#312147
Closest named color: Space Cadet (#2B2D42). oklch(28.7% 0.069 301.6), rgb(49, 33, 71).
Aa
White text reads best on this color (14.59:1).
About this color
#312147 is a dark, muted purple. In OKLCH its lightness is 29%, its chroma 0.069 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.041 away. White text reads best on it, at 14.59:1.
| Hue family | Purples |
| Lightness | dark (29%) |
| Chroma | muted (0.069) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.43:1 |
| White text | 14.59:1 |
Values
| HEX | #312147 |
| RGB | rgb(49, 33, 71) |
| HSL | hsl(265, 37%, 20%) |
| OKLCH | oklch(28.7% 0.069 301.6) |
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 #312147 | 14.59:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #312147 | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #312147 text on white | 14.59:1 | AAA | Lc 101.3 | Preferred for body text |
| #312147 text on black | 1.43:1 | 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#ECE6F8
oklch(93.5% 0.025 301.1)
-
Step 200
200
#DED3F3
oklch(88.6% 0.045 301.1)
-
Step 300
300
#CAB5EE
oklch(81% 0.082 301.4)
-
Step 400
400
#AF8CE5
oklch(70.7% 0.131 301.2)
-
Step 500
500
#9D6CDD
oklch(63.1% 0.168 301.8)
-
Step 600
600
#8851CB
oklch(55.7% 0.183 301.5)
-
Step 700
700
#7341AF
oklch(49.1% 0.169 301.3)
-
Step 800
800
#5E368E
oklch(42.7% 0.141 301.6)
-
Step 900
900
#4D3071
oklch(37.7% 0.109 302)
-
Step 950
950 (this color)
#312147
oklch(28.7% 0.069 301.6)
#312147 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) | #162948 | 0.048 |
| Deuteranopia (no green cones) | #192946 | 0.045 |
| Tritanopia (no blue cones) | #2D2830 | 0.054 |
| Achromatopsia (no color) | #292929 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #312147
#312147
oklch(28.7% 0.069 301.6)
- #252F00
#252F00
oklch(28.5% 0.069 121.5)
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 #312147, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.041
- Oxford Blue #1B263B ΔE 0.049
- Gunmetal #293241 ΔE 0.058
- Dark #1B2431 ΔE 0.061
- Dark Purple #35063E ΔE 0.062
- Eggplant #380835 ΔE 0.063
- Eggplant Purple #430541 ΔE 0.065
- Prussian Blue #1D3557 ΔE 0.066
Use #312147 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.