#403156
Closest named color: Space Cadet (#2B2D42). oklch(34.7% 0.065 301.8), rgb(64, 49, 86).
Aa
White text reads best on this color (11.72:1).
About this color
#403156 is a dark, muted purple. In OKLCH its lightness is 35%, its chroma 0.065 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.054 away. White text reads best on it, at 11.72:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.79:1 |
| White text | 11.72:1 |
Values
| HEX | #403156 |
| RGB | rgb(64, 49, 86) |
| HSL | hsl(264, 27%, 26%) |
| OKLCH | oklch(34.7% 0.065 301.8) |
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 #403156 | 11.72:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #403156 | 1.79:1 | Fails | Lc 0.0 | Not readable |
| #403156 text on white | 11.72:1 | AAA | Lc 96.9 | Preferred for body text |
| #403156 text on black | 1.79:1 | 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#EBE8F2
oklch(93.6% 0.014 299.8)
-
Step 200
200
#DCD5E9
oklch(88.5% 0.028 301.7)
-
Step 300
300
#C6BADC
oklch(81% 0.049 301.4)
-
Step 400
400
#A995CA
oklch(70.6% 0.079 301.7)
-
Step 500
500
#947BBC
oklch(63.1% 0.099 301.3)
-
Step 600
600
#7F63A8
oklch(55.6% 0.108 301.7)
-
Step 700
700
#6B5290
oklch(49.1% 0.1 301.4)
-
Step 800
800
#574375
oklch(42.6% 0.084 301.4)
-
Step 900
900 (this color)
#403156
oklch(34.7% 0.065 301.8)
-
Step 950
950
#2A2137
oklch(26.9% 0.042 302.5)
#403156 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) | #283857 | 0.042 |
| Deuteranopia (no green cones) | #2B3855 | 0.039 |
| Tritanopia (no blue cones) | #3C373F | 0.050 |
| Achromatopsia (no color) | #383838 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #403156
#403156
oklch(34.7% 0.065 301.8)
- #343F15
#343F15
oklch(34.7% 0.065 122.2)
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 #403156, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.054
- Prussian Blue #1D3557 ΔE 0.054
- Gunmetal #293241 ΔE 0.057
- Onyx #343A40 ΔE 0.058
- Dark Blue Grey #1F3B4D ΔE 0.061
- Dark Grey Blue #29465B ΔE 0.069
- Charcoal Grey #3C4142 ΔE 0.070
- Charcoal #264653 ΔE 0.075
Use #403156 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.