#5A2988
Closest named color: Rebecca Purple (#663399). oklch(39.9% 0.152 303.9), rgb(90, 41, 136).
Aa
White text reads best on this color (9.96:1).
About this color
#5A2988 is a dark, vivid purple. In OKLCH its lightness is 40%, its chroma 0.152 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.042 away. White text reads best on it, at 9.96:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.10:1 |
| White text | 9.96:1 |
Values
| HEX | #5A2988 |
| RGB | rgb(90, 41, 136) |
| HSL | hsl(271, 54%, 35%) |
| OKLCH | oklch(39.9% 0.152 303.9) |
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 #5A2988 | 9.96:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #5A2988 | 2.10:1 | Fails | Lc 11.4 | Not readable |
| #5A2988 text on white | 9.96:1 | AAA | Lc 92.5 | Preferred for body text |
| #5A2988 text on black | 2.10:1 | Fails | Lc -9.9 | 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
#F7F3FE
oklch(97% 0.015 302.6)
-
Step 100
100
#EEE5FC
oklch(93.6% 0.032 303.5)
-
Step 200
200
#E2CFFC
oklch(88.4% 0.064 304.3)
-
Step 300
300
#D0AEFD
oklch(80.8% 0.115 303.7)
-
Step 400
400
#BA7FFB
oklch(70.7% 0.182 304.1)
-
Step 500
500
#A956F9
oklch(63.1% 0.234 303.7)
-
Step 600
600
#9530E7
oklch(55.5% 0.253 303.8)
-
Step 700
700
#801FC9
oklch(49.2% 0.235 304.1)
-
Step 800
800
#681EA3
oklch(42.8% 0.196 304)
-
Step 900
900 (this color)
#5A2988
oklch(39.9% 0.152 303.9)
-
Step 950
950
#31164C
oklch(27.1% 0.096 303.6)
#5A2988 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) | #00418B | 0.117 |
| Deuteranopia (no green cones) | #024286 | 0.117 |
| Tritanopia (no blue cones) | #513F55 | 0.111 |
| Achromatopsia (no color) | #434343 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A2988
#5A2988
oklch(39.9% 0.152 303.9)
- #3D5000
#3D5000
oklch(40% 0.099 123.8)
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 #5A2988, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.042
- Dark Slate Blue #483D8B ΔE 0.053
- Blueberry #464196 ΔE 0.065
- Indigo #4B0082 ΔE 0.067
- Chrysanthemum #560BAD ΔE 0.070
- Imperial Purple #480CA8 ΔE 0.077
- Royal Purple #4B006E ΔE 0.082
- Purple #800080 ΔE 0.087
Use #5A2988 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.