#31314F
Closest named color: Space Cadet (#2B2D42). oklch(32.8% 0.053 283.1), rgb(49, 49, 79).
Aa
White text reads best on this color (12.47:1).
About this color
#31314F is a dark, muted purple. In OKLCH its lightness is 33%, its chroma 0.053 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.027 away. White text reads best on it, at 12.47:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.68:1 |
| White text | 12.47:1 |
Values
| HEX | #31314F |
| RGB | rgb(49, 49, 79) |
| HSL | hsl(240, 23%, 25%) |
| OKLCH | oklch(32.8% 0.053 283.1) |
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 #31314F | 12.47:1 | AAA | Lc -101.7 | Preferred for body text |
| Black text on #31314F | 1.68:1 | Fails | Lc 0.0 | Not readable |
| #31314F text on white | 12.47:1 | AAA | Lc 98.3 | Preferred for body text |
| #31314F text on black | 1.68:1 | 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
#D7D8E8
oklch(88.6% 0.022 283.1)
-
Step 300
300
#BCBEDA
oklch(80.9% 0.039 282.2)
-
Step 400
400
#9B9CC7
oklch(70.7% 0.063 283.6)
-
Step 500
500
#8283B9
oklch(63% 0.081 283)
-
Step 600
600
#6C6CA5
oklch(55.5% 0.088 283.2)
-
Step 700
700
#5A5A8E
oklch(49% 0.083 282.9)
-
Step 800
800
#4A4A73
oklch(42.7% 0.067 283.2)
-
Step 900
900 (this color)
#31314F
oklch(32.8% 0.053 283.1)
-
Step 950
950
#242436
oklch(26.9% 0.033 283.9)
#31314F 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) | #283550 | 0.017 |
| Deuteranopia (no green cones) | #27334E | 0.017 |
| Tritanopia (no blue cones) | #29373C | 0.047 |
| Achromatopsia (no color) | #343434 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31314F
#31314F
oklch(32.8% 0.053 283.1)
- #3A3613
#3A3613
oklch(32.8% 0.053 102.8)
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 #31314F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.027
- Gunmetal #293241 ΔE 0.030
- Prussian Blue #1D3557 ΔE 0.031
- Dark Blue Grey #1F3B4D ΔE 0.040
- Onyx #343A40 ΔE 0.046
- Midnight Green #073B4C ΔE 0.054
- Marine #042E60 ΔE 0.061
- Oxford Blue #1B263B ΔE 0.062
Use #31314F 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.