#5780EC
Closest named color: Soft Blue (#6488EA). oklch(62.4% 0.169 266), rgb(87, 128, 236).
Aa
Black text reads best on this color (5.70:1).
About this color
#5780EC is a medium-light, vivid blue. In OKLCH its lightness is 62%, its chroma 0.169 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.028 away. Black text reads best on it, at 5.70:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.169) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.70:1 |
| White text | 3.68:1 |
Values
| HEX | #5780EC |
| RGB | rgb(87, 128, 236) |
| HSL | hsl(223, 80%, 63%) |
| OKLCH | oklch(62.4% 0.169 266) |
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 #5780EC | 3.68:1 | AA large text | Lc -69.6 | Content text, not long reading |
| Black text on #5780EC | 5.70:1 | AA | Lc 40.0 | Non-text elements, placeholder text |
| #5780EC text on white | 3.68:1 | AA large text | Lc 64.1 | Content text, not long reading |
| #5780EC text on black | 5.70:1 | AA | Lc -37.6 | 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
#A8C0F7
oklch(80.9% 0.083 266.3)
-
Step 400
400
#7A9DF3
oklch(70.7% 0.132 266.3)
-
Step 500
500 (this color)
#5780EC
oklch(62.4% 0.169 266)
-
Step 600
600
#4069DD
oklch(55.6% 0.183 265.9)
-
Step 700
700
#3356C0
oklch(49.1% 0.171 266.3)
-
Step 800
800
#2A479B
oklch(42.6% 0.142 266.1)
-
Step 900
900
#263D7B
oklch(37.7% 0.109 266)
-
Step 950
950
#162448
oklch(26.9% 0.07 265.9)
#5780EC 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) | #4B8CF0 | 0.031 |
| Deuteranopia (no green cones) | #307FEA | 0.034 |
| Tritanopia (no blue cones) | #0099AA | 0.143 |
| Achromatopsia (no color) | #858585 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5780EC
#5780EC
oklch(62.4% 0.169 266)
- #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 #5780EC, closest first.
No curated palette has a color within ΔE 0.04 of #5780EC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.028
- Cornflower #6A79F7 ΔE 0.032
- Dark Sky Blue #448EE4 ΔE 0.042
- Clear Blue #247AFD ΔE 0.051
- Dodger Blue #1E90FF ΔE 0.053
- Chefchaouen Blue #4895EF ΔE 0.054
- Cornflower Blue #6495ED ΔE 0.059
- Royal Blue #4169E1 ΔE 0.067
Use #5780EC 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.