#311E28
Closest named color: Jet (#212529). oklch(26.3% 0.034 346.8), rgb(49, 30, 40).
Aa
White text reads best on this color (15.59:1).
About this color
#311E28 is a dark, muted red. In OKLCH its lightness is 26%, its chroma 0.034 and its hue 347°. Its hue sits on the warm side of the wheel. The nearest named color is Jet (#212529), ΔE 0.037 away. White text reads best on it, at 15.59:1.
| Hue family | Reds |
| Lightness | dark (26%) |
| Chroma | muted (0.034) |
| Temperature | warm |
| Nearest name | Jet (#212529) |
| Black text | 1.34:1 |
| White text | 15.59:1 |
Values
| HEX | #311E28 |
| RGB | rgb(49, 30, 40) |
| HSL | hsl(328, 24%, 15%) |
| OKLCH | oklch(26.3% 0.034 346.8) |
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 #311E28 | 15.59:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #311E28 | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #311E28 text on white | 15.59:1 | AAA | Lc 102.5 | Preferred for body text |
| #311E28 text on black | 1.34:1 | 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
#D5B7C6
oklch(81% 0.04 346.4)
-
Step 400
400
#BF91A8
oklch(70.7% 0.063 347.3)
-
Step 500
500
#AE7593
oklch(63% 0.082 346.9)
-
Step 600
600
#995D7E
oklch(55.6% 0.09 346.3)
-
Step 700
700
#834D6A
oklch(49.2% 0.082 347.1)
-
Step 800
800
#6A3F56
oklch(42.7% 0.068 347.1)
-
Step 900
900
#563647
oklch(37.7% 0.052 346.8)
-
Step 950
950 (this color)
#311E28
oklch(26.3% 0.034 346.8)
#311E28 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) | #1F2228 | 0.036 |
| Deuteranopia (no green cones) | #242528 | 0.033 |
| Tritanopia (no blue cones) | #341E21 | 0.014 |
| Achromatopsia (no color) | #242424 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #311E28
#311E28
oklch(26.3% 0.034 346.8)
- #132A21
#132A21
oklch(26.3% 0.034 166.5)
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 #311E28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.037
- Dark #1B2431 ΔE 0.044
- Oxford Blue #1B263B ΔE 0.052
- Space Cadet #2B2D42 ΔE 0.058
- Dark Brown #341C02 ΔE 0.058
- Chocolate Brown #411900 ΔE 0.064
- Eggplant #380835 ΔE 0.066
- Aubergine #3D0734 ΔE 0.067
Use #311E28 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.