#310917
Closest named color: Dark Maroon (#3C0008). oklch(21.7% 0.066 3), rgb(49, 9, 23).
Aa
White text reads best on this color (17.76:1).
About this color
#310917 is a very dark, muted red. In OKLCH its lightness is 22%, its chroma 0.066 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.035 away. White text reads best on it, at 17.76:1.
| 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 | 17.76:1 |
Values
| HEX | #310917 |
| RGB | rgb(49, 9, 23) |
| HSL | hsl(339, 69%, 11%) |
| OKLCH | oklch(21.7% 0.066 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 #310917 | 17.76:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #310917 | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #310917 text on white | 17.76:1 | AAA | Lc 104.1 | Preferred for body text |
| #310917 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
#F8E4E8
oklch(93.6% 0.022 3.8)
-
Step 200
200
#F3CED6
oklch(88.5% 0.043 3.4)
-
Step 300
300
#EDACBC
oklch(81% 0.079 2.8)
-
Step 400
400
#E07E99
oklch(70.7% 0.124 3.1)
-
Step 500
500
#D45980
oklch(63.1% 0.159 3)
-
Step 600
600
#C03A69
oklch(55.7% 0.173 3.3)
-
Step 700
700
#A52A58
oklch(49.1% 0.162 2.8)
-
Step 800
800
#862548
oklch(42.7% 0.134 2.8)
-
Step 900
900
#6C243C
oklch(37.6% 0.105 3)
-
Step 950
950 (this color)
#310917
oklch(21.7% 0.066 3)
#310917 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) | #111317 | 0.075 |
| Deuteranopia (no green cones) | #1C1B16 | 0.068 |
| Tritanopia (no blue cones) | #36050F | 0.018 |
| Achromatopsia (no color) | #181818 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #310917
#310917
oklch(21.7% 0.066 3)
- #00201C
#00201C
oklch(21.9% 0.039 183.2)
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 #310917, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.035
- Deep Brown #410200 ΔE 0.051
- Dark Plum #3F012C ΔE 0.054
- Eggplant #380835 ΔE 0.060
- Aubergine #3D0734 ΔE 0.062
- Mahogany #4A0100 ΔE 0.068
- Very Dark Purple #2A0134 ΔE 0.069
- Dark Brown #341C02 ΔE 0.072
Use #310917 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.