#37111C
Closest named color: Dark Maroon (#3C0008). oklch(24.3% 0.062 4.9), rgb(55, 17, 28).
Aa
White text reads best on this color (16.67:1).
About this color
#37111C is a very dark, muted red. In OKLCH its lightness is 24%, its chroma 0.062 and its hue 5°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.039 away. White text reads best on it, at 16.67:1.
| Hue family | Reds |
| Lightness | very dark (24%) |
| Chroma | muted (0.062) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.25:1 |
| White text | 16.67:1 |
Values
| HEX | #37111C |
| RGB | rgb(55, 17, 28) |
| HSL | hsl(343, 53%, 14%) |
| OKLCH | oklch(24.3% 0.062 4.9) |
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 #37111C | 16.67:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #37111C | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #37111C text on white | 16.67:1 | AAA | Lc 103.3 | Preferred for body text |
| #37111C text on black | 1.25:1 | 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
#FCF3F4
oklch(97.1% 0.01 9.5)
-
Step 100
100
#F7E4E8
oklch(93.5% 0.021 3.1)
-
Step 200
200
#F2CFD5
oklch(88.6% 0.04 6.3)
-
Step 300
300
#EAADBA
oklch(80.8% 0.073 4.7)
-
Step 400
400
#DD8097
oklch(70.6% 0.117 4.6)
-
Step 500
500
#D15D7D
oklch(63.1% 0.149 5.1)
-
Step 600
600
#BC3F67
oklch(55.5% 0.163 4.5)
-
Step 700
700
#A23055
oklch(49.1% 0.152 5)
-
Step 800
800
#842946
oklch(42.7% 0.126 4.7)
-
Step 900
900
#6A273B
oklch(37.7% 0.098 4.5)
-
Step 950
950 (this color)
#37111C
oklch(24.3% 0.062 4.9)
#37111C 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) | #18191C | 0.069 |
| Deuteranopia (no green cones) | #22211B | 0.064 |
| Tritanopia (no blue cones) | #3C0D15 | 0.016 |
| Achromatopsia (no color) | #1E1E1E | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37111C
#37111C
oklch(24.3% 0.062 4.9)
- #002623
#002623
oklch(24.2% 0.042 187)
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 #37111C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.039
- Deep Brown #410200 ΔE 0.047
- Dark Plum #3F012C ΔE 0.050
- Aubergine #3D0734 ΔE 0.055
- Eggplant #380835 ΔE 0.056
- Mahogany #4A0100 ΔE 0.057
- Chocolate Brown #411900 ΔE 0.058
- Dark Brown #341C02 ΔE 0.059
Use #37111C 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.