#37295B
Closest named color: Prussian Blue (#1D3557). oklch(32.4% 0.086 293.9), rgb(55, 41, 91).
Aa
White text reads best on this color (12.87:1).
About this color
#37295B is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.086 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.052 away. White text reads best on it, at 12.87:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.086) |
| Temperature | in between |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.63:1 |
| White text | 12.87:1 |
Values
| HEX | #37295B |
| RGB | rgb(55, 41, 91) |
| HSL | hsl(257, 38%, 26%) |
| OKLCH | oklch(32.4% 0.086 293.9) |
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 #37295B | 12.87:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #37295B | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #37295B text on white | 12.87:1 | AAA | Lc 98.9 | Preferred for body text |
| #37295B text on black | 1.63:1 | 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
#DAD5EF
oklch(88.5% 0.036 294.5)
-
Step 300
300
#C2B9E7
oklch(80.8% 0.065 293.9)
-
Step 400
400
#A494DB
oklch(70.7% 0.103 293.9)
-
Step 500
500
#8E78D1
oklch(63.1% 0.132 293.6)
-
Step 600
600
#795FBE
oklch(55.6% 0.144 293.8)
-
Step 700
700
#664EA4
oklch(49.1% 0.134 293.8)
-
Step 800
800
#534085
oklch(42.6% 0.111 293.8)
-
Step 900
900 (this color)
#37295B
oklch(32.4% 0.086 293.9)
-
Step 950
950
#28213E
oklch(27.1% 0.053 293.6)
#37295B 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) | #15325D | 0.052 |
| Deuteranopia (no green cones) | #18315A | 0.050 |
| Tritanopia (no blue cones) | #2E333D | 0.070 |
| Achromatopsia (no color) | #323232 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37295B
#37295B
oklch(32.4% 0.086 293.9)
- #343700
#343700
oklch(32.3% 0.072 113.1)
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 #37295B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.052
- Space Cadet #2B2D42 ΔE 0.054
- Marine #042E60 ΔE 0.064
- Gunmetal #293241 ΔE 0.064
- Marine Blue #01386A ΔE 0.070
- Dark Blue Grey #1F3B4D ΔE 0.073
- Oxford Blue #1B263B ΔE 0.077
- Midnight Blue #191970 ΔE 0.079
Use #37295B 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.