#37285A
Closest named color: Prussian Blue (#1D3557). oklch(32.1% 0.087 294.9), rgb(55, 40, 90).
Aa
White text reads best on this color (13.01:1).
About this color
#37285A is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.087 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.053 away. White text reads best on it, at 13.01:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.61:1 |
| White text | 13.01:1 |
Values
| HEX | #37285A |
| RGB | rgb(55, 40, 90) |
| HSL | hsl(258, 38%, 25%) |
| OKLCH | oklch(32.1% 0.087 294.9) |
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 #37285A | 13.01:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #37285A | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #37285A text on white | 13.01:1 | AAA | Lc 99.1 | Preferred for body text |
| #37285A text on black | 1.61:1 | 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
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#EBE6FC
oklch(93.5% 0.03 296.2)
-
Step 200
200
#DBD2FC
oklch(88.4% 0.058 295)
-
Step 300
300
#C5B4FC
oklch(81% 0.102 294.9)
-
Step 400
400
#A989FB
oklch(70.8% 0.164 294.8)
-
Step 500
500
#9665F8
oklch(63.1% 0.21 295)
-
Step 600
600
#8246E7
oklch(55.6% 0.228 294.9)
-
Step 700
700
#6E36C9
oklch(49.1% 0.212 294.7)
-
Step 800
800
#592EA2
oklch(42.6% 0.175 294.8)
-
Step 900
900
#492C81
oklch(37.8% 0.136 294.7)
-
Step 950
950 (this color)
#37285A
oklch(32.1% 0.087 294.9)
#37285A 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) | #14315C | 0.054 |
| Deuteranopia (no green cones) | #183059 | 0.050 |
| Tritanopia (no blue cones) | #2F323D | 0.068 |
| Achromatopsia (no color) | #313131 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37285A
#37285A
oklch(32.1% 0.087 294.9)
- #323700
#323700
oklch(32.1% 0.073 115.3)
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 #37285A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.053
- Space Cadet #2B2D42 ΔE 0.053
- Marine #042E60 ΔE 0.064
- Gunmetal #293241 ΔE 0.065
- Marine Blue #01386A ΔE 0.072
- Dark Blue Grey #1F3B4D ΔE 0.074
- Oxford Blue #1B263B ΔE 0.076
- Plum Purple #4E0550 ΔE 0.078
Use #37285A 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.