#310D22
Closest named color: Eggplant (#380835). oklch(22.8% 0.065 347.4), rgb(49, 13, 34).
Aa
White text reads best on this color (17.33:1).
About this color
#310D22 is a very dark, muted red. In OKLCH its lightness is 23%, its chroma 0.065 and its hue 347°. Its hue sits on the warm side of the wheel. The nearest named color is Eggplant (#380835), ΔE 0.042 away. White text reads best on it, at 17.33:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | muted (0.065) |
| Temperature | warm |
| Nearest name | Eggplant (#380835) |
| Black text | 1.21:1 |
| White text | 17.33:1 |
Values
| HEX | #310D22 |
| RGB | rgb(49, 13, 34) |
| HSL | hsl(325, 58%, 12%) |
| OKLCH | oklch(22.8% 0.065 347.4) |
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 #310D22 | 17.33:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #310D22 | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #310D22 text on white | 17.33:1 | AAA | Lc 103.9 | Preferred for body text |
| #310D22 text on black | 1.21:1 | 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
#FBF3F7
oklch(97.1% 0.01 345.4)
-
Step 100
100
#F6E4ED
oklch(93.6% 0.023 345.8)
-
Step 200
200
#F0CEDE
oklch(88.5% 0.043 348)
-
Step 300
300
#E7ADCA
oklch(81% 0.077 347.5)
-
Step 400
400
#D87FAF
oklch(70.6% 0.124 347.2)
-
Step 500
500
#CB5C9B
oklch(63.1% 0.158 347.4)
-
Step 600
600
#B63E86
oklch(55.5% 0.172 347.2)
-
Step 700
700
#9C2F71
oklch(49% 0.159 347.3)
-
Step 800
800
#7F295C
oklch(42.7% 0.131 347.5)
-
Step 900
900
#67274C
oklch(37.8% 0.103 347.3)
-
Step 950
950 (this color)
#310D22
oklch(22.8% 0.065 347.4)
#310D22 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) | #111623 | 0.071 |
| Deuteranopia (no green cones) | #1B1D21 | 0.065 |
| Tritanopia (no blue cones) | #350C16 | 0.025 |
| Achromatopsia (no color) | #1A1A1A | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #310D22
#310D22
oklch(22.8% 0.065 347.4)
- #002318
#002318
oklch(22.7% 0.046 167.8)
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 #310D22, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggplant #380835 ΔE 0.042
- Dark Plum #3F012C ΔE 0.042
- Aubergine #3D0734 ΔE 0.045
- Dark Maroon #3C0008 ΔE 0.051
- Very Dark Purple #2A0134 ΔE 0.055
- Dark Purple #35063E ΔE 0.058
- Midnight Purple #280137 ΔE 0.061
- Deep Purple #36013F ΔE 0.064
Use #310D22 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.