#31274A
Closest named color: Space Cadet (#2B2D42). oklch(30.2% 0.063 295.6), rgb(49, 39, 74).
Aa
White text reads best on this color (13.81:1).
About this color
#31274A is a dark, muted purple. In OKLCH its lightness is 30%, its chroma 0.063 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.028 away. White text reads best on it, at 13.81:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | muted (0.063) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.51:1 |
| White text | 13.81:1 |
Values
| HEX | #31274A |
| RGB | rgb(49, 39, 74) |
| HSL | hsl(257, 31%, 22%) |
| OKLCH | oklch(30.2% 0.063 295.6) |
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 #31274A | 13.81:1 | AAA | Lc -103.4 | Preferred for body text |
| Black text on #31274A | 1.51:1 | Fails | Lc 0.0 | Not readable |
| #31274A text on white | 13.81:1 | AAA | Lc 100.3 | Preferred for body text |
| #31274A text on black | 1.51:1 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EBE7F7
oklch(93.6% 0.022 297.4)
-
Step 200
200
#DBD4F2
oklch(88.5% 0.041 296.2)
-
Step 300
300
#C4B8EC
oklch(81% 0.073 295.3)
-
Step 400
400
#A791E2
oklch(70.8% 0.118 295.7)
-
Step 500
500
#9273DA
oklch(63.1% 0.152 295.6)
-
Step 600
600
#7D59C7
oklch(55.5% 0.165 295.6)
-
Step 700
700
#6A49AC
oklch(49.2% 0.152 295.7)
-
Step 800
800
#563C8C
oklch(42.7% 0.128 295.5)
-
Step 900
900
#473470
oklch(37.7% 0.1 295.8)
-
Step 950
950 (this color)
#31274A
oklch(30.2% 0.063 295.6)
#31274A 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) | #1D2D4B | 0.035 |
| Deuteranopia (no green cones) | #1E2C49 | 0.034 |
| Tritanopia (no blue cones) | #2C2D35 | 0.049 |
| Achromatopsia (no color) | #2D2D2D | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31274A
#31274A
oklch(30.2% 0.063 295.6)
- #2D3206
#2D3206
oklch(30.2% 0.063 116)
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 #31274A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.028
- Gunmetal #293241 ΔE 0.044
- Oxford Blue #1B263B ΔE 0.048
- Prussian Blue #1D3557 ΔE 0.050
- Dark #1B2431 ΔE 0.062
- Marine #042E60 ΔE 0.065
- Dark Blue Grey #1F3B4D ΔE 0.066
- Jet #212529 ΔE 0.069
Use #31274A 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.