#31314E
Closest named color: Space Cadet (#2B2D42). oklch(32.7% 0.051 283.2), rgb(49, 49, 78).
Aa
White text reads best on this color (12.50:1).
About this color
#31314E is a dark, muted purple. In OKLCH its lightness is 33%, its chroma 0.051 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.026 away. White text reads best on it, at 12.50:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.67:1 |
| White text | 12.50:1 |
Values
| HEX | #31314E |
| RGB | rgb(49, 49, 78) |
| HSL | hsl(240, 23%, 25%) |
| OKLCH | oklch(32.7% 0.051 283.2) |
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 #31314E | 12.50:1 | AAA | Lc -101.8 | Preferred for body text |
| Black text on #31314E | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #31314E text on white | 12.50:1 | AAA | Lc 98.4 | Preferred for body text |
| #31314E 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
#E8E9F1
oklch(93.6% 0.011 280.5)
-
Step 200
200
#D7D8E7
oklch(88.6% 0.02 282.9)
-
Step 300
300
#BDBED9
oklch(80.9% 0.038 283.8)
-
Step 400
400
#9B9CC6
oklch(70.7% 0.061 283.7)
-
Step 500
500
#8383B8
oklch(63% 0.079 283.9)
-
Step 600
600
#6C6DA4
oklch(55.7% 0.085 282.5)
-
Step 700
700
#5B5A8C
oklch(49% 0.079 284)
-
Step 800
800
#4A4A72
oklch(42.7% 0.066 283.3)
-
Step 900
900 (this color)
#31314E
oklch(32.7% 0.051 283.2)
-
Step 950
950
#242436
oklch(26.9% 0.033 283.9)
#31314E 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) | #28354F | 0.017 |
| Deuteranopia (no green cones) | #27334D | 0.017 |
| Tritanopia (no blue cones) | #29363C | 0.043 |
| Achromatopsia (no color) | #343434 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31314E
#31314E
oklch(32.7% 0.051 283.2)
- #393614
#393614
oklch(32.7% 0.052 104.2)
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 #31314E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.026
- Gunmetal #293241 ΔE 0.029
- Prussian Blue #1D3557 ΔE 0.031
- Dark Blue Grey #1F3B4D ΔE 0.039
- Onyx #343A40 ΔE 0.045
- Midnight Green #073B4C ΔE 0.053
- Oxford Blue #1B263B ΔE 0.061
- Marine #042E60 ΔE 0.062
Use #31314E 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.