#5378FF
Closest named color: Cornflower (#6A79F7). oklch(61.9% 0.205 268.3), rgb(83, 120, 255).
Aa
Black text reads best on this color (5.49:1).
About this color
#5378FF is a medium-dark, vivid blue. In OKLCH its lightness is 62%, its chroma 0.205 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 5.49:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.205) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.49:1 |
| White text | 3.81:1 |
Values
| HEX | #5378FF |
| RGB | rgb(83, 120, 255) |
| HSL | hsl(227, 100%, 66%) |
| OKLCH | oklch(61.9% 0.205 268.3) |
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 #5378FF | 3.81:1 | AA large text | Lc -70.8 | Content text, not long reading |
| Black text on #5378FF | 5.49:1 | AA | Lc 38.8 | Non-text elements, placeholder text |
| #5378FF text on white | 3.81:1 | AA large text | Lc 65.3 | Content text, not long reading |
| #5378FF text on black | 5.49:1 | AA | Lc -36.4 | 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
#F1F5FF
oklch(97% 0.014 268.5)
-
Step 100
100
#E2EAFE
oklch(93.7% 0.028 268.4)
-
Step 200
200
#C9D9FF
oklch(88.6% 0.055 267.2)
-
Step 300
300
#A6BFFF
oklch(80.9% 0.095 267.8)
-
Step 400
400
#799AFF
oklch(70.6% 0.153 268.6)
-
Step 500
500 (this color)
#5378FF
oklch(61.9% 0.205 268.3)
-
Step 600
600
#3F60F3
oklch(55.6% 0.223 268.3)
-
Step 700
700
#324ED3
oklch(49.1% 0.206 268.3)
-
Step 800
800
#2941AB
oklch(42.7% 0.172 268.2)
-
Step 900
900
#243987
oklch(37.7% 0.133 268)
-
Step 950
950
#15224F
oklch(27% 0.084 268.2)
#5378FF 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) | #128BFF | 0.055 |
| Deuteranopia (no green cones) | #007BFC | 0.045 |
| Tritanopia (no blue cones) | #0098B0 | 0.166 |
| Achromatopsia (no color) | #828282 | 0.205 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5378FF
#5378FF
oklch(61.9% 0.205 268.3)
- #A58000
#A58000
oklch(61.8% 0.126 88.2)
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 #5378FF, closest first.
No curated palette has a color within ΔE 0.04 of #5378FF.
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 0.036
- Soft Blue #6488EA ΔE 0.059
- Royal Blue #4169E1 ΔE 0.062
- Medium Slate Blue #7B68EE ΔE 0.062
- Dodger Blue #1E90FF ΔE 0.063
- Neon Blue #4361EE ΔE 0.064
- Cerulean Blue #056EEE ΔE 0.065
Use #5378FF 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.