#31203C
Closest named color: Space Cadet (#2B2D42). oklch(27.8% 0.055 311.1), rgb(49, 32, 60).
Aa
White text reads best on this color (14.97:1).
About this color
#31203C is a dark, muted purple. In OKLCH its lightness is 28%, its chroma 0.055 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.040 away. White text reads best on it, at 14.97:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | muted (0.055) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.40:1 |
| White text | 14.97:1 |
Values
| HEX | #31203C |
| RGB | rgb(49, 32, 60) |
| HSL | hsl(276, 30%, 18%) |
| OKLCH | oklch(27.8% 0.055 311.1) |
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 #31203C | 14.97:1 | AAA | Lc -104.6 | Preferred for body text |
| Black text on #31203C | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #31203C text on white | 14.97:1 | AAA | Lc 101.8 | Preferred for body text |
| #31203C text on black | 1.40:1 | 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
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EEE7F3
oklch(93.7% 0.018 311.6)
-
Step 200
200
#E1D3EB
oklch(88.5% 0.036 311.4)
-
Step 300
300
#CEB5E0
oklch(80.8% 0.065 311)
-
Step 400
400
#B58ED0
oklch(70.7% 0.103 310.9)
-
Step 500
500
#A370C4
oklch(63% 0.133 311)
-
Step 600
600
#8E57B0
oklch(55.6% 0.144 311.1)
-
Step 700
700
#794797
oklch(49.1% 0.133 311.3)
-
Step 800
800
#623A7B
oklch(42.6% 0.112 310.9)
-
Step 900
900
#503363
oklch(37.7% 0.086 310.7)
-
Step 950
950 (this color)
#31203C
oklch(27.8% 0.055 311.1)
#31203C 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) | #1A263D | 0.043 |
| Deuteranopia (no green cones) | #1F273B | 0.038 |
| Tritanopia (no blue cones) | #30242B | 0.038 |
| Achromatopsia (no color) | #272727 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31203C
#31203C
oklch(27.8% 0.055 311.1)
- #1F2E0F
#1F2E0F
oklch(27.9% 0.055 130.7)
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 #31203C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.040
- Oxford Blue #1B263B ΔE 0.042
- Dark #1B2431 ΔE 0.049
- Jet #212529 ΔE 0.053
- Gunmetal #293241 ΔE 0.057
- Eggplant #380835 ΔE 0.057
- Aubergine #3D0734 ΔE 0.059
- Dark Purple #35063E ΔE 0.061
Use #31203C 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.