#5859B2
Closest named color: Iris (#6258C4). oklch(50.9% 0.138 279.8), rgb(88, 89, 178).
Aa
White text reads best on this color (6.02:1).
About this color
#5859B2 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.138 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.032 away. White text reads best on it, at 6.02:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.48:1 |
| White text | 6.02:1 |
Values
| HEX | #5859B2 |
| RGB | rgb(88, 89, 178) |
| HSL | hsl(239, 37%, 52%) |
| OKLCH | oklch(50.9% 0.138 279.8) |
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 #5859B2 | 6.02:1 | AA | Lc -85.1 | Fine for body text |
| Black text on #5859B2 | 3.48:1 | AA large text | Lc 24.2 | Dividers and decoration only |
| #5859B2 text on white | 6.02:1 | AA | Lc 79.9 | Fine for body text |
| #5859B2 text on black | 3.48:1 | AA large text | Lc -21.9 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E9F7
oklch(93.7% 0.019 279.5)
-
Step 200
200
#D4D7F2
oklch(88.5% 0.037 280.6)
-
Step 300
300
#B7BDEC
oklch(81% 0.067 279.1)
-
Step 400
400
#9399E2
oklch(70.7% 0.107 279.7)
-
Step 500
500
#7A7EDA
oklch(63.1% 0.137 279.8)
-
Step 600
600
#6466C7
oklch(55.7% 0.147 279.6)
-
Step 700
700 (this color)
#5859B2
oklch(50.9% 0.138 279.8)
-
Step 800
800
#44458B
oklch(42.7% 0.113 279.8)
-
Step 900
900
#393B6F
oklch(37.8% 0.088 279.7)
-
Step 950
950
#212341
oklch(27% 0.055 279.1)
#5859B2 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) | #2F66B5 | 0.053 |
| Deuteranopia (no green cones) | #275FB0 | 0.055 |
| Tritanopia (no blue cones) | #356C7D | 0.119 |
| Achromatopsia (no color) | #636363 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5859B2
#5859B2
oklch(50.9% 0.138 279.8)
- #746600
#746600
oklch(50.8% 0.106 99.9)
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 #5859B2, closest first.
No curated palette has a color within ΔE 0.04 of #5859B2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.032
- Slate Blue #6A5ACD ΔE 0.051
- French Blue #436BAD ΔE 0.054
- Dark Periwinkle #665FD1 ΔE 0.054
- Light Indigo #6D5ACF ΔE 0.056
- Dusky Blue #475F94 ΔE 0.059
- Mid Blue #276AB3 ΔE 0.063
- Bluey Purple #6241C7 ΔE 0.066
Use #5859B2 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.