#402279
Closest named color: Indigo (#4B0082). oklch(34.6% 0.139 293.6), rgb(64, 34, 121).
Aa
White text reads best on this color (12.18:1).
About this color
#402279 is a dark, moderately saturated purple. In OKLCH its lightness is 35%, its chroma 0.139 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.046 away. White text reads best on it, at 12.18:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.72:1 |
| White text | 12.18:1 |
Values
| HEX | #402279 |
| RGB | rgb(64, 34, 121) |
| HSL | hsl(261, 56%, 30%) |
| OKLCH | oklch(34.6% 0.139 293.6) |
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 #402279 | 12.18:1 | AAA | Lc -100.8 | Preferred for body text |
| Black text on #402279 | 1.72:1 | Fails | Lc 0.0 | Not readable |
| #402279 text on white | 12.18:1 | AAA | Lc 97.2 | Preferred for body text |
| #402279 text on black | 1.72:1 | 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
#EAE6FD
oklch(93.5% 0.031 293.8)
-
Step 200
200
#DAD3FD
oklch(88.6% 0.058 292.8)
-
Step 300
300
#C3B4FE
oklch(80.9% 0.104 293.2)
-
Step 400
400
#A789FE
oklch(70.8% 0.167 293.5)
-
Step 500
500
#9465FB
oklch(63.1% 0.214 293.8)
-
Step 600
600
#8046EA
oklch(55.6% 0.231 293.7)
-
Step 700
700
#6C35CC
oklch(49.1% 0.216 293.4)
-
Step 800
800
#582EA5
oklch(42.7% 0.179 293.5)
-
Step 900
900 (this color)
#402279
oklch(34.6% 0.139 293.6)
-
Step 950
950
#2A1B4C
oklch(27.1% 0.087 293.9)
#402279 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) | #00367C | 0.083 |
| Deuteranopia (no green cones) | #003477 | 0.082 |
| Tritanopia (no blue cones) | #2F384A | 0.111 |
| Achromatopsia (no color) | #353535 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #402279
#402279
oklch(34.6% 0.139 293.6)
- #3A3D00
#3A3D00
oklch(34.5% 0.077 112.9)
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 #402279, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.046
- Royal Purple #4B006E ΔE 0.055
- Dark Slate Blue #483D8B ΔE 0.072
- Midnight Blue #191970 ΔE 0.077
- Imperial Purple #480CA8 ΔE 0.080
- Blueberry #464196 ΔE 0.087
- Plum Purple #4E0550 ΔE 0.090
- Marine Blue #01386A ΔE 0.092
Use #402279 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.