#5D51CA
Closest named color: Iris (#6258C4). oklch(51.5% 0.181 282.5), rgb(93, 81, 202).
Aa
White text reads best on this color (6.00:1).
About this color
#5D51CA is a medium-dark, vivid purple. In OKLCH its lightness is 52%, its chroma 0.181 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.022 away. White text reads best on it, at 6.00:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.181) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.49:1 |
| White text | 6.00:1 |
Values
| HEX | #5D51CA |
| RGB | rgb(93, 81, 202) |
| HSL | hsl(246, 53%, 55%) |
| OKLCH | oklch(51.5% 0.181 282.5) |
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 #5D51CA | 6.00:1 | AA | Lc -84.8 | Fine for body text |
| Black text on #5D51CA | 3.49:1 | AA large text | Lc 24.4 | Dividers and decoration only |
| #5D51CA text on white | 6.00:1 | AA | Lc 79.6 | Fine for body text |
| #5D51CA text on black | 3.49:1 | AA large text | Lc -22.2 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E7E8FB
oklch(93.6% 0.026 283.5)
-
Step 200
200
#D4D6F9
oklch(88.6% 0.048 282.8)
-
Step 300
300
#B8BAF8
oklch(80.9% 0.087 282.8)
-
Step 400
400
#9494F5
oklch(70.7% 0.14 282.2)
-
Step 500
500
#7C76F1
oklch(63.1% 0.179 282.2)
-
Step 600
600
#685BDF
oklch(55.7% 0.194 282.6)
-
Step 700
700 (this color)
#5D51CA
oklch(51.5% 0.181 282.5)
-
Step 800
800
#473D9D
oklch(42.7% 0.15 282.7)
-
Step 900
900
#3B357D
oklch(37.7% 0.118 282.9)
-
Step 950
950
#222049
oklch(27% 0.074 282.5)
#5D51CA 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) | #0067CE | 0.083 |
| Deuteranopia (no green cones) | #005FC8 | 0.080 |
| Tritanopia (no blue cones) | #2C6E86 | 0.154 |
| Achromatopsia (no color) | #636363 | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5D51CA
#5D51CA
oklch(51.5% 0.181 282.5)
- #746900
#746900
oklch(51.5% 0.108 102.2)
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 #5D51CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.022
- Slate Blue #6A5ACD ΔE 0.031
- Bluey Purple #6241C7 ΔE 0.034
- Light Indigo #6D5ACF ΔE 0.035
- Warm Blue #4B57DB ΔE 0.037
- Dark Periwinkle #665FD1 ΔE 0.038
- Blue With A Hint Of Purple #533CC6 ΔE 0.049
- Blurple #5539CC ΔE 0.052
Use #5D51CA 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.