#331C18
Closest named color: Dark Brown (#341C02). oklch(25.6% 0.037 30.5), rgb(51, 28, 24).
Aa
White text reads best on this color (15.90:1).
About this color
#331C18 is a dark, muted red. In OKLCH its lightness is 26%, its chroma 0.037 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.031 away. White text reads best on it, at 15.90:1.
| Hue family | Reds |
| Lightness | dark (26%) |
| Chroma | muted (0.037) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.32:1 |
| White text | 15.90:1 |
Values
| HEX | #331C18 |
| RGB | rgb(51, 28, 24) |
| HSL | hsl(9, 36%, 15%) |
| OKLCH | oklch(25.6% 0.037 30.5) |
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 #331C18 | 15.90:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #331C18 | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #331C18 text on white | 15.90:1 | AAA | Lc 102.8 | Preferred for body text |
| #331C18 text on black | 1.32:1 | 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
#F9F4F3
oklch(97.1% 0.006 31.1)
-
Step 100
100
#F2E7E5
oklch(93.6% 0.012 29.9)
-
Step 200
200
#E9D4CF
oklch(88.6% 0.024 33.6)
-
Step 300
300
#DCB7B0
oklch(81% 0.044 30.6)
-
Step 400
400
#C99086
oklch(70.6% 0.071 30.1)
-
Step 500
500
#BA7468
oklch(63.1% 0.091 30.3)
-
Step 600
600
#A55C50
oklch(55.6% 0.098 30.3)
-
Step 700
700
#8D4B40
oklch(49% 0.092 30.6)
-
Step 800
800
#733E35
oklch(42.7% 0.076 30.7)
-
Step 900
900
#5D352E
oklch(37.7% 0.059 30.7)
-
Step 950
950 (this color)
#331C18
oklch(25.6% 0.037 30.5)
#331C18 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) | #211F18 | 0.038 |
| Deuteranopia (no green cones) | #272418 | 0.035 |
| Tritanopia (no blue cones) | #38191B | 0.016 |
| Achromatopsia (no color) | #222222 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331C18
#331C18
oklch(25.6% 0.037 30.5)
- #08282D
#08282D
oklch(25.6% 0.037 209.7)
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 #331C18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.031
- Chocolate Brown #411900 ΔE 0.041
- Jet #212529 ΔE 0.046
- Deep Brown #410200 ΔE 0.060
- Dark #1B2431 ΔE 0.060
- Dark Maroon #3C0008 ΔE 0.062
- Mahogany #4A0100 ΔE 0.067
- Oxford Blue #1B263B ΔE 0.073
Use #331C18 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.