#4584FF
Closest named color: Dodger Blue (#1E90FF). oklch(63.7% 0.195 262), rgb(69, 132, 255).
Aa
Black text reads best on this color (5.99:1).
About this color
#4584FF is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.195 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Dodger Blue (#1E90FF), ΔE 0.034 away. Black text reads best on it, at 5.99:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.195) |
| Temperature | cool |
| Nearest name | Dodger Blue (#1E90FF) |
| Black text | 5.99:1 |
| White text | 3.50:1 |
Values
| HEX | #4584FF |
| RGB | rgb(69, 132, 255) |
| HSL | hsl(220, 100%, 64%) |
| OKLCH | oklch(63.7% 0.195 262) |
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 #4584FF | 3.50:1 | AA large text | Lc -67.6 | Content text, not long reading |
| Black text on #4584FF | 5.99:1 | AA | Lc 41.9 | Non-text elements, placeholder text |
| #4584FF text on white | 3.50:1 | AA large text | Lc 62.1 | Content text, not long reading |
| #4584FF text on black | 5.99:1 | AA | Lc -39.6 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EAFD
oklch(93.5% 0.028 263.4)
-
Step 200
200
#C6DAFD
oklch(88.5% 0.053 261.7)
-
Step 300
300
#9FC1FF
oklch(80.9% 0.096 262.2)
-
Step 400
400
#6B9EFF
oklch(70.7% 0.153 262.2)
-
Step 500
500 (this color)
#4584FF
oklch(63.7% 0.195 262)
-
Step 600
600
#2568EC
oklch(55.7% 0.211 262)
-
Step 700
700
#1855CE
oklch(49.1% 0.197 262.1)
-
Step 800
800
#1646A6
oklch(42.6% 0.163 262.1)
-
Step 900
900
#183D84
oklch(37.8% 0.127 261.8)
-
Step 950
950
#0F244D
oklch(27% 0.081 262.1)
#4584FF 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) | #3D92FF | 0.035 |
| Deuteranopia (no green cones) | #0081FD | 0.033 |
| Tritanopia (no blue cones) | #00A1B5 | 0.154 |
| Achromatopsia (no color) | #898989 | 0.195 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4584FF
#4584FF
oklch(63.7% 0.195 262)
- #B28200
#B28200
oklch(63.7% 0.131 82.4)
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 #4584FF, closest first.
No curated palette has a color within ΔE 0.04 of #4584FF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dodger Blue #1E90FF ΔE 0.034
- Clear Blue #247AFD ΔE 0.037
- Cornflower #6A79F7 ΔE 0.043
- Soft Blue #6488EA ΔE 0.046
- Dark Sky Blue #448EE4 ΔE 0.052
- Chefchaouen Blue #4895EF ΔE 0.054
- Cornflower Blue #6495ED ΔE 0.065
- Cerulean Blue #056EEE ΔE 0.074
Use #4584FF 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.