#5C57B0
Closest named color: Iris (#6258C4). oklch(50.7% 0.137 282.9), rgb(92, 87, 176).
Aa
White text reads best on this color (6.09:1).
About this color
#5C57B0 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 51%, its chroma 0.137 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.033 away. White text reads best on it, at 6.09:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.137) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.44:1 |
| White text | 6.09:1 |
Values
| HEX | #5C57B0 |
| RGB | rgb(92, 87, 176) |
| HSL | hsl(243, 36%, 52%) |
| OKLCH | oklch(50.7% 0.137 282.9) |
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 #5C57B0 | 6.09:1 | AA | Lc -85.4 | Fine for body text |
| Black text on #5C57B0 | 3.44:1 | AA large text | Lc 23.8 | Dividers and decoration only |
| #5C57B0 text on white | 6.09:1 | AA | Lc 80.2 | Fine for body text |
| #5C57B0 text on black | 3.44:1 | AA large text | Lc -21.6 | Dividers and decoration only |
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 700.
-
Step 50
50
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E8E9F7
oklch(93.7% 0.019 282.8)
-
Step 200
200
#D5D7F2
oklch(88.6% 0.037 282.2)
-
Step 300
300
#BABCEB
oklch(81% 0.066 282.9)
-
Step 400
400
#9798E1
oklch(70.7% 0.106 282.7)
-
Step 500
500
#7F7DD8
oklch(63.2% 0.135 282.8)
-
Step 600
600
#6964C6
oklch(55.6% 0.148 282.8)
-
Step 700
700 (this color)
#5C57B0
oklch(50.7% 0.137 282.9)
-
Step 800
800
#48448A
oklch(42.7% 0.113 283.1)
-
Step 900
900
#3C3A6F
oklch(37.8% 0.089 283)
-
Step 950
950
#232241
oklch(27% 0.057 283.4)
#5C57B0 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) | #2E65B3 | 0.060 |
| Deuteranopia (no green cones) | #295FAE | 0.061 |
| Tritanopia (no blue cones) | #3F6A7B | 0.118 |
| Achromatopsia (no color) | #626262 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C57B0
#5C57B0
oklch(50.7% 0.137 282.9)
- #716700
#716700
oklch(50.7% 0.107 102.8)
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 #5C57B0, closest first.
No curated palette has a color within ΔE 0.04 of #5C57B0.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.033
- Slate Blue #6A5ACD ΔE 0.051
- Light Indigo #6D5ACF ΔE 0.056
- Dark Periwinkle #665FD1 ΔE 0.056
- French Blue #436BAD ΔE 0.060
- Dusky Blue #475F94 ΔE 0.061
- Bluey Purple #6241C7 ΔE 0.063
- Twilight #4E518B ΔE 0.064
Use #5C57B0 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.