#586ADB
Closest named color: Royal Blue (#4169E1). oklch(57% 0.172 272.9), rgb(88, 106, 219).
Aa
White text reads best on this color (4.66:1).
About this color
#586ADB is a medium-dark, vivid blue. In OKLCH its lightness is 57%, its chroma 0.172 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.028 away. White text reads best on it, at 4.66:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.172) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.49:1 |
| White text | 4.66:1 |
Values
| HEX | #586ADB |
| RGB | rgb(88, 106, 219) |
| HSL | hsl(232, 65%, 60%) |
| OKLCH | oklch(57% 0.172 272.9) |
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 #586ADB | 4.66:1 | AA | Lc -77.6 | Fine for body text |
| Black text on #586ADB | 4.49:1 | AA large text | Lc 32.0 | Non-text elements, placeholder text |
| #586ADB text on white | 4.66:1 | AA | Lc 72.1 | Content text, not long reading |
| #586ADB text on black | 4.49:1 | AA large text | Lc -29.6 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#CFD8F6
oklch(88.5% 0.042 272.3)
-
Step 300
300
#B0BEF4
oklch(81% 0.078 273.3)
-
Step 400
400
#879AEE
oklch(70.6% 0.125 273.1)
-
Step 500
500
#6B7FE8
oklch(63.1% 0.158 272.9)
-
Step 600
600 (this color)
#586ADB
oklch(57% 0.172 272.9)
-
Step 700
700
#4554BA
oklch(49.2% 0.16 272.8)
-
Step 800
800
#394596
oklch(42.7% 0.132 273.1)
-
Step 900
900
#303B78
oklch(37.7% 0.104 272.8)
-
Step 950
950
#1C2346
oklch(27% 0.065 272.8)
#586ADB 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) | #287ADF | 0.053 |
| Deuteranopia (no green cones) | #006FD9 | 0.059 |
| Tritanopia (no blue cones) | #008498 | 0.150 |
| Achromatopsia (no color) | #747474 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #586ADB
#586ADB
oklch(57% 0.172 272.9)
- #8F7500
#8F7500
oklch(57.1% 0.117 93.3)
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 #586ADB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.028
- Dark Periwinkle #665FD1 ΔE 0.033
- Neon Blue #4361EE ΔE 0.046
- Slate Blue #6A5ACD ΔE 0.046
- Light Indigo #6D5ACF ΔE 0.047
- Warm Blue #4B57DB ΔE 0.051
- Iris #6258C4 ΔE 0.053
- Medium Slate Blue #7B68EE ΔE 0.057
Use #586ADB 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.