#372857
Closest named color: Space Cadet (#2B2D42). oklch(31.9% 0.082 296.2), rgb(55, 40, 87).
Aa
White text reads best on this color (13.09:1).
About this color
#372857 is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.082 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 0.049 away. White text reads best on it, at 13.09:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.60:1 |
| White text | 13.09:1 |
Values
| HEX | #372857 |
| RGB | rgb(55, 40, 87) |
| HSL | hsl(259, 37%, 25%) |
| OKLCH | oklch(31.9% 0.082 296.2) |
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 #372857 | 13.09:1 | AAA | Lc -102.5 | Preferred for body text |
| Black text on #372857 | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #372857 text on white | 13.09:1 | AAA | Lc 99.2 | Preferred for body text |
| #372857 text on black | 1.60:1 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EBE6FB
oklch(93.5% 0.029 296.7)
-
Step 200
200
#DCD3F9
oklch(88.6% 0.053 296.2)
-
Step 300
300
#C6B4F9
oklch(80.9% 0.098 296.1)
-
Step 400
400
#AA8AF5
oklch(70.7% 0.154 296)
-
Step 500
500
#9768F1
oklch(63.1% 0.198 296.1)
-
Step 600
600
#834AE0
oklch(55.7% 0.216 296.1)
-
Step 700
700
#6F39C2
oklch(49% 0.201 296.2)
-
Step 800
800
#5A319D
oklch(42.7% 0.166 296)
-
Step 900
900
#4A2D7D
oklch(37.8% 0.13 296.3)
-
Step 950
950 (this color)
#372857
oklch(31.9% 0.082 296.2)
#372857 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) | #173159 | 0.052 |
| Deuteranopia (no green cones) | #1A3056 | 0.049 |
| Tritanopia (no blue cones) | #30313B | 0.065 |
| Achromatopsia (no color) | #313131 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #372857
#372857
oklch(31.9% 0.082 296.2)
- #313700
#313700
oklch(32% 0.073 116.3)
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 #372857, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.049
- Prussian Blue #1D3557 ΔE 0.052
- Gunmetal #293241 ΔE 0.060
- Marine #042E60 ΔE 0.065
- Dark Blue Grey #1F3B4D ΔE 0.072
- Oxford Blue #1B263B ΔE 0.072
- Marine Blue #01386A ΔE 0.074
- Deep Violet #490648 ΔE 0.077
Use #372857 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.