#5593EB
Closest named color: Chefchaouen Blue (#4895EF). oklch(66.2% 0.147 257.4), rgb(85, 147, 235).
Aa
Black text reads best on this color (6.75:1).
About this color
#5593EB is a medium-light, vivid blue. In OKLCH its lightness is 66%, its chroma 0.147 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.012 away. Black text reads best on it, at 6.75:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.147) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 6.75:1 |
| White text | 3.10:1 |
Values
| HEX | #5593EB |
| RGB | rgb(85, 147, 235) |
| HSL | hsl(215, 79%, 63%) |
| OKLCH | oklch(66.2% 0.147 257.4) |
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 #5593EB | 3.10:1 | AA large text | Lc -63.2 | Content text, not long reading |
| Black text on #5593EB | 6.75:1 | AA | Lc 46.3 | Large or bold text, headings |
| #5593EB text on white | 3.10:1 | AA large text | Lc 57.8 | Large or bold text, headings |
| #5593EB text on black | 6.75:1 | AA | Lc -44.0 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF8
oklch(93.6% 0.021 254.9)
-
Step 200
200
#C9DBF4
oklch(88.6% 0.04 256.6)
-
Step 300
300
#A4C3EF
oklch(81% 0.071 257.1)
-
Step 400
400
#72A2E7
oklch(70.6% 0.114 257.4)
-
Step 500
500 (this color)
#5593EB
oklch(66.2% 0.147 257.4)
-
Step 600
600
#2D71CE
oklch(55.5% 0.159 257.3)
-
Step 700
700
#205EB3
oklch(49.1% 0.149 257.6)
-
Step 800
800
#1C4D90
oklch(42.6% 0.123 257.4)
-
Step 900
900
#1D4173
oklch(37.7% 0.095 257.2)
-
Step 950
950
#122643
oklch(26.9% 0.06 257.7)
#5593EB 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) | #6C9AEF | 0.032 |
| Deuteranopia (no green cones) | #578CE9 | 0.018 |
| Tritanopia (no blue cones) | #00A7B4 | 0.119 |
| Achromatopsia (no color) | #929292 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5593EB
#5593EB
oklch(66.2% 0.147 257.4)
- #C18600
#C18600
oklch(66.2% 0.138 77.6)
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 #5593EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.012
- Cornflower Blue #6495ED ΔE 0.017
- Dark Sky Blue #448EE4 ΔE 0.023
- Soft Blue #6488EA ΔE 0.030
- Dodger Blue #1E90FF ΔE 0.046
- Perrywinkle #8F8CE7 ΔE 0.068
- Lavender Blue #8B88F8 ΔE 0.071
- Faded Blue #658CBB ΔE 0.071
Use #5593EB 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.