#37232D
Closest named color: Jet (#212529). oklch(28.5% 0.035 348.1), rgb(55, 35, 45).
Aa
White text reads best on this color (14.57:1).
About this color
#37232D is a dark, muted red. In OKLCH its lightness is 28%, its chroma 0.035 and its hue 348°. 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 14.57:1.
| Hue family | Reds |
| Lightness | dark (28%) |
| Chroma | muted (0.035) |
| Temperature | warm |
| Nearest name | Jet (#212529) |
| Black text | 1.44:1 |
| White text | 14.57:1 |
Values
| HEX | #37232D |
| RGB | rgb(55, 35, 45) |
| HSL | hsl(330, 22%, 18%) |
| OKLCH | oklch(28.5% 0.035 348.1) |
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 #37232D | 14.57:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #37232D | 1.44:1 | Fails | Lc 0.0 | Not readable |
| #37232D text on white | 14.57:1 | AAA | Lc 101.3 | Preferred for body text |
| #37232D text on black | 1.44:1 | 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
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#F0E7EB
oklch(93.6% 0.011 348.4)
-
Step 200
200
#E5D3DC
oklch(88.4% 0.023 345.8)
-
Step 300
300
#D6B6C5
oklch(80.8% 0.042 348.1)
-
Step 400
400
#C090A8
oklch(70.6% 0.066 347.4)
-
Step 500
500
#AF7492
oklch(62.9% 0.084 347.9)
-
Step 600
600
#9A5C7D
oklch(55.5% 0.092 347.3)
-
Step 700
700
#844C69
oklch(49.1% 0.085 348.3)
-
Step 800
800
#6B3F56
oklch(42.8% 0.069 347.8)
-
Step 900
900
#573547
oklch(37.6% 0.055 347.1)
-
Step 950
950 (this color)
#37232D
oklch(28.5% 0.035 348.1)
#37232D 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) | #25272D | 0.036 |
| Deuteranopia (no green cones) | #292A2C | 0.034 |
| Tritanopia (no blue cones) | #3A2326 | 0.014 |
| Achromatopsia (no color) | #292929 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37232D
#37232D
oklch(28.5% 0.035 348.1)
- #183027
#183027
oklch(28.6% 0.035 167.8)
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 #37232D, 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 0.046
- Dark #1B2431 ΔE 0.052
- Gunmetal #293241 ΔE 0.054
- Oxford Blue #1B263B ΔE 0.055
- Chocolate Brown #411900 ΔE 0.065
- Dark Brown #341C02 ΔE 0.065
- Onyx #343A40 ΔE 0.072
Use #37232D 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.