#402374
Closest named color: Indigo (#4B0082). oklch(34.3% 0.132 295), rgb(64, 35, 116).
Aa
White text reads best on this color (12.27:1).
About this color
#402374 is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.132 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.051 away. White text reads best on it, at 12.27:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.132) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.71:1 |
| White text | 12.27:1 |
Values
| HEX | #402374 |
| RGB | rgb(64, 35, 116) |
| HSL | hsl(261, 54%, 30%) |
| OKLCH | oklch(34.3% 0.132 295) |
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 #402374 | 12.27:1 | AAA | Lc -101.0 | Preferred for body text |
| Black text on #402374 | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #402374 text on white | 12.27:1 | AAA | Lc 97.5 | Preferred for body text |
| #402374 text on black | 1.71:1 | 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
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#EBE7FC
oklch(93.7% 0.028 294.6)
-
Step 200
200
#DBD3FA
oklch(88.6% 0.054 294.7)
-
Step 300
300
#C5B4FA
oklch(80.9% 0.099 295.2)
-
Step 400
400
#A98AF8
oklch(70.8% 0.158 295)
-
Step 500
500
#9568F4
oklch(63.1% 0.201 294.8)
-
Step 600
600
#8149E3
oklch(55.6% 0.22 294.9)
-
Step 700
700
#6E39C5
oklch(49.2% 0.204 295.1)
-
Step 800
800
#59319F
oklch(42.7% 0.168 295)
-
Step 900
900 (this color)
#402374
oklch(34.3% 0.132 295)
-
Step 950
950
#2A1B4A
oklch(26.9% 0.084 294.9)
#402374 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) | #003676 | 0.083 |
| Deuteranopia (no green cones) | #003472 | 0.083 |
| Tritanopia (no blue cones) | #323648 | 0.102 |
| Achromatopsia (no color) | #353535 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #402374
#402374
oklch(34.3% 0.132 295)
- #383D00
#383D00
oklch(34.3% 0.078 114.8)
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 #402374, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.051
- Royal Purple #4B006E ΔE 0.054
- Dark Slate Blue #483D8B ΔE 0.074
- Midnight Blue #191970 ΔE 0.077
- Plum Purple #4E0550 ΔE 0.084
- Imperial Purple #480CA8 ΔE 0.089
- Marine Blue #01386A ΔE 0.089
- Prussian Blue #1D3557 ΔE 0.090
Use #402374 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.