#5278FC
Closest named color: Cornflower (#6A79F7). oklch(61.7% 0.201 267.9), rgb(82, 120, 252).
Aa
Black text reads best on this color (5.45:1).
About this color
#5278FC is a medium-dark, vivid blue. In OKLCH its lightness is 62%, its chroma 0.201 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.029 away. Black text reads best on it, at 5.45:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.201) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.45:1 |
| White text | 3.85:1 |
Values
| HEX | #5278FC |
| RGB | rgb(82, 120, 252) |
| HSL | hsl(227, 97%, 65%) |
| OKLCH | oklch(61.7% 0.201 267.9) |
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 #5278FC | 3.85:1 | AA large text | Lc -71.1 | Content text, not long reading |
| Black text on #5278FC | 5.45:1 | AA | Lc 38.5 | Non-text elements, placeholder text |
| #5278FC text on white | 3.85:1 | AA large text | Lc 65.6 | Content text, not long reading |
| #5278FC text on black | 5.45:1 | AA | Lc -36.1 | 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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E2EAFE
oklch(93.7% 0.028 268.4)
-
Step 200
200
#C9D9FE
oklch(88.5% 0.054 266.8)
-
Step 300
300
#A6BFFF
oklch(80.9% 0.095 267.8)
-
Step 400
400
#789BFF
oklch(70.8% 0.152 267.9)
-
Step 500
500 (this color)
#5278FC
oklch(61.7% 0.201 267.9)
-
Step 600
600
#3E61F1
oklch(55.6% 0.219 267.9)
-
Step 700
700
#314FD1
oklch(49.1% 0.203 267.8)
-
Step 800
800
#2942A9
oklch(42.7% 0.168 268)
-
Step 900
900
#243986
oklch(37.6% 0.132 267.9)
-
Step 950
950
#15224E
oklch(26.9% 0.083 268)
#5278FC 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) | #1B8AFF | 0.051 |
| Deuteranopia (no green cones) | #007AF9 | 0.045 |
| Tritanopia (no blue cones) | #0098AF | 0.164 |
| Achromatopsia (no color) | #828282 | 0.201 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5278FC
#5278FC
oklch(61.7% 0.201 267.9)
- #A57F00
#A57F00
oklch(61.6% 0.126 87.5)
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 #5278FC, closest first.
No curated palette has a color within ΔE 0.04 of #5278FC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.029
- Clear Blue #247AFD ΔE 0.034
- Soft Blue #6488EA ΔE 0.057
- Royal Blue #4169E1 ΔE 0.058
- Medium Slate Blue #7B68EE ΔE 0.062
- Cerulean Blue #056EEE ΔE 0.062
- Neon Blue #4361EE ΔE 0.062
- Dodger Blue #1E90FF ΔE 0.062
Use #5278FC 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.