#587AD8
Closest named color: Soft Blue (#6488EA). oklch(60% 0.148 266.9), rgb(88, 122, 216).
Aa
Black text reads best on this color (5.19:1).
About this color
#587AD8 is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.148 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.046 away. Black text reads best on it, at 5.19:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.148) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.19:1 |
| White text | 4.04:1 |
Values
| HEX | #587AD8 |
| RGB | rgb(88, 122, 216) |
| HSL | hsl(224, 62%, 60%) |
| OKLCH | oklch(60% 0.148 266.9) |
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 #587AD8 | 4.04:1 | AA large text | Lc -73.0 | Content text, not long reading |
| Black text on #587AD8 | 5.19:1 | AA | Lc 36.6 | Non-text elements, placeholder text |
| #587AD8 text on white | 4.04:1 | AA large text | Lc 67.5 | Content text, not long reading |
| #587AD8 text on black | 5.19:1 | AA | Lc -34.2 | 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 500.
-
Step 50
50
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E3EAF8
oklch(93.6% 0.02 264.5)
-
Step 200
200
#CDD9F5
oklch(88.5% 0.041 267.1)
-
Step 300
300
#ABC0F0
oklch(80.9% 0.072 266.3)
-
Step 400
400
#809EE9
oklch(70.7% 0.115 266.8)
-
Step 500
500 (this color)
#587AD8
oklch(60% 0.148 266.9)
-
Step 600
600
#496BD1
oklch(55.6% 0.162 267.2)
-
Step 700
700
#3A59B5
oklch(49.2% 0.15 266.8)
-
Step 800
800
#304992
oklch(42.7% 0.124 266.9)
-
Step 900
900
#2A3E75
oklch(37.8% 0.097 266.7)
-
Step 950
950
#192544
oklch(27.1% 0.06 266.5)
#587AD8 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) | #4F84DC | 0.026 |
| Deuteranopia (no green cones) | #3D79D6 | 0.028 |
| Tritanopia (no blue cones) | #008F9E | 0.130 |
| Achromatopsia (no color) | #7E7E7E | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #587AD8
#587AD8
oklch(60% 0.148 266.9)
- #A07A00
#A07A00
oklch(60% 0.123 86.7)
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 #587AD8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.046
- Windows Blue #3778BF ΔE 0.052
- Cornflower #6A79F7 ΔE 0.053
- Dark Sky Blue #448EE4 ΔE 0.053
- Royal Blue #4169E1 ΔE 0.056
- Water Blue #0E87CC ΔE 0.061
- Cool Blue #4984B8 ΔE 0.064
- Dark Periwinkle #665FD1 ΔE 0.067
Use #587AD8 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.