#37236A
Closest named color: Midnight Blue (#191970). oklch(32.5% 0.118 291.4), rgb(55, 35, 106).
Aa
White text reads best on this color (13.03:1).
About this color
#37236A is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.118 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.061 away. White text reads best on it, at 13.03:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.61:1 |
| White text | 13.03:1 |
Values
| HEX | #37236A |
| RGB | rgb(55, 35, 106) |
| HSL | hsl(257, 50%, 28%) |
| OKLCH | oklch(32.5% 0.118 291.4) |
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 #37236A | 13.03:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #37236A | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #37236A text on white | 13.03:1 | AAA | Lc 98.9 | Preferred for body text |
| #37236A text on black | 1.61:1 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E7FA
oklch(93.5% 0.026 290.7)
-
Step 200
200
#D9D4F8
oklch(88.5% 0.049 291.7)
-
Step 300
300
#C1B7F6
oklch(81% 0.088 291.6)
-
Step 400
400
#A28FF1
oklch(70.7% 0.141 291.3)
-
Step 500
500
#8D6FEC
oklch(63% 0.181 291.4)
-
Step 600
600
#7954DA
oklch(55.7% 0.195 291.5)
-
Step 700
700
#6643BD
oklch(49.1% 0.182 291.4)
-
Step 800
800
#533899
oklch(42.7% 0.151 291.5)
-
Step 900
900 (this color)
#37236A
oklch(32.5% 0.118 291.4)
-
Step 950
950
#281E47
oklch(27% 0.074 292)
#37236A 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) | #00326C | 0.070 |
| Deuteranopia (no green cones) | #002F69 | 0.069 |
| Tritanopia (no blue cones) | #283443 | 0.095 |
| Achromatopsia (no color) | #313131 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37236A
#37236A
oklch(32.5% 0.118 291.4)
- #363700
#363700
oklch(32.5% 0.071 110.9)
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 #37236A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.061
- Royal Purple #4B006E ΔE 0.062
- Indigo #4B0082 ΔE 0.068
- Marine #042E60 ΔE 0.070
- Prussian Blue #1D3557 ΔE 0.073
- Marine Blue #01386A ΔE 0.076
- Plum Purple #4E0550 ΔE 0.081
- Space Cadet #2B2D42 ΔE 0.083
Use #37236A 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.