#372E54
Closest named color: Space Cadet (#2B2D42). oklch(33% 0.066 293.3), rgb(55, 46, 84).
Aa
White text reads best on this color (12.49:1).
About this color
#372E54 is a dark, muted purple. In OKLCH its lightness is 33%, its chroma 0.066 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.040 away. White text reads best on it, at 12.49:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | muted (0.066) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.68:1 |
| White text | 12.49:1 |
Values
| HEX | #372E54 |
| RGB | rgb(55, 46, 84) |
| HSL | hsl(254, 29%, 25%) |
| OKLCH | oklch(33% 0.066 293.3) |
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 #372E54 | 12.49:1 | AAA | Lc -101.7 | Preferred for body text |
| Black text on #372E54 | 1.68:1 | Fails | Lc 0.0 | Not readable |
| #372E54 text on white | 12.49:1 | AAA | Lc 98.3 | Preferred for body text |
| #372E54 text on black | 1.68:1 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#EAE8F3
oklch(93.6% 0.015 294.5)
-
Step 200
200
#D9D6EA
oklch(88.4% 0.027 292.7)
-
Step 300
300
#C1BBDE
oklch(80.8% 0.049 293.1)
-
Step 400
400
#A297CE
oklch(70.6% 0.08 293.4)
-
Step 500
500
#8C7DC1
oklch(63% 0.102 293.4)
-
Step 600
600
#7766AE
oklch(55.7% 0.11 293.4)
-
Step 700
700
#645495
oklch(49.1% 0.103 293.6)
-
Step 800
800
#514579
oklch(42.7% 0.085 293.1)
-
Step 900
900 (this color)
#372E54
oklch(33% 0.066 293.3)
-
Step 950
950
#272239
oklch(26.9% 0.042 293.3)
#372E54 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) | #233455 | 0.034 |
| Deuteranopia (no green cones) | #243353 | 0.033 |
| Tritanopia (no blue cones) | #30353D | 0.054 |
| Achromatopsia (no color) | #343434 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #372E54
#372E54
oklch(33% 0.066 293.3)
- #353909
#353909
oklch(33% 0.067 114.2)
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 #372E54, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.040
- Prussian Blue #1D3557 ΔE 0.042
- Gunmetal #293241 ΔE 0.047
- Dark Blue Grey #1F3B4D ΔE 0.056
- Onyx #343A40 ΔE 0.060
- Marine #042E60 ΔE 0.065
- Marine Blue #01386A ΔE 0.068
- Midnight Green #073B4C ΔE 0.070
Use #372E54 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.