#27101D
Closest named color: Rich Black (#0D1B2A). oklch(21.3% 0.044 346.4), rgb(39, 16, 29).
Aa
White text reads best on this color (17.82:1).
About this color
#27101D is a very dark, muted red. In OKLCH its lightness is 21%, its chroma 0.044 and its hue 346°. Its hue sits on the warm side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.059 away. White text reads best on it, at 17.82:1.
| Hue family | Reds |
| Lightness | very dark (21%) |
| Chroma | muted (0.044) |
| Temperature | warm |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.17:1 |
| White text | 17.82:1 |
Values
| HEX | #27101D |
| RGB | rgb(39, 16, 29) |
| HSL | hsl(326, 42%, 11%) |
| OKLCH | oklch(21.3% 0.044 346.4) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #27101D | 17.82:1 | AAA | Lc -106.7 | Preferred for body text |
| Black text on #27101D | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #27101D text on white | 17.82:1 | AAA | Lc 104.5 | Preferred for body text |
| #27101D 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.
-
Step 50
50
#F9F4F6
oklch(97.2% 0.006 350.8)
-
Step 100
100
#F2E6EC
oklch(93.6% 0.015 345.6)
-
Step 200
200
#E8D2DD
oklch(88.5% 0.028 346)
-
Step 300
300
#DBB4C7
oklch(81% 0.051 347.4)
-
Step 400
400
#C78CAB
oklch(70.7% 0.082 346.6)
-
Step 500
500
#B76E96
oklch(63% 0.105 346.5)
-
Step 600
600
#A25581
oklch(55.5% 0.115 346.1)
-
Step 700
700
#8B456D
oklch(49.1% 0.107 346.4)
-
Step 800
800
#713959
oklch(42.7% 0.089 346.2)
-
Step 900
900
#5C3249
oklch(37.8% 0.069 346.9)
-
Step 950
950 (this color)
#27101D
oklch(21.3% 0.044 346.4)
#27101D 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) | #12151D | 0.046 |
| Deuteranopia (no green cones) | #18191C | 0.042 |
| Tritanopia (no blue cones) | #2A1015 | 0.017 |
| Achromatopsia (no color) | #181818 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #27101D
#27101D
oklch(21.3% 0.044 346.4)
- #001F14
#001F14
oklch(21.2% 0.044 166)
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 #27101D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.059
- Dark Maroon #3C0008 ΔE 0.061
- Very Dark Purple #2A0134 ΔE 0.064
- Eggplant #380835 ΔE 0.064
- Jet #212529 ΔE 0.067
- Dark #1B2431 ΔE 0.068
- Midnight Purple #280137 ΔE 0.068
- Dark Plum #3F012C ΔE 0.068
Use #27101D 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.