#31253A
Closest named color: Space Cadet (#2B2D42). oklch(28.8% 0.041 310), rgb(49, 37, 58).
Aa
White text reads best on this color (14.41:1).
About this color
#31253A is a dark, muted purple. In OKLCH its lightness is 29%, its chroma 0.041 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.027 away. White text reads best on it, at 14.41:1.
| Hue family | Purples |
| Lightness | dark (29%) |
| Chroma | muted (0.041) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.45:1 |
| White text | 14.41:1 |
Values
| HEX | #31253A |
| RGB | rgb(49, 37, 58) |
| HSL | hsl(274, 22%, 19%) |
| OKLCH | oklch(28.8% 0.041 310) |
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 #31253A | 14.41:1 | AAA | Lc -104.1 | Preferred for body text |
| Black text on #31253A | 1.45:1 | Fails | Lc 0.0 | Not readable |
| #31253A text on white | 14.41:1 | AAA | Lc 101.2 | Preferred for body text |
| #31253A text on black | 1.45:1 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EDE7F1
oklch(93.6% 0.015 312.2)
-
Step 200
200
#DFD5E7
oklch(88.6% 0.027 310.4)
-
Step 300
300
#CAB8D8
oklch(80.8% 0.048 310.4)
-
Step 400
400
#AF93C5
oklch(70.6% 0.078 309.8)
-
Step 500
500
#9C78B6
oklch(63.1% 0.099 310.3)
-
Step 600
600
#8760A2
oklch(55.6% 0.108 310.4)
-
Step 700
700
#724F8B
oklch(49% 0.101 310)
-
Step 800
800
#5D4171
oklch(42.7% 0.084 310.1)
-
Step 900
900
#4C375B
oklch(37.6% 0.065 310.3)
-
Step 950
950 (this color)
#31253A
oklch(28.8% 0.041 310)
#31253A 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) | #21293B | 0.030 |
| Deuteranopia (no green cones) | #242A39 | 0.028 |
| Tritanopia (no blue cones) | #30282D | 0.029 |
| Achromatopsia (no color) | #2A2A2A | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31253A
#31253A
oklch(28.8% 0.041 310)
- #242F19
#242F19
oklch(28.8% 0.041 130.2)
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 #31253A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.027
- Oxford Blue #1B263B ΔE 0.038
- Gunmetal #293241 ΔE 0.042
- Dark #1B2431 ΔE 0.044
- Jet #212529 ΔE 0.045
- Prussian Blue #1D3557 ΔE 0.067
- Onyx #343A40 ΔE 0.068
- Eggplant #380835 ΔE 0.072
Use #31253A 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.