#310E03
Closest named color: Dark Maroon (#3C0008). oklch(22% 0.061 39.7), rgb(49, 14, 3).
Aa
White text reads best on this color (17.57:1).
About this color
#310E03 is a very dark, muted red. In OKLCH its lightness is 22%, its chroma 0.061 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.039 away. White text reads best on it, at 17.57:1.
| Hue family | Reds |
| Lightness | very dark (22%) |
| Chroma | muted (0.061) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.19:1 |
| White text | 17.57:1 |
Values
| HEX | #310E03 |
| RGB | rgb(49, 14, 3) |
| HSL | hsl(14, 88%, 10%) |
| OKLCH | oklch(22% 0.061 39.7) |
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 #310E03 | 17.57:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #310E03 | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #310E03 text on white | 17.57:1 | AAA | Lc 104.1 | Preferred for body text |
| #310E03 text on black | 1.19:1 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F7E6E0
oklch(93.7% 0.02 40.5)
-
Step 200
200
#F2D1C6
oklch(88.5% 0.04 39.3)
-
Step 300
300
#EAB19E
oklch(80.8% 0.072 39.2)
-
Step 400
400
#DE8668
oklch(70.7% 0.117 39.5)
-
Step 500
500
#D2653E
oklch(63.1% 0.148 39.8)
-
Step 600
600
#BD491A
oklch(55.6% 0.16 39.9)
-
Step 700
700
#A3390A
oklch(49.1% 0.149 39.7)
-
Step 800
800
#84300E
oklch(42.6% 0.124 39.7)
-
Step 900
900
#6B2C15
oklch(37.8% 0.097 39.7)
-
Step 950
950 (this color)
#310E03
oklch(22% 0.061 39.7)
#310E03 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) | #181402 | 0.060 |
| Deuteranopia (no green cones) | #211C02 | 0.054 |
| Tritanopia (no blue cones) | #37060B | 0.028 |
| Achromatopsia (no color) | #191919 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #310E03
#310E03
oklch(22% 0.061 39.7)
- #001F27
#001F27
oklch(22.1% 0.04 218.1)
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 #310E03, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.039
- Deep Brown #410200 ΔE 0.040
- Dark Brown #341C02 ΔE 0.042
- Chocolate Brown #411900 ΔE 0.052
- Mahogany #4A0100 ΔE 0.059
- Very Dark Brown #1D0200 ΔE 0.069
- Jet #212529 ΔE 0.081
- Dark Plum #3F012C ΔE 0.089
Use #310E03 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.