#6C59BC
Closest named color: Iris (#6258C4). oklch(53.2% 0.15 289.1), rgb(108, 89, 188).
Aa
White text reads best on this color (5.53:1).
About this color
#6C59BC is a medium-dark, vivid purple. In OKLCH its lightness is 53%, its chroma 0.150 and its hue 289°. 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 5.53:1.
| Hue family | Purples |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.79:1 |
| White text | 5.53:1 |
Values
| HEX | #6C59BC |
| RGB | rgb(108, 89, 188) |
| HSL | hsl(252, 42%, 54%) |
| OKLCH | oklch(53.2% 0.15 289.1) |
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 #6C59BC | 5.53:1 | AA | Lc -82.7 | Fine for body text |
| Black text on #6C59BC | 3.79:1 | AA large text | Lc 26.6 | Dividers and decoration only |
| #6C59BC text on white | 5.53:1 | AA | Lc 77.4 | Fine for body text |
| #6C59BC text on black | 3.79:1 | AA large text | Lc -24.3 | 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 600.
-
Step 50
50
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D8D6F1
oklch(88.6% 0.037 289)
-
Step 300
300
#BFBAEA
oklch(80.9% 0.067 289.6)
-
Step 400
400
#9E95E0
oklch(70.7% 0.108 288.8)
-
Step 500
500
#8879D7
oklch(63.1% 0.138 289.1)
-
Step 600
600 (this color)
#6C59BC
oklch(53.2% 0.15 289.1)
-
Step 700
700
#604FA9
oklch(49% 0.139 288.9)
-
Step 800
800
#4F4189
oklch(42.7% 0.115 289.5)
-
Step 900
900
#41386E
oklch(37.8% 0.09 289)
-
Step 950
950
#262140
oklch(27% 0.057 289.5)
#6C59BC 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) | #2C6BBF | 0.082 |
| Deuteranopia (no green cones) | #2D66BA | 0.080 |
| Tritanopia (no blue cones) | #556E82 | 0.124 |
| Achromatopsia (no color) | #686868 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C59BC
#6C59BC
oklch(53.2% 0.15 289.1)
- #727100
#727100
oklch(53.2% 0.116 109.1)
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 #6C59BC, 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 0.026
- Light Indigo #6D5ACF ΔE 0.029
- Dark Periwinkle #665FD1 ΔE 0.035
- Deep Lavender #8D5EB7 ΔE 0.060
- Bluey Purple #6241C7 ΔE 0.062
- Warm Blue #4B57DB ΔE 0.069
- French Blue #436BAD ΔE 0.075
Use #6C59BC 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.