#31000E
Closest named color: Dark Maroon (#3C0008). oklch(20% 0.08 9.4), rgb(49, 0, 14).
Aa
White text reads best on this color (18.47:1).
About this color
#31000E is a very dark, moderately saturated red. In OKLCH its lightness is 20%, its chroma 0.080 and its hue 9°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.032 away. White text reads best on it, at 18.47:1.
| Hue family | Reds |
| Lightness | very dark (20%) |
| Chroma | moderately saturated (0.080) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.13:1 |
| White text | 18.47:1 |
Values
| HEX | #31000E |
| RGB | rgb(49, 0, 14) |
| HSL | hsl(343, 100%, 10%) |
| OKLCH | oklch(20% 0.08 9.4) |
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 #31000E | 18.47:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #31000E | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #31000E text on white | 18.47:1 | AAA | Lc 104.3 | Preferred for body text |
| #31000E text on black | 1.13:1 | 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
#FEF2F3
oklch(97.1% 0.013 11.5)
-
Step 100
100
#FCE3E6
oklch(93.7% 0.028 9.4)
-
Step 200
200
#FACBD1
oklch(88.4% 0.054 9.6)
-
Step 300
300
#F7A7B3
oklch(80.9% 0.095 9.6)
-
Step 400
400
#EE748C
oklch(70.7% 0.151 9.4)
-
Step 500
500
#E44770
oklch(63% 0.194 9.1)
-
Step 600
600
#D01958
oklch(55.6% 0.211 9.4)
-
Step 700
700
#B30148
oklch(49.1% 0.196 9.4)
-
Step 800
800
#920E3B
oklch(42.8% 0.163 9.7)
-
Step 900
900
#751933
oklch(37.8% 0.126 9.3)
-
Step 950
950 (this color)
#31000E
oklch(20% 0.08 9.4)
#31000E 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) | #0C0D0E | 0.092 |
| Deuteranopia (no green cones) | #1A170D | 0.081 |
| Tritanopia (no blue cones) | #370005 | 0.023 |
| Achromatopsia (no color) | #141414 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31000E
#31000E
oklch(20% 0.08 9.4)
- #001B19
#001B19
oklch(20% 0.035 188.2)
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 #31000E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.032
- Deep Brown #410200 ΔE 0.051
- Very Dark Brown #1D0200 ΔE 0.063
- Dark Plum #3F012C ΔE 0.065
- Mahogany #4A0100 ΔE 0.070
- Eggplant #380835 ΔE 0.075
- Aubergine #3D0734 ΔE 0.076
- Very Dark Purple #2A0134 ΔE 0.079
Use #31000E 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.