#312237
Closest named color: Space Cadet (#2B2D42). oklch(27.9% 0.043 316), rgb(49, 34, 55).
Aa
White text reads best on this color (14.84:1).
About this color
#312237 is a dark, muted purple. In OKLCH its lightness is 28%, its chroma 0.043 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.036 away. White text reads best on it, at 14.84:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | muted (0.043) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.41:1 |
| White text | 14.84:1 |
Values
| HEX | #312237 |
| RGB | rgb(49, 34, 55) |
| HSL | hsl(283, 24%, 17%) |
| OKLCH | oklch(27.9% 0.043 316) |
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 #312237 | 14.84:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #312237 | 1.41:1 | Fails | Lc 0.0 | Not readable |
| #312237 text on white | 14.84:1 | AAA | Lc 101.7 | Preferred for body text |
| #312237 text on black | 1.41:1 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EEE7F1
oklch(93.6% 0.015 316)
-
Step 200
200
#E1D4E6
oklch(88.6% 0.028 316.7)
-
Step 300
300
#CEB7D7
oklch(80.9% 0.051 316.5)
-
Step 400
400
#B591C3
oklch(70.7% 0.082 316.4)
-
Step 500
500
#A275B4
oklch(63% 0.105 316)
-
Step 600
600
#8D5DA0
oklch(55.6% 0.114 315.9)
-
Step 700
700
#784C88
oklch(49% 0.105 316.6)
-
Step 800
800
#613F6F
oklch(42.7% 0.087 315.6)
-
Step 900
900
#50365A
oklch(37.8% 0.068 316.3)
-
Step 950
950 (this color)
#312237
oklch(27.9% 0.043 316)
#312237 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) | #1F2738 | 0.035 |
| Deuteranopia (no green cones) | #222836 | 0.033 |
| Tritanopia (no blue cones) | #31252A | 0.029 |
| Achromatopsia (no color) | #272727 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #312237
#312237
oklch(27.9% 0.043 316)
- #1F2E18
#1F2E18
oklch(28.1% 0.044 136.2)
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 #312237, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.036
- Oxford Blue #1B263B ΔE 0.040
- Dark #1B2431 ΔE 0.043
- Jet #212529 ΔE 0.044
- Gunmetal #293241 ΔE 0.051
- Eggplant #380835 ΔE 0.064
- Aubergine #3D0734 ΔE 0.066
- Dark Purple #35063E ΔE 0.071
Use #312237 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.