#5E288B
Closest named color: Rebecca Purple (#663399). oklch(40.5% 0.157 305.3), rgb(94, 40, 139).
Aa
White text reads best on this color (9.75:1).
About this color
#5E288B is a dark, vivid purple. In OKLCH its lightness is 41%, its chroma 0.157 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.035 away. White text reads best on it, at 9.75:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | vivid (0.157) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.15:1 |
| White text | 9.75:1 |
Values
| HEX | #5E288B |
| RGB | rgb(94, 40, 139) |
| HSL | hsl(273, 55%, 35%) |
| OKLCH | oklch(40.5% 0.157 305.3) |
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 #5E288B | 9.75:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #5E288B | 2.15:1 | Fails | Lc 12.0 | Not readable |
| #5E288B text on white | 9.75:1 | AAA | Lc 91.9 | Preferred for body text |
| #5E288B text on black | 2.15:1 | Fails | Lc -10.5 | 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 800.
-
Step 50
50
#F7F3FC
oklch(97% 0.013 306)
-
Step 100
100
#EEE6F9
oklch(93.7% 0.027 304.8)
-
Step 200
200
#E1D1F5
oklch(88.5% 0.052 305.4)
-
Step 300
300
#CFB2F1
oklch(81% 0.092 305.4)
-
Step 400
400
#B787E9
oklch(70.8% 0.146 305.5)
-
Step 500
500
#A564E2
oklch(63% 0.188 305.5)
-
Step 600
600
#9147D0
oklch(55.7% 0.204 305.5)
-
Step 700
700
#7B37B4
oklch(49.1% 0.19 305.3)
-
Step 800
800 (this color)
#5E288B
oklch(40.5% 0.157 305.3)
-
Step 900
900
#512B74
oklch(37.6% 0.123 305.2)
-
Step 950
950
#301A44
oklch(27% 0.078 306)
#5E288B 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) | #00428E | 0.123 |
| Deuteranopia (no green cones) | #024489 | 0.124 |
| Tritanopia (no blue cones) | #563F56 | 0.114 |
| Achromatopsia (no color) | #444444 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5E288B
#5E288B
oklch(40.5% 0.157 305.3)
- #3C5200
#3C5200
oklch(40.5% 0.102 125.4)
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 #5E288B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.035
- Dark Slate Blue #483D8B ΔE 0.058
- Blueberry #464196 ΔE 0.068
- Chrysanthemum #560BAD ΔE 0.068
- Indigo #4B0082 ΔE 0.071
- Imperial Purple #480CA8 ΔE 0.078
- Purple #800080 ΔE 0.080
- Grape #7209B7 ΔE 0.082
Use #5E288B 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.