#331618
Closest named color: Dark Brown (#341C02). oklch(24.3% 0.047 16.8), rgb(51, 22, 24).
Aa
White text reads best on this color (16.55:1).
About this color
#331618 is a very dark, muted red. In OKLCH its lightness is 24%, its chroma 0.047 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.043 away. White text reads best on it, at 16.55:1.
| Hue family | Reds |
| Lightness | very dark (24%) |
| Chroma | muted (0.047) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.26:1 |
| White text | 16.55:1 |
Values
| HEX | #331618 |
| RGB | rgb(51, 22, 24) |
| HSL | hsl(356, 40%, 14%) |
| OKLCH | oklch(24.3% 0.047 16.8) |
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 #331618 | 16.55:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #331618 | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #331618 text on white | 16.55:1 | AAA | Lc 103.3 | Preferred for body text |
| #331618 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
#FAF4F4
oklch(97.2% 0.006 17.3)
-
Step 100
100
#F4E6E6
oklch(93.6% 0.015 17.4)
-
Step 200
200
#EDD1D2
oklch(88.4% 0.031 15.3)
-
Step 300
300
#E2B3B4
oklch(80.9% 0.055 16.9)
-
Step 400
400
#D28A8D
oklch(70.7% 0.088 16.8)
-
Step 500
500
#C46B71
oklch(63% 0.113 16.6)
-
Step 600
600
#AF5159
oklch(55.5% 0.123 16.7)
-
Step 700
700
#964149
oklch(49% 0.114 16.6)
-
Step 800
800
#7A363C
oklch(42.6% 0.095 16.6)
-
Step 900
900
#633033
oklch(37.8% 0.074 17.5)
-
Step 950
950 (this color)
#331618
oklch(24.3% 0.047 16.8)
#331618 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) | #1C1B18 | 0.050 |
| Deuteranopia (no green cones) | #232117 | 0.048 |
| Tritanopia (no blue cones) | #381217 | 0.014 |
| Achromatopsia (no color) | #1F1F1F | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331618
#331618
oklch(24.3% 0.047 16.8)
- #002627
#002627
oklch(24.4% 0.041 197.4)
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 #331618, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.043
- Dark Maroon #3C0008 ΔE 0.048
- Chocolate Brown #411900 ΔE 0.049
- Deep Brown #410200 ΔE 0.050
- Jet #212529 ΔE 0.056
- Mahogany #4A0100 ΔE 0.062
- Dark #1B2431 ΔE 0.067
- Dark Plum #3F012C ΔE 0.068
Use #331618 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.