#586AEE
Closest named color: Royal Blue (#4169E1). oklch(58.3% 0.198 272.8), rgb(88, 106, 238).
Aa
Black text reads best on this color (4.71:1).
About this color
#586AEE is a medium-dark, vivid blue. In OKLCH its lightness is 58%, its chroma 0.198 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.033 away. Black text reads best on it, at 4.71:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.198) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.71:1 |
| White text | 4.45:1 |
Values
| HEX | #586AEE |
| RGB | rgb(88, 106, 238) |
| HSL | hsl(233, 82%, 64%) |
| OKLCH | oklch(58.3% 0.198 272.8) |
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 #586AEE | 4.45:1 | AA large text | Lc -76.0 | Fine for body text |
| Black text on #586AEE | 4.71:1 | AA | Lc 33.6 | Non-text elements, placeholder text |
| #586AEE text on white | 4.45:1 | AA large text | Lc 70.5 | Content text, not long reading |
| #586AEE text on black | 4.71:1 | AA | Lc -31.1 | Non-text elements, placeholder text |
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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FC
oklch(93.6% 0.026 274.1)
-
Step 200
200
#CED8FB
oklch(88.6% 0.049 272.8)
-
Step 300
300
#ADBDFB
oklch(80.8% 0.09 273.1)
-
Step 400
400
#8399F9
oklch(70.7% 0.143 272.5)
-
Step 500
500
#677CF6
oklch(63.2% 0.182 272.8)
-
Step 600
600 (this color)
#586AEE
oklch(58.3% 0.198 272.8)
-
Step 700
700
#424FC7
oklch(49.1% 0.185 272.8)
-
Step 800
800
#3642A1
oklch(42.8% 0.153 272.7)
-
Step 900
900
#2E397F
oklch(37.7% 0.118 272.7)
-
Step 950
950
#1B224B
oklch(27% 0.076 273)
#586AEE 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) | #007EF3 | 0.064 |
| Deuteranopia (no green cones) | #0071EB | 0.057 |
| Tritanopia (no blue cones) | #008AA2 | 0.166 |
| Achromatopsia (no color) | #777777 | 0.198 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #586AEE
#586AEE
oklch(58.3% 0.198 272.8)
- #947800
#947800
oklch(58.3% 0.119 92.5)
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 #586AEE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.033
- Neon Blue #4361EE ΔE 0.035
- Cornflower #6A79F7 ΔE 0.047
- Medium Slate Blue #7B68EE ΔE 0.048
- Dark Periwinkle #665FD1 ΔE 0.051
- Clear Blue #247AFD ΔE 0.054
- Cerulean Blue #056EEE ΔE 0.056
- Warm Blue #4B57DB ΔE 0.057
Use #586AEE 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.