#37295E
Closest named color: Prussian Blue (#1D3557). oklch(32.6% 0.091 292.8), rgb(55, 41, 94).
Aa
White text reads best on this color (12.79:1).
About this color
#37295E is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.091 and its hue 293°. 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 12.79:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.64:1 |
| White text | 12.79:1 |
Values
| HEX | #37295E |
| RGB | rgb(55, 41, 94) |
| HSL | hsl(256, 39%, 26%) |
| OKLCH | oklch(32.6% 0.091 292.8) |
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 #37295E | 12.79:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #37295E | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #37295E text on white | 12.79:1 | AAA | Lc 98.7 | Preferred for body text |
| #37295E text on black | 1.64:1 | 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
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#EAE8F6
oklch(93.7% 0.019 292.6)
-
Step 200
200
#D9D5F1
oklch(88.5% 0.038 292.2)
-
Step 300
300
#C1B9E9
oklch(80.8% 0.068 292.5)
-
Step 400
400
#A393DF
oklch(70.6% 0.11 293)
-
Step 500
500
#8D77D5
oklch(63% 0.139 292.7)
-
Step 600
600
#785EC3
oklch(55.6% 0.152 292.6)
-
Step 700
700
#654DA8
oklch(49.1% 0.14 292.6)
-
Step 800
800
#534088
oklch(42.8% 0.116 293)
-
Step 900
900 (this color)
#37295E
oklch(32.6% 0.091 292.8)
-
Step 950
950
#282040
oklch(27% 0.059 293.6)
#37295E 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) | #123360 | 0.055 |
| Deuteranopia (no green cones) | #15315D | 0.052 |
| Tritanopia (no blue cones) | #2D343F | 0.074 |
| Achromatopsia (no color) | #323232 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37295E
#37295E
oklch(32.6% 0.091 292.8)
- #353800
#353800
oklch(32.7% 0.073 113.1)
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 #37295E, 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 0.059
- Marine #042E60 ΔE 0.063
- Gunmetal #293241 ΔE 0.068
- Marine Blue #01386A ΔE 0.069
- Dark Blue Grey #1F3B4D ΔE 0.075
- Midnight Blue #191970 ΔE 0.076
- Royal Purple #4B006E ΔE 0.080
Use #37295E 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.