#312B44
Closest named color: Space Cadet (#2B2D42). oklch(30.7% 0.045 294.6), rgb(49, 43, 68).
Aa
White text reads best on this color (13.46:1).
About this color
#312B44 is a dark, muted purple. In OKLCH its lightness is 31%, its chroma 0.045 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.013 away. White text reads best on it, at 13.46:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.55:1 |
| White text | 13.46:1 |
Values
| HEX | #312B44 |
| RGB | rgb(49, 43, 68) |
| HSL | hsl(254, 23%, 22%) |
| OKLCH | oklch(30.7% 0.045 294.6) |
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 #312B44 | 13.46:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #312B44 | 1.55:1 | Fails | Lc 0.0 | Not readable |
| #312B44 text on white | 13.46:1 | AAA | Lc 99.9 | Preferred for body text |
| #312B44 text on black | 1.55:1 | 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
#F6F5FA
oklch(97.2% 0.007 295.5)
-
Step 100
100
#EAE8F3
oklch(93.6% 0.015 294.5)
-
Step 200
200
#DAD6EB
oklch(88.6% 0.029 294.5)
-
Step 300
300
#C2BAE0
oklch(80.8% 0.054 294.8)
-
Step 400
400
#A496D1
oklch(70.7% 0.086 295)
-
Step 500
500
#8E7CC4
oklch(63.2% 0.108 294.6)
-
Step 600
600
#7864B1
oklch(55.6% 0.118 294.2)
-
Step 700
700
#655298
oklch(49% 0.11 294.5)
-
Step 800
800
#53447B
oklch(42.8% 0.09 294.9)
-
Step 900
900
#443963
oklch(37.6% 0.071 294.8)
-
Step 950
950 (this color)
#312B44
oklch(30.7% 0.045 294.6)
#312B44 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) | #252F45 | 0.022 |
| Deuteranopia (no green cones) | #252E43 | 0.022 |
| Tritanopia (no blue cones) | #2D2F34 | 0.037 |
| Achromatopsia (no color) | #2F2F2F | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #312B44
#312B44
oklch(30.7% 0.045 294.6)
- #2F3217
#2F3217
oklch(30.7% 0.044 114.2)
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 #312B44, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.013
- Gunmetal #293241 ΔE 0.027
- Oxford Blue #1B263B ΔE 0.045
- Prussian Blue #1D3557 ΔE 0.047
- Onyx #343A40 ΔE 0.053
- Dark Blue Grey #1F3B4D ΔE 0.053
- Dark #1B2431 ΔE 0.057
- Jet #212529 ΔE 0.060
Use #312B44 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.