#312243
Closest named color: Space Cadet (#2B2D42). oklch(28.6% 0.061 303.7), rgb(49, 34, 67).
Aa
White text reads best on this color (14.57:1).
About this color
#312243 is a dark, muted purple. In OKLCH its lightness is 29%, its chroma 0.061 and its hue 304°. 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 14.57:1.
| Hue family | Purples |
| Lightness | dark (29%) |
| Chroma | muted (0.061) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.44:1 |
| White text | 14.57:1 |
Values
| HEX | #312243 |
| RGB | rgb(49, 34, 67) |
| HSL | hsl(267, 33%, 20%) |
| OKLCH | oklch(28.6% 0.061 303.7) |
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 #312243 | 14.57:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #312243 | 1.44:1 | Fails | Lc 0.0 | Not readable |
| #312243 text on white | 14.57:1 | AAA | Lc 101.3 | Preferred for body text |
| #312243 text on black | 1.44:1 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EDE7F6
oklch(93.7% 0.021 304)
-
Step 200
200
#DED3EF
oklch(88.4% 0.04 303.4)
-
Step 300
300
#CAB6E7
oklch(80.9% 0.071 303.4)
-
Step 400
400
#B08EDC
oklch(70.7% 0.117 303.6)
-
Step 500
500
#9D70D2
oklch(63.2% 0.148 303.6)
-
Step 600
600
#8856BF
oklch(55.6% 0.161 303.6)
-
Step 700
700
#7445A5
oklch(49.1% 0.151 303.9)
-
Step 800
800
#5E3A85
oklch(42.7% 0.123 303.8)
-
Step 900
900
#4D326B
oklch(37.7% 0.098 304)
-
Step 950
950 (this color)
#312243
oklch(28.6% 0.061 303.7)
#312243 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) | #192844 | 0.043 |
| Deuteranopia (no green cones) | #1D2942 | 0.039 |
| Tritanopia (no blue cones) | #2E282F | 0.047 |
| Achromatopsia (no color) | #292929 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #312243
#312243
oklch(28.6% 0.061 303.7)
- #242F08
#242F08
oklch(28.5% 0.061 123.9)
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 #312243, 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 0.044
- Gunmetal #293241 ΔE 0.053
- Dark #1B2431 ΔE 0.055
- Jet #212529 ΔE 0.061
- Eggplant #380835 ΔE 0.064
- Dark Purple #35063E ΔE 0.065
- Prussian Blue #1D3557 ΔE 0.066
Use #312243 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.