#332F79
Closest named color: Dark Slate Blue (#483D8B). oklch(35.5% 0.122 280.6), rgb(51, 47, 121).
Aa
White text reads best on this color (11.51:1).
About this color
#332F79 is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.122 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.060 away. White text reads best on it, at 11.51:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.122) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.82:1 |
| White text | 11.51:1 |
Values
| HEX | #332F79 |
| RGB | rgb(51, 47, 121) |
| HSL | hsl(243, 44%, 33%) |
| OKLCH | oklch(35.5% 0.122 280.6) |
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 #332F79 | 11.51:1 | AAA | Lc -99.9 | Preferred for body text |
| Black text on #332F79 | 1.82:1 | Fails | Lc 7.7 | Not readable |
| #332F79 text on white | 11.51:1 | AAA | Lc 96.2 | Preferred for body text |
| #332F79 text on black | 1.82:1 | 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
#F4F5FE
oklch(97.2% 0.012 281.1)
-
Step 100
100
#E6E8FC
oklch(93.5% 0.027 281.3)
-
Step 200
200
#D2D6FB
oklch(88.5% 0.051 280.4)
-
Step 300
300
#B5BAFB
oklch(80.8% 0.092 280.7)
-
Step 400
400
#9194F9
oklch(70.7% 0.146 280.7)
-
Step 500
500
#7875F6
oklch(63% 0.188 280.6)
-
Step 600
600
#645AE5
oklch(55.7% 0.203 280.7)
-
Step 700
700
#5348C7
oklch(49% 0.19 280.7)
-
Step 800
800
#443DA1
oklch(42.8% 0.156 280.7)
-
Step 900
900 (this color)
#332F79
oklch(35.5% 0.122 280.6)
-
Step 950
950
#21204B
oklch(27.1% 0.077 280.9)
#332F79 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) | #003C7B | 0.054 |
| Deuteranopia (no green cones) | #003677 | 0.051 |
| Tritanopia (no blue cones) | #10414F | 0.106 |
| Achromatopsia (no color) | #393939 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #332F79
#332F79
oklch(35.5% 0.122 280.6)
- #453C00
#453C00
oklch(35.5% 0.074 99.8)
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 #332F79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.060
- Marine Blue #01386A ΔE 0.060
- Twilight Blue #0A437A ΔE 0.063
- Marine #042E60 ΔE 0.071
- Prussian Blue #1D3557 ΔE 0.071
- Midnight Blue #191970 ΔE 0.073
- Cobalt #1E488F ΔE 0.073
- Blueberry #464196 ΔE 0.074
Use #332F79 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.