#586EC7
Closest named color: Windows Blue (#3778BF). oklch(56.4% 0.14 270.9), rgb(88, 110, 199).
Aa
White text reads best on this color (4.69:1).
About this color
#586EC7 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 56%, its chroma 0.140 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.044 away. White text reads best on it, at 4.69:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.140) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 4.47:1 |
| White text | 4.69:1 |
Values
| HEX | #586EC7 |
| RGB | rgb(88, 110, 199) |
| HSL | hsl(228, 50%, 56%) |
| OKLCH | oklch(56.4% 0.14 270.9) |
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 #586EC7 | 4.69:1 | AA | Lc -77.9 | Fine for body text |
| Black text on #586EC7 | 4.47:1 | AA large text | Lc 31.7 | Non-text elements, placeholder text |
| #586EC7 text on white | 4.69:1 | AA | Lc 72.4 | Content text, not long reading |
| #586EC7 text on black | 4.47:1 | AA large text | Lc -29.3 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#D0D8F1
oklch(88.4% 0.035 271.5)
-
Step 300
300
#B1BFEA
oklch(80.8% 0.063 270.8)
-
Step 400
400
#899DE0
oklch(70.7% 0.101 270.9)
-
Step 500
500
#6D83D7
oklch(63% 0.129 271.2)
-
Step 600
600 (this color)
#586EC7
oklch(56.4% 0.14 270.9)
-
Step 700
700
#4659AA
oklch(49.1% 0.131 271)
-
Step 800
800
#3A4989
oklch(42.6% 0.107 271.3)
-
Step 900
900
#313E6E
oklch(37.7% 0.084 270.5)
-
Step 950
950
#1D2440
oklch(26.9% 0.053 271.8)
#586EC7 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) | #4679CA | 0.032 |
| Deuteranopia (no green cones) | #386FC5 | 0.034 |
| Tritanopia (no blue cones) | #178291 | 0.125 |
| Achromatopsia (no color) | #747474 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #586EC7
#586EC7
oklch(56.4% 0.14 270.9)
- #8F7200
#8F7200
oklch(56.4% 0.115 91)
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 #586EC7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.044
- Dark Periwinkle #665FD1 ΔE 0.045
- French Blue #436BAD ΔE 0.049
- Royal Blue #4169E1 ΔE 0.051
- Slate Blue #6A5ACD ΔE 0.055
- Iris #6258C4 ΔE 0.055
- Light Indigo #6D5ACF ΔE 0.057
- Mid Blue #276AB3 ΔE 0.061
Use #586EC7 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.