#37212A
Closest named color: Jet (#212529). oklch(27.9% 0.037 353.6), rgb(55, 33, 42).
Aa
White text reads best on this color (14.85:1).
About this color
#37212A is a dark, muted red. In OKLCH its lightness is 28%, its chroma 0.037 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Jet (#212529), ΔE 0.044 away. White text reads best on it, at 14.85:1.
| Hue family | Reds |
| Lightness | dark (28%) |
| Chroma | muted (0.037) |
| Temperature | warm |
| Nearest name | Jet (#212529) |
| Black text | 1.41:1 |
| White text | 14.85:1 |
Values
| HEX | #37212A |
| RGB | rgb(55, 33, 42) |
| HSL | hsl(335, 25%, 17%) |
| OKLCH | oklch(27.9% 0.037 353.6) |
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 #37212A | 14.85:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #37212A | 1.41:1 | Fails | Lc 0.0 | Not readable |
| #37212A text on white | 14.85:1 | AAA | Lc 101.6 | Preferred for body text |
| #37212A text on black | 1.41:1 | 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
#F1E7EA
oklch(93.7% 0.012 357)
-
Step 200
200
#E7D3DA
oklch(88.5% 0.024 354.3)
-
Step 300
300
#D8B6C3
oklch(81% 0.043 353.1)
-
Step 400
400
#C48FA4
oklch(70.7% 0.07 353.5)
-
Step 500
500
#B4738E
oklch(63.2% 0.089 353.4)
-
Step 600
600
#9F5A78
oklch(55.6% 0.098 353.2)
-
Step 700
700
#884A65
oklch(49.2% 0.09 353.4)
-
Step 800
800
#6E3D52
oklch(42.7% 0.074 353.5)
-
Step 900
900
#5A3444
oklch(37.7% 0.059 353.5)
-
Step 950
950 (this color)
#37212A
oklch(27.9% 0.037 353.6)
#37212A 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) | #23252A | 0.040 |
| Deuteranopia (no green cones) | #292929 | 0.037 |
| Tritanopia (no blue cones) | #3A2024 | 0.012 |
| Achromatopsia (no color) | #272727 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37212A
#37212A
oklch(27.9% 0.037 353.6)
- #132F27
#132F27
oklch(28% 0.037 172.6)
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 #37212A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.044
- Space Cadet #2B2D42 ΔE 0.052
- Dark #1B2431 ΔE 0.053
- Oxford Blue #1B263B ΔE 0.057
- Dark Brown #341C02 ΔE 0.060
- Chocolate Brown #411900 ΔE 0.060
- Gunmetal #293241 ΔE 0.060
- Aubergine #3D0734 ΔE 0.070
Use #37212A 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.