#372D55
Closest named color: Space Cadet (#2B2D42). oklch(32.8% 0.07 293.7), rgb(55, 45, 85).
Aa
White text reads best on this color (12.58:1).
About this color
#372D55 is a dark, muted purple. In OKLCH its lightness is 33%, its chroma 0.070 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.041 away. White text reads best on it, at 12.58:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | muted (0.070) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.66:1 |
| White text | 12.58:1 |
Values
| HEX | #372D55 |
| RGB | rgb(55, 45, 85) |
| HSL | hsl(255, 31%, 25%) |
| OKLCH | oklch(32.8% 0.07 293.7) |
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 #372D55 | 12.58:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #372D55 | 1.66:1 | Fails | Lc 0.0 | Not readable |
| #372D55 text on white | 12.58:1 | AAA | Lc 98.5 | Preferred for body text |
| #372D55 text on black | 1.66:1 | 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
#DAD6EB
oklch(88.6% 0.029 294.5)
-
Step 300
300
#C2BBE0
oklch(81% 0.052 293.9)
-
Step 400
400
#A397D0
oklch(70.7% 0.083 293.8)
-
Step 500
500
#8D7CC4
oklch(63.1% 0.107 293.9)
-
Step 600
600
#7764B0
oklch(55.5% 0.116 293.8)
-
Step 700
700
#645398
oklch(49.1% 0.109 293.3)
-
Step 800
800
#52447B
oklch(42.7% 0.09 294)
-
Step 900
900 (this color)
#372D55
oklch(32.8% 0.07 293.7)
-
Step 950
950
#27223A
oklch(26.9% 0.044 292.7)
#372D55 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) | #213456 | 0.038 |
| Deuteranopia (no green cones) | #223354 | 0.036 |
| Tritanopia (no blue cones) | #30343D | 0.055 |
| Achromatopsia (no color) | #333333 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #372D55
#372D55
oklch(32.8% 0.07 293.7)
- #353804
#353804
oklch(32.7% 0.07 113.1)
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 #372D55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.041
- Prussian Blue #1D3557 ΔE 0.043
- Gunmetal #293241 ΔE 0.049
- Dark Blue Grey #1F3B4D ΔE 0.059
- Onyx #343A40 ΔE 0.063
- Marine #042E60 ΔE 0.065
- Marine Blue #01386A ΔE 0.068
- Oxford Blue #1B263B ΔE 0.071
Use #372D55 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.