#37111F
Closest named color: Dark Maroon (#3C0008). oklch(24.4% 0.063 359.9), rgb(55, 17, 31).
Aa
White text reads best on this color (16.63:1).
About this color
#37111F is a very dark, muted red. In OKLCH its lightness is 24%, its chroma 0.063 and its hue 360°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.043 away. White text reads best on it, at 16.63:1.
| Hue family | Reds |
| Lightness | very dark (24%) |
| Chroma | muted (0.063) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.26:1 |
| White text | 16.63:1 |
Values
| HEX | #37111F |
| RGB | rgb(55, 17, 31) |
| HSL | hsl(338, 53%, 14%) |
| OKLCH | oklch(24.4% 0.063 359.9) |
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 #37111F | 16.63:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #37111F | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #37111F text on white | 16.63:1 | AAA | Lc 103.3 | Preferred for body text |
| #37111F text on black | 1.26:1 | 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
#FCF3F5
oklch(97.2% 0.01 2)
-
Step 100
100
#F7E4E9
oklch(93.5% 0.022 359.7)
-
Step 200
200
#F2CED8
oklch(88.5% 0.042 359.4)
-
Step 300
300
#EAADBF
oklch(80.9% 0.075 359.5)
-
Step 400
400
#DD809E
oklch(70.8% 0.119 359.9)
-
Step 500
500
#D05C86
oklch(63.1% 0.152 359.7)
-
Step 600
600
#BB3E70
oklch(55.5% 0.166 359.5)
-
Step 700
700
#A12F5D
oklch(49% 0.154 359.9)
-
Step 800
800
#83294C
oklch(42.7% 0.127 0.1)
-
Step 900
900
#6A273F
oklch(37.8% 0.099 0.7)
-
Step 950
950 (this color)
#37111F
oklch(24.4% 0.063 359.9)
#37111F 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) | #181A1F | 0.069 |
| Deuteranopia (no green cones) | #22211E | 0.063 |
| Tritanopia (no blue cones) | #3C0E16 | 0.019 |
| Achromatopsia (no color) | #1E1E1E | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37111F
#37111F
oklch(24.4% 0.063 359.9)
- #002721
#002721
oklch(24.4% 0.044 179.9)
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 #37111F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.043
- Dark Plum #3F012C ΔE 0.046
- Aubergine #3D0734 ΔE 0.049
- Eggplant #380835 ΔE 0.050
- Deep Brown #410200 ΔE 0.052
- Mahogany #4A0100 ΔE 0.060
- Chocolate Brown #411900 ΔE 0.063
- Dark Brown #341C02 ΔE 0.064
Use #37111F 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.