#37344E
Closest named color: Gunmetal (#293241). oklch(34% 0.045 289), rgb(55, 52, 78).
Aa
White text reads best on this color (11.90:1).
About this color
#37344E is a dark, muted purple. In OKLCH its lightness is 34%, its chroma 0.045 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.034 away. White text reads best on it, at 11.90:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.76:1 |
| White text | 11.90:1 |
Values
| HEX | #37344E |
| RGB | rgb(55, 52, 78) |
| HSL | hsl(247, 20%, 25%) |
| OKLCH | oklch(34% 0.045 289) |
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 #37344E | 11.90:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #37344E | 1.76:1 | Fails | Lc 0.0 | Not readable |
| #37344E text on white | 11.90:1 | AAA | Lc 97.3 | Preferred for body text |
| #37344E text on black | 1.76:1 | 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
#E9E9F0
oklch(93.6% 0.009 286.2)
-
Step 200
200
#D8D7E5
oklch(88.4% 0.019 289.3)
-
Step 300
300
#BFBDD6
oklch(80.8% 0.035 289.3)
-
Step 400
400
#9F9CC1
oklch(70.8% 0.054 288.7)
-
Step 500
500
#8883B1
oklch(63.1% 0.069 289.3)
-
Step 600
600
#726C9D
oklch(55.6% 0.075 289.3)
-
Step 700
700
#5F5A86
oklch(49.1% 0.07 288.8)
-
Step 800
800
#4E4A6D
oklch(42.8% 0.057 289)
-
Step 900
900 (this color)
#37344E
oklch(34% 0.045 289)
-
Step 950
950
#262434
oklch(27% 0.03 290)
#37344E 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) | #2D384F | 0.019 |
| Deuteranopia (no green cones) | #2D364D | 0.017 |
| Tritanopia (no blue cones) | #32383D | 0.038 |
| Achromatopsia (no color) | #373737 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37344E
#37344E
oklch(34% 0.045 289)
- #3A3A1D
#3A3A1D
oklch(34.1% 0.046 108.6)
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 #37344E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.034
- Space Cadet #2B2D42 ΔE 0.036
- Onyx #343A40 ΔE 0.037
- Dark Blue Grey #1F3B4D ΔE 0.039
- Prussian Blue #1D3557 ΔE 0.040
- Charcoal Grey #3C4142 ΔE 0.054
- Dark Grey Blue #29465B ΔE 0.057
- Midnight Green #073B4C ΔE 0.057
Use #37344E 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.