#312643
Closest named color: Space Cadet (#2B2D42). oklch(29.5% 0.053 300.7), rgb(49, 38, 67).
Aa
White text reads best on this color (14.10:1).
About this color
#312643 is a dark, muted purple. In OKLCH its lightness is 30%, its chroma 0.053 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.024 away. White text reads best on it, at 14.10:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | muted (0.053) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.48:1 |
| White text | 14.10:1 |
Values
| HEX | #312643 |
| RGB | rgb(49, 38, 67) |
| HSL | hsl(263, 28%, 21%) |
| OKLCH | oklch(29.5% 0.053 300.7) |
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 #312643 | 14.10:1 | AAA | Lc -103.7 | Preferred for body text |
| Black text on #312643 | 1.48:1 | Fails | Lc 0.0 | Not readable |
| #312643 text on white | 14.10:1 | AAA | Lc 100.7 | Preferred for body text |
| #312643 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
#ECE7F4
oklch(93.6% 0.018 303.4)
-
Step 200
200
#DDD4ED
oklch(88.5% 0.035 302)
-
Step 300
300
#C7B8E4
oklch(80.9% 0.063 300.6)
-
Step 400
400
#AB92D6
oklch(70.7% 0.101 300.7)
-
Step 500
500
#9776CB
oklch(63.2% 0.128 300.7)
-
Step 600
600
#815DB8
oklch(55.6% 0.14 300.2)
-
Step 700
700
#6E4C9E
oklch(49.2% 0.13 300.9)
-
Step 800
800
#593F80
oklch(42.7% 0.107 300.4)
-
Step 900
900
#493667
oklch(37.7% 0.084 300.3)
-
Step 950
950 (this color)
#312643
oklch(29.5% 0.053 300.7)
#312643 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) | #1F2B44 | 0.033 |
| Deuteranopia (no green cones) | #212B42 | 0.031 |
| Tritanopia (no blue cones) | #2E2B31 | 0.042 |
| Achromatopsia (no color) | #2B2B2B | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #312643
#312643
oklch(29.5% 0.053 300.7)
- #293010
#293010
oklch(29.4% 0.052 120)
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 #312643, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.024
- Gunmetal #293241 ΔE 0.041
- Oxford Blue #1B263B ΔE 0.042
- Dark #1B2431 ΔE 0.053
- Prussian Blue #1D3557 ΔE 0.057
- Jet #212529 ΔE 0.058
- Dark Blue Grey #1F3B4D ΔE 0.068
- Onyx #343A40 ΔE 0.068
Use #312643 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.