#5584FF
Closest named color: Cornflower (#6A79F7). oklch(64.3% 0.19 265.6), rgb(85, 132, 255).
Aa
Black text reads best on this color (6.13:1).
About this color
#5584FF is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.190 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.033 away. Black text reads best on it, at 6.13:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.190) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 6.13:1 |
| White text | 3.42:1 |
Values
| HEX | #5584FF |
| RGB | rgb(85, 132, 255) |
| HSL | hsl(223, 100%, 67%) |
| OKLCH | oklch(64.3% 0.19 265.6) |
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 #5584FF | 3.42:1 | AA large text | Lc -66.9 | Content text, not long reading |
| Black text on #5584FF | 6.13:1 | AA | Lc 42.7 | Non-text elements, placeholder text |
| #5584FF text on white | 3.42:1 | AA large text | Lc 61.4 | Content text, not long reading |
| #5584FF text on black | 6.13:1 | AA | Lc -40.3 | 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
#F1F5FE
oklch(97% 0.013 266.7)
-
Step 100
100
#E1EAFD
oklch(93.6% 0.028 265.4)
-
Step 200
200
#C9D9FC
oklch(88.5% 0.051 265.9)
-
Step 300
300
#A4C0FD
oklch(80.9% 0.092 265.3)
-
Step 400
400
#749CFD
oklch(70.6% 0.149 265.8)
-
Step 500
500 (this color)
#5584FF
oklch(64.3% 0.19 265.6)
-
Step 600
600
#3865EA
oklch(55.5% 0.207 265.7)
-
Step 700
700
#2B53CB
oklch(49% 0.192 265.5)
-
Step 800
800
#2445A4
oklch(42.7% 0.158 265.5)
-
Step 900
900
#213B82
oklch(37.6% 0.124 265.6)
-
Step 950
950
#14234C
oklch(26.9% 0.078 266.1)
#5584FF 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) | #4093FF | 0.039 |
| Deuteranopia (no green cones) | #0D83FC | 0.044 |
| Tritanopia (no blue cones) | #00A1B5 | 0.156 |
| Achromatopsia (no color) | #8B8B8B | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5584FF
#5584FF
oklch(64.3% 0.19 265.6)
- #B18600
#B18600
oklch(64.4% 0.132 85.8)
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 #5584FF, closest first.
No curated palette has a color within ΔE 0.04 of #5584FF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.033
- Soft Blue #6488EA ΔE 0.038
- Dodger Blue #1E90FF ΔE 0.042
- Clear Blue #247AFD ΔE 0.049
- Dark Sky Blue #448EE4 ΔE 0.053
- Chefchaouen Blue #4895EF ΔE 0.053
- Cornflower Blue #6495ED ΔE 0.059
- Lavender Blue #8B88F8 ΔE 0.069
Use #5584FF 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.