#403272
Closest named color: Dark Slate Blue (#483D8B). oklch(36.8% 0.106 290.3), rgb(64, 50, 114).
Aa
White text reads best on this color (10.95:1).
About this color
#403272 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.106 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.051 away. White text reads best on it, at 10.95:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.91:1 |
| White text | 10.95:1 |
Values
| HEX | #403272 |
| RGB | rgb(64, 50, 114) |
| HSL | hsl(253, 39%, 32%) |
| OKLCH | oklch(36.8% 0.106 290.3) |
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 #403272 | 10.95:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #403272 | 1.91:1 | Fails | Lc 8.8 | Not readable |
| #403272 text on white | 10.95:1 | AAA | Lc 95.1 | Preferred for body text |
| #403272 text on black | 1.91:1 | Fails | Lc -7.5 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F9
oklch(93.7% 0.023 288.7)
-
Step 200
200
#D8D5F5
oklch(88.5% 0.044 289.8)
-
Step 300
300
#BFB8F1
oklch(80.8% 0.08 290.1)
-
Step 400
400
#A092EA
oklch(70.7% 0.127 290.1)
-
Step 500
500
#8B74E3
oklch(63.1% 0.162 290.5)
-
Step 600
600
#765AD1
oklch(55.7% 0.176 290.4)
-
Step 700
700
#6349B5
oklch(49.1% 0.164 290.1)
-
Step 800
800
#513C93
oklch(42.7% 0.137 290.5)
-
Step 900
900 (this color)
#403272
oklch(36.8% 0.106 290.3)
-
Step 950
950
#271F44
oklch(26.9% 0.067 291.2)
#403272 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) | #143E74 | 0.061 |
| Deuteranopia (no green cones) | #163B71 | 0.058 |
| Tritanopia (no blue cones) | #32404D | 0.087 |
| Achromatopsia (no color) | #3C3C3C | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #403272
#403272
oklch(36.8% 0.106 290.3)
- #424200
#424200
oklch(36.7% 0.08 109.8)
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 #403272, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.051
- Blueberry #464196 ΔE 0.070
- Twilight Blue #0A437A ΔE 0.070
- Marine Blue #01386A ΔE 0.073
- Prussian Blue #1D3557 ΔE 0.073
- Cobalt #1E488F ΔE 0.079
- Indigo #4B0082 ΔE 0.083
- Dark Grey Blue #29465B ΔE 0.083
Use #403272 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.