#5585D8
Closest named color: Dark Sky Blue (#448EE4). oklch(62.1% 0.137 260.7), rgb(85, 133, 216).
Aa
Black text reads best on this color (5.73:1).
About this color
#5585D8 is a medium-light, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.137 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.028 away. Black text reads best on it, at 5.73:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.137) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.73:1 |
| White text | 3.66:1 |
Values
| HEX | #5585D8 |
| RGB | rgb(85, 133, 216) |
| HSL | hsl(218, 63%, 59%) |
| OKLCH | oklch(62.1% 0.137 260.7) |
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 #5585D8 | 3.66:1 | AA large text | Lc -69.5 | Content text, not long reading |
| Black text on #5585D8 | 5.73:1 | AA | Lc 40.1 | Non-text elements, placeholder text |
| #5585D8 text on white | 3.66:1 | AA large text | Lc 64.0 | Content text, not long reading |
| #5585D8 text on black | 5.73:1 | AA | Lc -37.7 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E3EAF7
oklch(93.6% 0.019 263)
-
Step 200
200
#CBDAF2
oklch(88.5% 0.037 259.8)
-
Step 300
300
#A8C2EC
oklch(80.9% 0.066 259.9)
-
Step 400
400
#7AA1E3
oklch(70.7% 0.106 260.6)
-
Step 500
500 (this color)
#5585D8
oklch(62.1% 0.137 260.7)
-
Step 600
600
#3D70C9
oklch(55.6% 0.149 260.7)
-
Step 700
700
#2F5DAE
oklch(49% 0.139 260.8)
-
Step 800
800
#284D8D
oklch(42.8% 0.114 260.6)
-
Step 900
900
#254070
oklch(37.6% 0.089 261.1)
-
Step 950
950
#162642
oklch(27% 0.057 260.9)
#5585D8 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) | #618CDB | 0.024 |
| Deuteranopia (no green cones) | #4F80D6 | 0.016 |
| Tritanopia (no blue cones) | #0098A4 | 0.117 |
| Achromatopsia (no color) | #868686 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5585D8
#5585D8
oklch(62.1% 0.137 260.7)
- #AE7D00
#AE7D00
oklch(62.2% 0.129 81)
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 #5585D8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.028
- Soft Blue #6488EA ΔE 0.033
- Chefchaouen Blue #4895EF ΔE 0.049
- Water Blue #0E87CC ΔE 0.049
- Cool Blue #4984B8 ΔE 0.052
- Cornflower Blue #6495ED ΔE 0.054
- Faded Blue #658CBB ΔE 0.055
- Steel Blue #4682B4 ΔE 0.058
Use #5585D8 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.