#311B22
Closest named color: Jet (#212529). oklch(25.4% 0.036 359.5), rgb(49, 27, 34).
Aa
White text reads best on this color (16.02:1).
About this color
#311B22 is a dark, muted red. In OKLCH its lightness is 25%, its chroma 0.036 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Jet (#212529), ΔE 0.042 away. White text reads best on it, at 16.02:1.
| Hue family | Reds |
| Lightness | dark (25%) |
| Chroma | muted (0.036) |
| Temperature | warm |
| Nearest name | Jet (#212529) |
| Black text | 1.31:1 |
| White text | 16.02:1 |
Values
| HEX | #311B22 |
| RGB | rgb(49, 27, 34) |
| HSL | hsl(341, 29%, 15%) |
| OKLCH | oklch(25.4% 0.036 359.5) |
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 #311B22 | 16.02:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #311B22 | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #311B22 text on white | 16.02:1 | AAA | Lc 102.9 | Preferred for body text |
| #311B22 text on black | 1.31:1 | 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
#F9F4F5
oklch(97.1% 0.006 3.3)
-
Step 100
100
#F1E7E9
oklch(93.6% 0.011 3.5)
-
Step 200
200
#E8D3D8
oklch(88.5% 0.024 1.4)
-
Step 300
300
#D9B6C0
oklch(81% 0.042 359)
-
Step 400
400
#C58F9F
oklch(70.7% 0.069 359.6)
-
Step 500
500
#B57388
oklch(63.1% 0.087 359.3)
-
Step 600
600
#A05A71
oklch(55.5% 0.096 359.6)
-
Step 700
700
#894A5F
oklch(49.1% 0.089 359.6)
-
Step 800
800
#6F3D4E
oklch(42.7% 0.073 358.9)
-
Step 900
900
#5A3441
oklch(37.6% 0.057 358.2)
-
Step 950
950 (this color)
#311B22
oklch(25.4% 0.036 359.5)
#311B22 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) | #1E1F22 | 0.040 |
| Deuteranopia (no green cones) | #232322 | 0.037 |
| Tritanopia (no blue cones) | #341A1D | 0.011 |
| Achromatopsia (no color) | #212121 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #311B22
#311B22
oklch(25.4% 0.036 359.5)
- #0B2823
#0B2823
oklch(25.3% 0.036 180.1)
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 #311B22, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.042
- Dark #1B2431 ΔE 0.050
- Dark Brown #341C02 ΔE 0.051
- Chocolate Brown #411900 ΔE 0.058
- Oxford Blue #1B263B ΔE 0.061
- Dark Maroon #3C0008 ΔE 0.065
- Eggplant #380835 ΔE 0.066
- Aubergine #3D0734 ΔE 0.067
Use #311B22 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.