#31204F
Closest named color: Space Cadet (#2B2D42). oklch(29.1% 0.083 297.7), rgb(49, 32, 79).
Aa
White text reads best on this color (14.48:1).
About this color
#31204F is a dark, moderately saturated purple. In OKLCH its lightness is 29%, its chroma 0.083 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.051 away. White text reads best on it, at 14.48:1.
| Hue family | Purples |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.083) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.45:1 |
| White text | 14.48:1 |
Values
| HEX | #31204F |
| RGB | rgb(49, 32, 79) |
| HSL | hsl(262, 42%, 22%) |
| OKLCH | oklch(29.1% 0.083 297.7) |
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 #31204F | 14.48:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #31204F | 1.45:1 | Fails | Lc 0.0 | Not readable |
| #31204F text on white | 14.48:1 | AAA | Lc 101.1 | Preferred for body text |
| #31204F text on black | 1.45:1 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#ECE6FB
oklch(93.6% 0.029 298.9)
-
Step 200
200
#DDD2FA
oklch(88.5% 0.056 297.8)
-
Step 300
300
#C8B3F9
oklch(80.9% 0.1 297.9)
-
Step 400
400
#AD88F5
oklch(70.6% 0.158 297.9)
-
Step 500
500
#9A66F1
oklch(63.1% 0.201 297.6)
-
Step 600
600
#8647E0
oklch(55.6% 0.22 297.6)
-
Step 700
700
#7237C2
oklch(49.1% 0.203 297.8)
-
Step 800
800
#5C2F9D
oklch(42.6% 0.169 297.5)
-
Step 900
900
#4B2C7D
oklch(37.7% 0.131 297.3)
-
Step 950
950 (this color)
#31204F
oklch(29.1% 0.083 297.7)
#31204F 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) | #0D2951 | 0.056 |
| Deuteranopia (no green cones) | #12294E | 0.053 |
| Tritanopia (no blue cones) | #2A2934 | 0.064 |
| Achromatopsia (no color) | #292929 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31204F
#31204F
oklch(29.1% 0.083 297.7)
- #293000
#293000
oklch(29.2% 0.068 118.1)
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 #31204F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.051
- Oxford Blue #1B263B ΔE 0.059
- Dark Purple #35063E ΔE 0.063
- Prussian Blue #1D3557 ΔE 0.066
- Eggplant Purple #430541 ΔE 0.066
- Gunmetal #293241 ΔE 0.067
- Deep Violet #490648 ΔE 0.068
- Dark Indigo #1F0954 ΔE 0.068
Use #31204F 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.