#5B54CD
Closest named color: Iris (#6258C4). oklch(52.1% 0.181 280.7), rgb(91, 84, 205).
Aa
White text reads best on this color (5.84:1).
About this color
#5B54CD is a medium-dark, vivid purple. In OKLCH its lightness is 52%, its chroma 0.181 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.021 away. White text reads best on it, at 5.84:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.181) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.59:1 |
| White text | 5.84:1 |
Values
| HEX | #5B54CD |
| RGB | rgb(91, 84, 205) |
| HSL | hsl(243, 55%, 57%) |
| OKLCH | oklch(52.1% 0.181 280.7) |
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 #5B54CD | 5.84:1 | AA | Lc -84.1 | Fine for body text |
| Black text on #5B54CD | 3.59:1 | AA large text | Lc 25.2 | Dividers and decoration only |
| #5B54CD text on white | 5.84:1 | AA | Lc 78.8 | Fine for body text |
| #5B54CD text on black | 3.59:1 | AA large text | Lc -23.0 | 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
#E6E8FB
oklch(93.5% 0.026 281.1)
-
Step 200
200
#D3D6FA
oklch(88.5% 0.05 281.6)
-
Step 300
300
#B6BBF9
oklch(81% 0.088 280.7)
-
Step 400
400
#9195F6
oklch(70.8% 0.14 280.4)
-
Step 500
500
#7977F2
oklch(63.2% 0.179 280.7)
-
Step 600
600
#645CE0
oklch(55.6% 0.194 280.7)
-
Step 700
700 (this color)
#5B54CD
oklch(52.1% 0.181 280.7)
-
Step 800
800
#443E9D
oklch(42.7% 0.149 280.8)
-
Step 900
900
#38367D
oklch(37.6% 0.117 280.4)
-
Step 950
950
#212049
oklch(26.9% 0.074 281.3)
#5B54CD 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) | #0069D1 | 0.079 |
| Deuteranopia (no green cones) | #0060CB | 0.075 |
| Tritanopia (no blue cones) | #217188 | 0.156 |
| Achromatopsia (no color) | #656565 | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B54CD
#5B54CD
oklch(52.1% 0.181 280.7)
- #786A00
#786A00
oklch(52.1% 0.108 100.2)
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 #5B54CD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.021
- Slate Blue #6A5ACD ΔE 0.029
- Warm Blue #4B57DB ΔE 0.031
- Dark Periwinkle #665FD1 ΔE 0.033
- Light Indigo #6D5ACF ΔE 0.033
- Bluey Purple #6241C7 ΔE 0.041
- Blue With A Hint Of Purple #533CC6 ΔE 0.055
- Blurple #5539CC ΔE 0.058
Use #5B54CD 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.