#5580EB
Closest named color: Soft Blue (#6488EA). oklch(62.2% 0.168 265.4), rgb(85, 128, 235).
Aa
Black text reads best on this color (5.67:1).
About this color
#5580EB is a medium-light, vivid blue. In OKLCH its lightness is 62%, its chroma 0.168 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.029 away. Black text reads best on it, at 5.67:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.168) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.67:1 |
| White text | 3.70:1 |
Values
| HEX | #5580EB |
| RGB | rgb(85, 128, 235) |
| HSL | hsl(223, 79%, 63%) |
| OKLCH | oklch(62.2% 0.168 265.4) |
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 #5580EB | 3.70:1 | AA large text | Lc -69.8 | Content text, not long reading |
| Black text on #5580EB | 5.67:1 | AA | Lc 39.8 | Non-text elements, placeholder text |
| #5580EB text on white | 3.70:1 | AA large text | Lc 64.3 | Content text, not long reading |
| #5580EB text on black | 5.67:1 | AA | Lc -37.4 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E2EAFA
oklch(93.6% 0.023 264.5)
-
Step 200
200
#CBD9F8
oklch(88.5% 0.045 266.2)
-
Step 300
300
#A7C0F7
oklch(80.9% 0.083 265.6)
-
Step 400
400
#799EF3
oklch(70.8% 0.132 265.3)
-
Step 500
500 (this color)
#5580EB
oklch(62.2% 0.168 265.4)
-
Step 600
600
#3E69DC
oklch(55.5% 0.182 265.4)
-
Step 700
700
#3157BF
oklch(49.1% 0.169 265.4)
-
Step 800
800
#29489B
oklch(42.8% 0.141 265.4)
-
Step 900
900
#253D7B
oklch(37.7% 0.11 265.5)
-
Step 950
950
#162448
oklch(26.9% 0.07 265.9)
#5580EB 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) | #4B8CEF | 0.031 |
| Deuteranopia (no green cones) | #307EE9 | 0.033 |
| Tritanopia (no blue cones) | #0099AA | 0.141 |
| Achromatopsia (no color) | #858585 | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5580EB
#5580EB
oklch(62.2% 0.168 265.4)
- #A98000
#A98000
oklch(62.3% 0.127 85.9)
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 #5580EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.029
- Cornflower #6A79F7 ΔE 0.035
- Dark Sky Blue #448EE4 ΔE 0.041
- Clear Blue #247AFD ΔE 0.050
- Dodger Blue #1E90FF ΔE 0.053
- Chefchaouen Blue #4895EF ΔE 0.054
- Cornflower Blue #6495ED ΔE 0.060
- Royal Blue #4169E1 ΔE 0.066
Use #5580EB 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.