#5F5BAB
Closest named color: Iris (#6258C4). oklch(51.4% 0.124 283.4), rgb(95, 91, 171).
Aa
White text reads best on this color (5.88:1).
About this color
#5F5BAB is a medium-dark, moderately saturated purple. In OKLCH its lightness is 51%, its chroma 0.124 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.041 away. White text reads best on it, at 5.88:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.57:1 |
| White text | 5.88:1 |
Values
| HEX | #5F5BAB |
| RGB | rgb(95, 91, 171) |
| HSL | hsl(243, 32%, 51%) |
| OKLCH | oklch(51.4% 0.124 283.4) |
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 #5F5BAB | 5.88:1 | AA | Lc -84.5 | Fine for body text |
| Black text on #5F5BAB | 3.57:1 | AA large text | Lc 24.8 | Dividers and decoration only |
| #5F5BAB text on white | 5.88:1 | AA | Lc 79.3 | Fine for body text |
| #5F5BAB text on black | 3.57:1 | AA large text | Lc -22.5 | 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
#E8E9F5
oklch(93.7% 0.016 282.3)
-
Step 200
200
#D6D7EF
oklch(88.6% 0.033 283.8)
-
Step 300
300
#BBBCE7
oklch(80.9% 0.06 283.9)
-
Step 400
400
#9899DB
oklch(70.7% 0.096 283)
-
Step 500
500
#807ED1
oklch(63.1% 0.123 283.4)
-
Step 600
600
#6A66BE
oklch(55.6% 0.134 283.2)
-
Step 700
700 (this color)
#5F5BAB
oklch(51.4% 0.124 283.4)
-
Step 800
800
#494585
oklch(42.7% 0.104 283.9)
-
Step 900
900
#3C3B6A
oklch(37.7% 0.079 282.9)
-
Step 950
950
#23233E
oklch(27% 0.05 282.6)
#5F5BAB 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) | #3B67AE | 0.051 |
| Deuteranopia (no green cones) | #3862A9 | 0.051 |
| Tritanopia (no blue cones) | #476C7B | 0.106 |
| Achromatopsia (no color) | #646464 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F5BAB
#5F5BAB
oklch(51.4% 0.124 283.4)
- #726900
#726900
oklch(51.3% 0.108 103.6)
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 #5F5BAB, closest first.
No curated palette has a color within ΔE 0.04 of #5F5BAB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.041
- French Blue #436BAD ΔE 0.052
- Dusky Blue #475F94 ΔE 0.053
- Slate Blue #6A5ACD ΔE 0.056
- Dark Periwinkle #665FD1 ΔE 0.060
- Light Indigo #6D5ACF ΔE 0.061
- Twilight #4E518B ΔE 0.062
- Denim Blue #3B5B92 ΔE 0.065
Use #5F5BAB 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.