#31273F
Closest named color: Space Cadet (#2B2D42). oklch(29.5% 0.045 302.9), rgb(49, 39, 63).
Aa
White text reads best on this color (14.06:1).
About this color
#31273F is a dark, muted purple. In OKLCH its lightness is 30%, its chroma 0.045 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.020 away. White text reads best on it, at 14.06:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.49:1 |
| White text | 14.06:1 |
Values
| HEX | #31273F |
| RGB | rgb(49, 39, 63) |
| HSL | hsl(265, 24%, 20%) |
| OKLCH | oklch(29.5% 0.045 302.9) |
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 #31273F | 14.06:1 | AAA | Lc -103.7 | Preferred for body text |
| Black text on #31273F | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #31273F text on white | 14.06:1 | AAA | Lc 100.7 | Preferred for body text |
| #31273F text on black | 1.49:1 | 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#ECE8F3
oklch(93.7% 0.015 302.5)
-
Step 200
200
#DDD5EA
oklch(88.6% 0.03 303)
-
Step 300
300
#C7B9DD
oklch(80.9% 0.052 302.9)
-
Step 400
400
#AB94CC
oklch(70.7% 0.084 303.1)
-
Step 500
500
#9779BF
oklch(63.2% 0.107 303.2)
-
Step 600
600
#8161AB
oklch(55.6% 0.116 302.7)
-
Step 700
700
#6D5093
oklch(49.1% 0.108 302.6)
-
Step 800
800
#594177
oklch(42.6% 0.091 303.3)
-
Step 900
900
#493860
oklch(37.7% 0.069 302.8)
-
Step 950
950 (this color)
#31273F
oklch(29.5% 0.045 302.9)
#31273F 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) | #222B40 | 0.027 |
| Deuteranopia (no green cones) | #242B3E | 0.025 |
| Tritanopia (no blue cones) | #2F2B30 | 0.035 |
| Achromatopsia (no color) | #2B2B2B | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31273F
#31273F
oklch(29.5% 0.045 302.9)
- #283016
#283016
oklch(29.4% 0.045 123.2)
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 #31273F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.020
- Gunmetal #293241 ΔE 0.036
- Oxford Blue #1B263B ΔE 0.040
- Dark #1B2431 ΔE 0.049
- Jet #212529 ΔE 0.052
- Prussian Blue #1D3557 ΔE 0.058
- Onyx #343A40 ΔE 0.063
- Dark Blue Grey #1F3B4D ΔE 0.065
Use #31273F 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.