#311C19
Closest named color: Dark Brown (#341C02). oklch(25.3% 0.034 28.5), rgb(49, 28, 25).
Aa
White text reads best on this color (16.02:1).
About this color
#311C19 is a dark, muted red. In OKLCH its lightness is 25%, its chroma 0.034 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.033 away. White text reads best on it, at 16.02:1.
| Hue family | Reds |
| Lightness | dark (25%) |
| Chroma | muted (0.034) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.31:1 |
| White text | 16.02:1 |
Values
| HEX | #311C19 |
| RGB | rgb(49, 28, 25) |
| HSL | hsl(8, 32%, 15%) |
| OKLCH | oklch(25.3% 0.034 28.5) |
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 #311C19 | 16.02:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #311C19 | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #311C19 text on white | 16.02:1 | AAA | Lc 102.9 | Preferred for body text |
| #311C19 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
#F9F4F3
oklch(97.1% 0.006 31.1)
-
Step 100
100
#F2E7E5
oklch(93.6% 0.012 29.9)
-
Step 200
200
#E8D4D1
oklch(88.5% 0.023 27.8)
-
Step 300
300
#DAB7B2
oklch(80.9% 0.041 27.6)
-
Step 400
400
#C6928A
oklch(70.8% 0.065 28.7)
-
Step 500
500
#B6766D
oklch(63.1% 0.082 28.4)
-
Step 600
600
#A15E55
oklch(55.6% 0.089 28.4)
-
Step 700
700
#8A4D45
oklch(49.1% 0.084 28.4)
-
Step 800
800
#704039
oklch(42.8% 0.069 29.1)
-
Step 900
900
#5B3631
oklch(37.7% 0.054 28.2)
-
Step 950
950 (this color)
#311C19
oklch(25.3% 0.034 28.5)
#311C19 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) | #211F19 | 0.034 |
| Deuteranopia (no green cones) | #262319 | 0.031 |
| Tritanopia (no blue cones) | #35191B | 0.014 |
| Achromatopsia (no color) | #212121 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #311C19
#311C19
oklch(25.3% 0.034 28.5)
- #0B272B
#0B272B
oklch(25.4% 0.034 208.1)
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 #311C19, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.033
- Jet #212529 ΔE 0.043
- Chocolate Brown #411900 ΔE 0.045
- Dark #1B2431 ΔE 0.057
- Deep Brown #410200 ΔE 0.062
- Dark Maroon #3C0008 ΔE 0.064
- Oxford Blue #1B263B ΔE 0.070
- Mahogany #4A0100 ΔE 0.071
Use #311C19 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.