#372840
Closest named color: Space Cadet (#2B2D42). oklch(30.5% 0.047 312.3), rgb(55, 40, 64).
Aa
White text reads best on this color (13.63:1).
About this color
#372840 is a dark, muted purple. In OKLCH its lightness is 30%, its chroma 0.047 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.025 away. White text reads best on it, at 13.63:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | muted (0.047) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.53:1 |
| White text | 13.63:1 |
Values
| HEX | #372840 |
| RGB | rgb(55, 40, 64) |
| HSL | hsl(278, 23%, 20%) |
| OKLCH | oklch(30.5% 0.047 312.3) |
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 #372840 | 13.63:1 | AAA | Lc -103.2 | Preferred for body text |
| Black text on #372840 | 1.53:1 | Fails | Lc 0.0 | Not readable |
| #372840 text on white | 13.63:1 | AAA | Lc 100.1 | Preferred for body text |
| #372840 text on black | 1.53:1 | 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 950.
-
Step 50
50
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EDE7F2
oklch(93.6% 0.016 310.1)
-
Step 200
200
#E0D4E8
oklch(88.6% 0.03 312.1)
-
Step 300
300
#CDB7DB
oklch(80.9% 0.055 312.3)
-
Step 400
400
#B391C9
oklch(70.7% 0.088 311.7)
-
Step 500
500
#A174BB
oklch(63.1% 0.114 312.5)
-
Step 600
600
#8B5CA7
oklch(55.6% 0.123 311.8)
-
Step 700
700
#764B8F
oklch(49% 0.115 312)
-
Step 800
800
#603E74
oklch(42.6% 0.095 312)
-
Step 900
900
#4F355E
oklch(37.7% 0.075 312.3)
-
Step 950
950 (this color)
#372840
oklch(30.5% 0.047 312.3)
#372840 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) | #242D41 | 0.035 |
| Deuteranopia (no green cones) | #272E3F | 0.033 |
| Tritanopia (no blue cones) | #362B31 | 0.032 |
| Achromatopsia (no color) | #2E2E2E | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #372840
#372840
oklch(30.5% 0.047 312.3)
- #26341B
#26341B
oklch(30.5% 0.046 132.4)
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 #372840, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.025
- Gunmetal #293241 ΔE 0.038
- Oxford Blue #1B263B ΔE 0.052
- Onyx #343A40 ΔE 0.058
- Prussian Blue #1D3557 ΔE 0.060
- Dark #1B2431 ΔE 0.061
- Jet #212529 ΔE 0.061
- Dark Blue Grey #1F3B4D ΔE 0.065
Use #372840 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.