#402C67
Closest named color: Prussian Blue (#1D3557). oklch(34.8% 0.1 296.5), rgb(64, 44, 103).
Aa
White text reads best on this color (11.83:1).
About this color
#402C67 is a dark, moderately saturated purple. In OKLCH its lightness is 35%, its chroma 0.100 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.067 away. White text reads best on it, at 11.83:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.77:1 |
| White text | 11.83:1 |
Values
| HEX | #402C67 |
| RGB | rgb(64, 44, 103) |
| HSL | hsl(260, 40%, 29%) |
| OKLCH | oklch(34.8% 0.1 296.5) |
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 #402C67 | 11.83:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #402C67 | 1.77:1 | Fails | Lc 0.0 | Not readable |
| #402C67 text on white | 11.83:1 | AAA | Lc 96.9 | Preferred for body text |
| #402C67 text on black | 1.77:1 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EBE7F7
oklch(93.6% 0.022 297.4)
-
Step 200
200
#DBD4F2
oklch(88.5% 0.041 296.2)
-
Step 300
300
#C5B7EC
oklch(80.9% 0.075 296.8)
-
Step 400
400
#A890E2
oklch(70.7% 0.12 296.7)
-
Step 500
500
#9472DA
oklch(63.1% 0.154 296.8)
-
Step 600
600
#7F58C7
oklch(55.5% 0.166 296.8)
-
Step 700
700
#6B48AC
oklch(49.1% 0.154 296.4)
-
Step 800
800
#573C8C
oklch(42.8% 0.128 296.1)
-
Step 900
900 (this color)
#402C67
oklch(34.8% 0.1 296.5)
-
Step 950
950
#2A1F41
oklch(27% 0.062 297)
#402C67 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) | #133869 | 0.067 |
| Deuteranopia (no green cones) | #193766 | 0.062 |
| Tritanopia (no blue cones) | #373845 | 0.078 |
| Achromatopsia (no color) | #373737 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #402C67
#402C67
oklch(34.8% 0.1 296.5)
- #383F00
#383F00
oklch(34.9% 0.08 116.6)
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 #402C67, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.067
- Dark Slate Blue #483D8B ΔE 0.074
- Royal Purple #4B006E ΔE 0.074
- Marine Blue #01386A ΔE 0.076
- Space Cadet #2B2D42 ΔE 0.078
- Marine #042E60 ΔE 0.080
- Grape Purple #5D1451 ΔE 0.080
- Indigo #4B0082 ΔE 0.081
Use #402C67 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.