#5C78F6
Closest named color: Cornflower (#6A79F7). oklch(61.8% 0.19 270.5), rgb(92, 120, 246).
Aa
Black text reads best on this color (5.47:1).
About this color
#5C78F6 is a medium-dark, vivid blue. In OKLCH its lightness is 62%, its chroma 0.190 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.018 away. Black text reads best on it, at 5.47:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.190) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.47:1 |
| White text | 3.83:1 |
Values
| HEX | #5C78F6 |
| RGB | rgb(92, 120, 246) |
| HSL | hsl(229, 90%, 66%) |
| OKLCH | oklch(61.8% 0.19 270.5) |
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 #5C78F6 | 3.83:1 | AA large text | Lc -71.0 | Content text, not long reading |
| Black text on #5C78F6 | 5.47:1 | AA | Lc 38.6 | Non-text elements, placeholder text |
| #5C78F6 text on white | 3.83:1 | AA large text | Lc 65.5 | Content text, not long reading |
| #5C78F6 text on black | 5.47:1 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3E9FD
oklch(93.5% 0.028 272.5)
-
Step 200
200
#CCD8FC
oklch(88.5% 0.051 270.8)
-
Step 300
300
#AABEFE
oklch(81% 0.094 270.8)
-
Step 400
400
#7E99FD
oklch(70.6% 0.149 270.8)
-
Step 500
500 (this color)
#5C78F6
oklch(61.8% 0.19 270.5)
-
Step 600
600
#4961EA
oklch(55.6% 0.207 270.5)
-
Step 700
700
#3B4FCB
oklch(49% 0.192 270.5)
-
Step 800
800
#3142A4
oklch(42.7% 0.158 270.7)
-
Step 900
900
#2A3982
oklch(37.6% 0.124 270.6)
-
Step 950
950
#18224C
oklch(26.9% 0.079 270.3)
#5C78F6 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) | #2C89FA | 0.051 |
| Deuteranopia (no green cones) | #007CF3 | 0.055 |
| Tritanopia (no blue cones) | #0095AC | 0.159 |
| Achromatopsia (no color) | #828282 | 0.191 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C78F6
#5C78F6
oklch(61.8% 0.19 270.5)
- #A28100
#A28100
oklch(61.7% 0.126 90.6)
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 #5C78F6, closest first.
No curated palette has a color within ΔE 0.04 of #5C78F6.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.018
- Clear Blue #247AFD ΔE 0.046
- Soft Blue #6488EA ΔE 0.049
- Medium Slate Blue #7B68EE ΔE 0.052
- Royal Blue #4169E1 ΔE 0.059
- Neon Blue #4361EE ΔE 0.066
- Dodger Blue #1E90FF ΔE 0.067
- Dark Sky Blue #448EE4 ΔE 0.068
Use #5C78F6 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.