#6C59BE
Closest named color: Iris (#6258C4). oklch(53.3% 0.152 288.8), rgb(108, 89, 190).
Aa
White text reads best on this color (5.51:1).
About this color
#6C59BE is a medium-dark, vivid purple. In OKLCH its lightness is 53%, its chroma 0.152 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.019 away. White text reads best on it, at 5.51:1.
| Hue family | Purples |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.152) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.81:1 |
| White text | 5.51:1 |
Values
| HEX | #6C59BE |
| RGB | rgb(108, 89, 190) |
| HSL | hsl(251, 44%, 55%) |
| OKLCH | oklch(53.3% 0.152 288.8) |
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 #6C59BE | 5.51:1 | AA | Lc -82.6 | Fine for body text |
| Black text on #6C59BE | 3.81:1 | AA large text | Lc 26.8 | Dividers and decoration only |
| #6C59BE text on white | 5.51:1 | AA | Lc 77.3 | Fine for body text |
| #6C59BE text on black | 3.81:1 | AA large text | Lc -24.5 | 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 600.
-
Step 50
50
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F7
oklch(93.6% 0.02 289.1)
-
Step 200
200
#D8D6F1
oklch(88.6% 0.037 289)
-
Step 300
300
#BEBAEB
oklch(80.9% 0.069 288.5)
-
Step 400
400
#9E95E1
oklch(70.7% 0.11 288.7)
-
Step 500
500
#8879D8
oklch(63.1% 0.14 289)
-
Step 600
600 (this color)
#6C59BE
oklch(53.3% 0.152 288.8)
-
Step 700
700
#604FAB
oklch(49.2% 0.142 288.6)
-
Step 800
800
#4E418A
oklch(42.7% 0.117 288.6)
-
Step 900
900
#41386F
oklch(37.8% 0.092 288.8)
-
Step 950
950
#262141
oklch(27.1% 0.058 289.1)
#6C59BE 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) | #296BC1 | 0.084 |
| Deuteranopia (no green cones) | #2B66BC | 0.081 |
| Tritanopia (no blue cones) | #546E83 | 0.125 |
| Achromatopsia (no color) | #696969 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C59BE
#6C59BE
oklch(53.3% 0.152 288.8)
- #737100
#737100
oklch(53.3% 0.115 108.5)
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 #6C59BE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.019
- Slate Blue #6A5ACD ΔE 0.023
- Light Indigo #6D5ACF ΔE 0.026
- Dark Periwinkle #665FD1 ΔE 0.032
- Deep Lavender #8D5EB7 ΔE 0.060
- Bluey Purple #6241C7 ΔE 0.060
- Warm Blue #4B57DB ΔE 0.066
- Purpley #8756E4 ΔE 0.073
Use #6C59BE 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.