#37304D
Closest named color: Space Cadet (#2B2D42). oklch(33% 0.051 294.5), rgb(55, 48, 77).
Aa
White text reads best on this color (12.40:1).
About this color
#37304D is a dark, muted purple. In OKLCH its lightness is 33%, its chroma 0.051 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.031 away. White text reads best on it, at 12.40:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | muted (0.051) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.69:1 |
| White text | 12.40:1 |
Values
| HEX | #37304D |
| RGB | rgb(55, 48, 77) |
| HSL | hsl(254, 23%, 25%) |
| OKLCH | oklch(33% 0.051 294.5) |
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 #37304D | 12.40:1 | AAA | Lc -101.6 | Preferred for body text |
| Black text on #37304D | 1.69:1 | Fails | Lc 0.0 | Not readable |
| #37304D text on white | 12.40:1 | AAA | Lc 98.2 | Preferred for body text |
| #37304D text on black | 1.69:1 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#EAE8F1
oklch(93.5% 0.012 296.3)
-
Step 200
200
#DAD7E6
oklch(88.6% 0.021 295.1)
-
Step 300
300
#C2BCD7
oklch(80.9% 0.038 295.7)
-
Step 400
400
#A29AC4
oklch(70.8% 0.061 293.5)
-
Step 500
500
#8C80B4
oklch(63% 0.078 294.6)
-
Step 600
600
#7669A0
oklch(55.5% 0.085 294.3)
-
Step 700
700
#645789
oklch(49.1% 0.08 295.3)
-
Step 800
800
#51486F
oklch(42.7% 0.064 294.1)
-
Step 900
900 (this color)
#37304D
oklch(33% 0.051 294.5)
-
Step 950
950
#272335
oklch(26.9% 0.033 294.2)
#37304D 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) | #29354E | 0.026 |
| Deuteranopia (no green cones) | #29344C | 0.025 |
| Tritanopia (no blue cones) | #32353B | 0.042 |
| Achromatopsia (no color) | #343434 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37304D
#37304D
oklch(33% 0.051 294.5)
- #353818
#353818
oklch(32.9% 0.05 113.6)
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 #37304D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.031
- Gunmetal #293241 ΔE 0.034
- Prussian Blue #1D3557 ΔE 0.041
- Onyx #343A40 ΔE 0.046
- Dark Blue Grey #1F3B4D ΔE 0.047
- Midnight Green #073B4C ΔE 0.062
- Charcoal Grey #3C4142 ΔE 0.065
- Oxford Blue #1B263B ΔE 0.067
Use #37304D 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.