.3)
-
Step 900
900
#593543
oklch(37.7% 0.055 355.2)
-
Step 950
950 (this color)
#27131B
oklch(21.8% 0.035 354.9)
#27131B 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #15171B | 0.039 |
| Deuteranopia (no green cones) | #1A1A1B | 0.035 |
| Tritanopia (no blue cones) | #2A1216 | 0.011 |
| Achromatopsia (no color) | #191919 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #27131B
#27131B
oklch(21.8% 0.035 354.9)
- #051F19
#051F19
oklch(21.7% 0.034 175.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #27131B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.056
- Jet #212529 ΔE 0.059
- Dark Maroon #3C0008 ΔE 0.061
- Dark #1B2431 ΔE 0.062
- Dark Brown #341C02 ΔE 0.064
- Eggplant #380835 ΔE 0.070
- Deep Brown #410200 ΔE 0.072
- Very Dark Purple #2A0134 ΔE 0.074
Use #27131B 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.