#5584FE
Closest named color: Cornflower (#6A79F7). oklch(64.3% 0.188 265.5), rgb(85, 132, 254).
Aa
Black text reads best on this color (6.11:1).
About this color
#5584FE is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.188 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 6.11:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.188) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 6.11:1 |
| White text | 3.43:1 |
Values
| HEX | #5584FE |
| RGB | rgb(85, 132, 254) |
| HSL | hsl(223, 99%, 66%) |
| OKLCH | oklch(64.3% 0.188 265.5) |
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 #5584FE | 3.43:1 | AA large text | Lc -67.0 | Content text, not long reading |
| Black text on #5584FE | 6.11:1 | AA | Lc 42.6 | Non-text elements, placeholder text |
| #5584FE text on white | 3.43:1 | AA large text | Lc 61.5 | Content text, not long reading |
| #5584FE text on black | 6.11:1 | AA | Lc -40.2 | 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
#E1EAFC
oklch(93.6% 0.026 264.4)
-
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
#749CFC
oklch(70.6% 0.148 265.7)
-
Step 500
500 (this color)
#5584FE
oklch(64.3% 0.188 265.5)
-
Step 600
600
#3866E9
oklch(55.6% 0.205 265.4)
-
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)
#5584FE 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) | #4193FF | 0.038 |
| Deuteranopia (no green cones) | #1283FC | 0.042 |
| Tritanopia (no blue cones) | #00A0B5 | 0.154 |
| Achromatopsia (no color) | #8A8A8A | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5584FE
#5584FE
oklch(64.3% 0.188 265.5)
- #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 #5584FE, closest first.
No curated palette has a color within ΔE 0.04 of #5584FE.
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 0.037
- Dodger Blue #1E90FF ΔE 0.042
- Clear Blue #247AFD ΔE 0.049
- Dark Sky Blue #448EE4 ΔE 0.052
- Chefchaouen Blue #4895EF ΔE 0.052
- Cornflower Blue #6495ED ΔE 0.058
- Lavender Blue #8B88F8 ΔE 0.069
Use #5584FE 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.