#586CD8
Closest named color: Royal Blue (#4169E1). oklch(57.1% 0.166 272.2), rgb(88, 108, 216).
Aa
White text reads best on this color (4.61:1).
About this color
#586CD8 is a medium-dark, vivid blue. In OKLCH its lightness is 57%, its chroma 0.166 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.031 away. White text reads best on it, at 4.61:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.166) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.55:1 |
| White text | 4.61:1 |
Values
| HEX | #586CD8 |
| RGB | rgb(88, 108, 216) |
| HSL | hsl(231, 62%, 60%) |
| OKLCH | oklch(57.1% 0.166 272.2) |
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 #586CD8 | 4.61:1 | AA | Lc -77.2 | Fine for body text |
| Black text on #586CD8 | 4.55:1 | AA | Lc 32.3 | Non-text elements, placeholder text |
| #586CD8 text on white | 4.61:1 | AA | Lc 71.8 | Content text, not long reading |
| #586CD8 text on black | 4.55:1 | AA | Lc -29.9 | 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 600.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#CFD8F5
oklch(88.4% 0.041 271.9)
-
Step 300
300
#B0BEF2
oklch(80.9% 0.075 272.9)
-
Step 400
400
#879BEB
oklch(70.7% 0.12 272.3)
-
Step 500
500
#6B80E5
oklch(63.1% 0.153 272.5)
-
Step 600
600 (this color)
#586CD8
oklch(57.1% 0.166 272.2)
-
Step 700
700
#4555B7
oklch(49.1% 0.155 272.4)
-
Step 800
800
#384694
oklch(42.7% 0.128 272.2)
-
Step 900
900
#303C76
oklch(37.8% 0.1 272)
-
Step 950
950
#1C2345
oklch(26.9% 0.064 272.7)
#586CD8 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) | #327BDC | 0.047 |
| Deuteranopia (no green cones) | #1770D6 | 0.053 |
| Tritanopia (no blue cones) | #008598 | 0.145 |
| Achromatopsia (no color) | #757575 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #586CD8
#586CD8
oklch(57.1% 0.166 272.2)
- #907500
#907500
oklch(57.2% 0.117 92.7)
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 #586CD8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.031
- Dark Periwinkle #665FD1 ΔE 0.035
- Slate Blue #6A5ACD ΔE 0.048
- Light Indigo #6D5ACF ΔE 0.049
- Neon Blue #4361EE ΔE 0.052
- Iris #6258C4 ΔE 0.055
- Warm Blue #4B57DB ΔE 0.056
- Medium Slate Blue #7B68EE ΔE 0.060
Use #586CD8 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.