#372C51
Closest named color: Space Cadet (#2B2D42). oklch(32.4% 0.065 296.3), rgb(55, 44, 81).
Aa
White text reads best on this color (12.79:1).
About this color
#372C51 is a dark, muted purple. In OKLCH its lightness is 32%, its chroma 0.065 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 0.036 away. White text reads best on it, at 12.79:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.64:1 |
| White text | 12.79:1 |
Values
| HEX | #372C51 |
| RGB | rgb(55, 44, 81) |
| HSL | hsl(258, 30%, 25%) |
| OKLCH | oklch(32.4% 0.065 296.3) |
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 #372C51 | 12.79:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #372C51 | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #372C51 text on white | 12.79:1 | AAA | Lc 98.8 | Preferred for body text |
| #372C51 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
#F6F5F9
oklch(97.2% 0.005 297.7)
-
Step 100
100
#EAE8F2
oklch(93.5% 0.014 295.3)
-
Step 200
200
#DAD6EA
oklch(88.5% 0.028 295)
-
Step 300
300
#C3BBDD
oklch(81% 0.048 296.1)
-
Step 400
400
#A597CC
oklch(70.7% 0.078 296.5)
-
Step 500
500
#8F7CBF
oklch(63% 0.101 296.4)
-
Step 600
600
#7A65AB
oklch(55.7% 0.108 296.6)
-
Step 700
700
#665393
oklch(49% 0.102 296.1)
-
Step 800
800
#534477
oklch(42.5% 0.084 296.2)
-
Step 900
900 (this color)
#372C51
oklch(32.4% 0.065 296.3)
-
Step 950
950
#282238
oklch(26.9% 0.041 296.1)
#372C51 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) | #213252 | 0.038 |
| Deuteranopia (no green cones) | #233250 | 0.036 |
| Tritanopia (no blue cones) | #32333A | 0.053 |
| Achromatopsia (no color) | #323232 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #372C51
#372C51
oklch(32.4% 0.065 296.3)
- #32380A
#32380A
oklch(32.5% 0.066 116.7)
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 #372C51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.036
- Prussian Blue #1D3557 ΔE 0.045
- Gunmetal #293241 ΔE 0.045
- Dark Blue Grey #1F3B4D ΔE 0.058
- Onyx #343A40 ΔE 0.061
- Oxford Blue #1B263B ΔE 0.066
- Marine #042E60 ΔE 0.067
- Midnight Green #073B4C ΔE 0.072
Use #372C51 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.