#5373F3
Closest named color: Cornflower (#6A79F7). oklch(60.1% 0.195 269.2), rgb(83, 115, 243).
Aa
Black text reads best on this color (5.11:1).
About this color
#5373F3 is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.195 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.034 away. Black text reads best on it, at 5.11:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.195) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.11:1 |
| White text | 4.10:1 |
Values
| HEX | #5373F3 |
| RGB | rgb(83, 115, 243) |
| HSL | hsl(228, 87%, 64%) |
| OKLCH | oklch(60.1% 0.195 269.2) |
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 #5373F3 | 4.10:1 | AA large text | Lc -73.3 | Content text, not long reading |
| Black text on #5373F3 | 5.11:1 | AA | Lc 36.3 | Non-text elements, placeholder text |
| #5373F3 text on white | 4.10:1 | AA large text | Lc 67.8 | Content text, not long reading |
| #5373F3 text on black | 5.11:1 | AA | Lc -33.9 | 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
#E2EAFD
oklch(93.7% 0.027 267.5)
-
Step 200
200
#CBD8FD
oklch(88.4% 0.053 270)
-
Step 300
300
#A8BEFF
oklch(80.9% 0.096 269.8)
-
Step 400
400
#7A9AFF
oklch(70.7% 0.152 269)
-
Step 500
500 (this color)
#5373F3
oklch(60.1% 0.195 269.2)
-
Step 600
600
#4461ED
oklch(55.5% 0.213 269.3)
-
Step 700
700
#374FCE
oklch(49.1% 0.197 269.4)
-
Step 800
800
#2D42A6
oklch(42.7% 0.162 269.2)
-
Step 900
900
#273984
oklch(37.6% 0.128 269.2)
-
Step 950
950
#17224D
oklch(26.9% 0.081 269.5)
#5373F3 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) | #1985F7 | 0.053 |
| Deuteranopia (no green cones) | #0076F0 | 0.048 |
| Tritanopia (no blue cones) | #0091A8 | 0.160 |
| Achromatopsia (no color) | #7D7D7D | 0.195 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5373F3
#5373F3
oklch(60.1% 0.195 269.2)
- #9E7C00
#9E7C00
oklch(60.2% 0.123 89.4)
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 #5373F3, closest first.
No curated palette has a color within ΔE 0.04 of #5373F3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.034
- Clear Blue #247AFD ΔE 0.039
- Royal Blue #4169E1 ΔE 0.043
- Neon Blue #4361EE ΔE 0.049
- Cerulean Blue #056EEE ΔE 0.054
- Medium Slate Blue #7B68EE ΔE 0.055
- Soft Blue #6488EA ΔE 0.062
- Bright Blue #0165FC ΔE 0.068
Use #5373F3 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.