#5593D8
Closest named color: Dark Sky Blue (#448EE4). oklch(65.2% 0.122 252.4), rgb(85, 147, 216).
Aa
Black text reads best on this color (6.55:1).
About this color
#5593D8 is a medium-light, moderately saturated blue. In OKLCH its lightness is 65%, its chroma 0.122 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.029 away. Black text reads best on it, at 6.55:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.122) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.55:1 |
| White text | 3.20:1 |
Values
| HEX | #5593D8 |
| RGB | rgb(85, 147, 216) |
| HSL | hsl(212, 63%, 59%) |
| OKLCH | oklch(65.2% 0.122 252.4) |
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 #5593D8 | 3.20:1 | AA large text | Lc -64.5 | Content text, not long reading |
| Black text on #5593D8 | 6.55:1 | AA | Lc 45.0 | Large or bold text, headings |
| #5593D8 text on white | 3.20:1 | AA large text | Lc 59.1 | Large or bold text, headings |
| #5593D8 text on black | 6.55:1 | AA | Lc -42.7 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#CADBEF
oklch(88.5% 0.033 252.5)
-
Step 300
300
#A5C4E7
oklch(80.9% 0.06 251.7)
-
Step 400
400
#74A4DB
oklch(70.6% 0.096 252.5)
-
Step 500
500 (this color)
#5593D8
oklch(65.2% 0.122 252.4)
-
Step 600
600
#3075BE
oklch(55.5% 0.133 252.5)
-
Step 700
700
#2262A4
oklch(49% 0.124 252.4)
-
Step 800
800
#1F5085
oklch(42.6% 0.103 252.9)
-
Step 900
900
#1F436A
oklch(37.7% 0.079 252.3)
-
Step 950
950
#13273E
oklch(26.8% 0.05 253.1)
#5593D8 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) | #7697DB | 0.039 |
| Deuteranopia (no green cones) | #648AD7 | 0.027 |
| Tritanopia (no blue cones) | #00A3AC | 0.100 |
| Achromatopsia (no color) | #909090 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5593D8
#5593D8
oklch(65.2% 0.122 252.4)
- #BD822C
#BD822C
oklch(65.2% 0.122 72.1)
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 #5593D8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.029
- Chefchaouen Blue #4895EF ΔE 0.035
- Cornflower Blue #6495ED ΔE 0.036
- Faded Blue #658CBB ΔE 0.044
- Soft Blue #6488EA ΔE 0.046
- Water Blue #0E87CC ΔE 0.061
- Cool Blue #4984B8 ΔE 0.061
- Dusty Blue #5A86AD ΔE 0.067
Use #5593D8 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.