#312640
Closest named color: Space Cadet (#2B2D42). oklch(29.3% 0.048 303), rgb(49, 38, 64).
Aa
White text reads best on this color (14.17:1).
About this color
#312640 is a dark, muted purple. In OKLCH its lightness is 29%, its chroma 0.048 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.023 away. White text reads best on it, at 14.17:1.
| Hue family | Purples |
| Lightness | dark (29%) |
| Chroma | muted (0.048) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.48:1 |
| White text | 14.17:1 |
Values
| HEX | #312640 |
| RGB | rgb(49, 38, 64) |
| HSL | hsl(265, 25%, 20%) |
| OKLCH | oklch(29.3% 0.048 303) |
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 #312640 | 14.17:1 | AAA | Lc -103.8 | Preferred for body text |
| Black text on #312640 | 1.48:1 | Fails | Lc 0.0 | Not readable |
| #312640 text on white | 14.17:1 | AAA | Lc 100.8 | Preferred for body text |
| #312640 text on black | 1.48:1 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#ECE7F3
oklch(93.5% 0.017 304.8)
-
Step 200
200
#DDD4EB
oklch(88.4% 0.033 303.4)
-
Step 300
300
#C8B8E0
oklch(80.9% 0.058 303.3)
-
Step 400
400
#AC93D0
oklch(70.8% 0.091 302.9)
-
Step 500
500
#9877C3
oklch(63.1% 0.116 303.2)
-
Step 600
600
#835FB0
oklch(55.7% 0.127 303)
-
Step 700
700
#6F4E97
oklch(49.2% 0.117 303.2)
-
Step 800
800
#5A407B
oklch(42.7% 0.098 302.8)
-
Step 900
900
#4A3763
oklch(37.8% 0.076 302.8)
-
Step 950
950 (this color)
#312640
oklch(29.3% 0.048 303)
#312640 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) | #202B41 | 0.031 |
| Deuteranopia (no green cones) | #222B3F | 0.030 |
| Tritanopia (no blue cones) | #2F2A30 | 0.036 |
| Achromatopsia (no color) | #2B2B2B | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #312640
#312640
oklch(29.3% 0.048 303)
- #283013
#283013
oklch(29.4% 0.049 122.2)
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 #312640, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.023
- Gunmetal #293241 ΔE 0.040
- Oxford Blue #1B263B ΔE 0.040
- Dark #1B2431 ΔE 0.050
- Jet #212529 ΔE 0.054
- Prussian Blue #1D3557 ΔE 0.059
- Onyx #343A40 ΔE 0.067
- Dark Blue Grey #1F3B4D ΔE 0.068
Use #312640 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.