#310918
Closest named color: Dark Maroon (#3C0008). oklch(21.8% 0.066 1.3), rgb(49, 9, 24).
Aa
White text reads best on this color (17.75:1).
About this color
#310918 is a very dark, muted red. In OKLCH its lightness is 22%, its chroma 0.066 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.036 away. White text reads best on it, at 17.75:1.
| Hue family | Reds |
| Lightness | very dark (22%) |
| Chroma | muted (0.066) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.18:1 |
| White text | 17.75:1 |
Values
| HEX | #310918 |
| RGB | rgb(49, 9, 24) |
| HSL | hsl(338, 69%, 11%) |
| OKLCH | oklch(21.8% 0.066 1.3) |
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 #310918 | 17.75:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #310918 | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #310918 text on white | 17.75:1 | AAA | Lc 104.1 | Preferred for body text |
| #310918 text on black | 1.18:1 | 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
#FCF3F5
oklch(97.2% 0.01 2)
-
Step 100
100
#F8E4E9
oklch(93.6% 0.023 0.5)
-
Step 200
200
#F3CED7
oklch(88.5% 0.043 1.6)
-
Step 300
300
#ECACBD
oklch(80.9% 0.078 1.5)
-
Step 400
400
#E07D9B
oklch(70.6% 0.126 1.4)
-
Step 500
500
#D45883
oklch(63% 0.161 1.2)
-
Step 600
600
#BF396D
oklch(55.5% 0.175 1)
-
Step 700
700
#A52A5B
oklch(49.2% 0.163 1.2)
-
Step 800
800
#86254A
oklch(42.7% 0.135 1.5)
-
Step 900
900
#6C243E
oklch(37.7% 0.105 1.2)
-
Step 950
950 (this color)
#310918
oklch(21.8% 0.066 1.3)
#310918 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) | #111318 | 0.074 |
| Deuteranopia (no green cones) | #1C1B17 | 0.067 |
| Tritanopia (no blue cones) | #36050F | 0.019 |
| Achromatopsia (no color) | #181818 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #310918
#310918
oklch(21.8% 0.066 1.3)
- #00201B
#00201B
oklch(21.8% 0.039 180.5)
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 #310918, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.036
- Dark Plum #3F012C ΔE 0.052
- Deep Brown #410200 ΔE 0.053
- Eggplant #380835 ΔE 0.058
- Aubergine #3D0734 ΔE 0.060
- Very Dark Purple #2A0134 ΔE 0.068
- Mahogany #4A0100 ΔE 0.069
- Dark Brown #341C02 ΔE 0.073
Use #310918 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.