#5373FF
Closest named color: Cornflower (#6A79F7). oklch(61% 0.211 269.4), rgb(83, 115, 255).
Aa
Black text reads best on this color (5.26:1).
About this color
#5373FF is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.211 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.035 away. Black text reads best on it, at 5.26:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.211) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.26:1 |
| White text | 3.98:1 |
Values
| HEX | #5373FF |
| RGB | rgb(83, 115, 255) |
| HSL | hsl(229, 100%, 66%) |
| OKLCH | oklch(61% 0.211 269.4) |
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 #5373FF | 3.98:1 | AA large text | Lc -72.3 | Content text, not long reading |
| Black text on #5373FF | 5.26:1 | AA | Lc 37.3 | Non-text elements, placeholder text |
| #5373FF text on white | 3.98:1 | AA large text | Lc 66.8 | Content text, not long reading |
| #5373FF text on black | 5.26:1 | AA | Lc -34.9 | 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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E2EAFF
oklch(93.7% 0.03 269.1)
-
Step 200
200
#CAD8FF
oklch(88.4% 0.056 269.7)
-
Step 300
300
#A8BEFF
oklch(80.9% 0.096 269.8)
-
Step 400
400
#7B9AFF
oklch(70.8% 0.152 269.4)
-
Step 500
500 (this color)
#5373FF
oklch(61% 0.211 269.4)
-
Step 600
600
#425DF6
oklch(55.5% 0.229 269.5)
-
Step 700
700
#354BD7
oklch(49.1% 0.214 269.5)
-
Step 800
800
#2C3FAD
oklch(42.7% 0.176 269.6)
-
Step 900
900
#263889
oklch(37.8% 0.137 269.3)
-
Step 950
950
#162150
oklch(26.9% 0.087 269.7)
#5373FF 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) | #0087FF | 0.058 |
| Deuteranopia (no green cones) | #0078FC | 0.047 |
| Tritanopia (no blue cones) | #0095AE | 0.172 |
| Achromatopsia (no color) | #7F7F7F | 0.211 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5373FF
#5373FF
oklch(61% 0.211 269.4)
- #A17E00
#A17E00
oklch(61% 0.125 89.1)
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 #5373FF, closest first.
No curated palette has a color within ΔE 0.04 of #5373FF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.035
- Clear Blue #247AFD ΔE 0.037
- Neon Blue #4361EE ΔE 0.054
- Royal Blue #4169E1 ΔE 0.056
- Medium Slate Blue #7B68EE ΔE 0.059
- Cerulean Blue #056EEE ΔE 0.060
- Bright Blue #0165FC ΔE 0.067
- Soft Blue #6488EA ΔE 0.069
Use #5373FF 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.