#31314C
Closest named color: Space Cadet (#2B2D42). oklch(32.6% 0.048 283.4), rgb(49, 49, 76).
Aa
White text reads best on this color (12.54:1).
About this color
#31314C is a dark, muted purple. In OKLCH its lightness is 33%, its chroma 0.048 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.023 away. White text reads best on it, at 12.54:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.67:1 |
| White text | 12.54:1 |
Values
| HEX | #31314C |
| RGB | rgb(49, 49, 76) |
| HSL | hsl(240, 22%, 25%) |
| OKLCH | oklch(32.6% 0.048 283.4) |
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 #31314C | 12.54:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #31314C | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #31314C text on white | 12.54:1 | AAA | Lc 98.5 | Preferred for body text |
| #31314C text on black | 1.67:1 | 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 900.
-
Step 50
50
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E9E9F1
oklch(93.6% 0.011 286.2)
-
Step 200
200
#D7D8E6
oklch(88.6% 0.019 282.7)
-
Step 300
300
#BDBED8
oklch(80.9% 0.036 283.8)
-
Step 400
400
#9B9CC4
oklch(70.6% 0.058 283.7)
-
Step 500
500
#8384B5
oklch(63.1% 0.073 283.2)
-
Step 600
600
#6D6DA0
oklch(55.6% 0.079 283.5)
-
Step 700
700
#5B5B89
oklch(49.1% 0.073 283.4)
-
Step 800
800
#4A4A70
oklch(42.6% 0.063 283.4)
-
Step 900
900 (this color)
#31314C
oklch(32.6% 0.048 283.4)
-
Step 950
950
#242535
oklch(27.1% 0.03 281.4)
#31314C 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) | #29344D | 0.015 |
| Deuteranopia (no green cones) | #28334B | 0.015 |
| Tritanopia (no blue cones) | #2A363B | 0.041 |
| Achromatopsia (no color) | #333333 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31314C
#31314C
oklch(32.6% 0.048 283.4)
- #393517
#393517
oklch(32.5% 0.047 101.8)
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 #31314C, 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 0.026
- Prussian Blue #1D3557 ΔE 0.033
- Dark Blue Grey #1F3B4D ΔE 0.038
- Onyx #343A40 ΔE 0.042
- Midnight Green #073B4C ΔE 0.052
- Oxford Blue #1B263B ΔE 0.059
- Marine #042E60 ΔE 0.064
Use #31314C 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.