#402299
Closest named color: Imperial Purple (#480CA8). oklch(37.7% 0.178 285.6), rgb(64, 34, 153).
Aa
White text reads best on this color (11.01:1).
About this color
#402299 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.178 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Imperial Purple (#480CA8), ΔE 0.033 away. White text reads best on it, at 11.01:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.178) |
| Temperature | cool |
| Nearest name | Imperial Purple (#480CA8) |
| Black text | 1.90:1 |
| White text | 11.01:1 |
Values
| HEX | #402299 |
| RGB | rgb(64, 34, 153) |
| HSL | hsl(255, 64%, 37%) |
| OKLCH | oklch(37.7% 0.178 285.6) |
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 #402299 | 11.01:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #402299 | 1.90:1 | Fails | Lc 9.4 | Not readable |
| #402299 text on white | 11.01:1 | AAA | Lc 94.6 | Preferred for body text |
| #402299 text on black | 1.90:1 | Fails | Lc -8.0 | 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
#F4F4FF
oklch(97% 0.015 286.1)
-
Step 100
100
#E7E7FF
oklch(93.5% 0.032 285.8)
-
Step 200
200
#D5D4FF
oklch(88.5% 0.059 286.2)
-
Step 300
300
#BAB8FF
oklch(81% 0.1 285.2)
-
Step 400
400
#998FFF
oklch(70.7% 0.16 285.6)
-
Step 500
500
#836DFF
oklch(63.1% 0.208 285.7)
-
Step 600
600
#7143FF
oklch(55.7% 0.258 285.7)
-
Step 700
700
#6213F1
oklch(49.1% 0.276 285.7)
-
Step 800
800
#4F1AC3
oklch(42.7% 0.229 285.5)
-
Step 900
900 (this color)
#402299
oklch(37.7% 0.178 285.6)
-
Step 950
950
#25175A
oklch(27.1% 0.113 285.6)
#402299 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) | #003F9C | 0.080 |
| Deuteranopia (no green cones) | #003897 | 0.074 |
| Tritanopia (no blue cones) | #12445C | 0.147 |
| Achromatopsia (no color) | #3C3C3C | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #402299
#402299
oklch(37.7% 0.178 285.6)
- #484300
#484300
oklch(37.6% 0.08 104.8)
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 #402299, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Purple #480CA8 ΔE 0.033
- Indigo Blue #3A18B1 ΔE 0.043
- Chrysanthemum #560BAD ΔE 0.053
- Indigo #4B0082 ΔE 0.063
- Sapphire #2138AB ΔE 0.064
- Dark Slate Blue #483D8B ΔE 0.065
- Blueberry #464196 ΔE 0.068
- Ultramarine #2000B1 ΔE 0.078
Use #402299 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.