#37273F
Closest named color: Space Cadet (#2B2D42). oklch(30.2% 0.047 314), rgb(55, 39, 63).
Aa
White text reads best on this color (13.77:1).
About this color
#37273F is a dark, muted purple. In OKLCH its lightness is 30%, its chroma 0.047 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.027 away. White text reads best on it, at 13.77:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | muted (0.047) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.52:1 |
| White text | 13.77:1 |
Values
| HEX | #37273F |
| RGB | rgb(55, 39, 63) |
| HSL | hsl(280, 24%, 20%) |
| OKLCH | oklch(30.2% 0.047 314) |
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 #37273F | 13.77:1 | AAA | Lc -103.4 | Preferred for body text |
| Black text on #37273F | 1.52:1 | Fails | Lc 0.0 | Not readable |
| #37273F text on white | 13.77:1 | AAA | Lc 100.3 | Preferred for body text |
| #37273F text on black | 1.52:1 | 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
#EEE7F2
oklch(93.7% 0.016 313.6)
-
Step 200
200
#E1D3E8
oklch(88.4% 0.032 314.7)
-
Step 300
300
#CEB6DA
oklch(80.8% 0.056 314.5)
-
Step 400
400
#B590C8
oklch(70.7% 0.09 314)
-
Step 500
500
#A374BA
oklch(63.2% 0.114 314.1)
-
Step 600
600
#8D5BA6
oklch(55.6% 0.124 313.6)
-
Step 700
700
#784A8E
oklch(49% 0.116 314)
-
Step 800
800
#623D73
oklch(42.6% 0.096 314.4)
-
Step 900
900
#50355D
oklch(37.8% 0.074 314.2)
-
Step 950
950 (this color)
#37273F
oklch(30.2% 0.047 314)
#37273F 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) | #232C40 | 0.037 |
| Deuteranopia (no green cones) | #272D3E | 0.033 |
| Tritanopia (no blue cones) | #362A30 | 0.032 |
| Achromatopsia (no color) | #2D2D2D | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37273F
#37273F
oklch(30.2% 0.047 314)
- #24341B
#24341B
oklch(30.3% 0.048 135)
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 #37273F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.027
- Gunmetal #293241 ΔE 0.040
- Oxford Blue #1B263B ΔE 0.051
- Dark #1B2431 ΔE 0.059
- Jet #212529 ΔE 0.060
- Onyx #343A40 ΔE 0.061
- Prussian Blue #1D3557 ΔE 0.063
- Dark Blue Grey #1F3B4D ΔE 0.068
Use #37273F 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.