#37334A
Closest named color: Gunmetal (#293241). oklch(33.5% 0.04 292.1), rgb(55, 51, 74).
Aa
White text reads best on this color (12.10:1).
About this color
#37334A is a dark, muted purple. In OKLCH its lightness is 34%, its chroma 0.040 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.029 away. White text reads best on it, at 12.10:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | muted (0.040) |
| Temperature | in between |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.73:1 |
| White text | 12.10:1 |
Values
| HEX | #37334A |
| RGB | rgb(55, 51, 74) |
| HSL | hsl(250, 18%, 25%) |
| OKLCH | oklch(33.5% 0.04 292.1) |
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 #37334A | 12.10:1 | AAA | Lc -101.2 | Preferred for body text |
| Black text on #37334A | 1.73:1 | Fails | Lc 0.0 | Not readable |
| #37334A text on white | 12.10:1 | AAA | Lc 97.7 | Preferred for body text |
| #37334A text on black | 1.73:1 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#EAE9EF
oklch(93.7% 0.008 293.9)
-
Step 200
200
#D9D7E4
oklch(88.5% 0.018 293.1)
-
Step 300
300
#C0BDD3
oklch(80.8% 0.031 292)
-
Step 400
400
#A19CBD
oklch(70.8% 0.048 292.1)
-
Step 500
500
#8A83AC
oklch(63.1% 0.061 292.4)
-
Step 600
600
#746C98
oklch(55.6% 0.068 292.4)
-
Step 700
700
#615A82
oklch(49% 0.064 291.9)
-
Step 800
800
#4F4A69
oklch(42.7% 0.051 291.5)
-
Step 900
900 (this color)
#37334A
oklch(33.5% 0.04 292.1)
-
Step 950
950
#272432
oklch(27% 0.026 294.4)
#37334A 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) | #2D364B | 0.018 |
| Deuteranopia (no green cones) | #2E3549 | 0.016 |
| Tritanopia (no blue cones) | #33373B | 0.034 |
| Achromatopsia (no color) | #363636 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37334A
#37334A
oklch(33.5% 0.04 292.1)
- #373920
#373920
oklch(33.5% 0.041 112.3)
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 #37334A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.029
- Space Cadet #2B2D42 ΔE 0.032
- Onyx #343A40 ΔE 0.033
- Dark Blue Grey #1F3B4D ΔE 0.040
- Prussian Blue #1D3557 ΔE 0.042
- Charcoal Grey #3C4142 ΔE 0.053
- Midnight Green #073B4C ΔE 0.057
- Dark Grey Blue #29465B ΔE 0.060
Use #37334A 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.