#5584EC
Closest named color: Soft Blue (#6488EA). oklch(63.1% 0.165 264), rgb(85, 132, 236).
Aa
Black text reads best on this color (5.89:1).
About this color
#5584EC is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.165 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.021 away. Black text reads best on it, at 5.89:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.165) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.89:1 |
| White text | 3.56:1 |
Values
| HEX | #5584EC |
| RGB | rgb(85, 132, 236) |
| HSL | hsl(221, 80%, 63%) |
| OKLCH | oklch(63.1% 0.165 264) |
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 #5584EC | 3.56:1 | AA large text | Lc -68.4 | Content text, not long reading |
| Black text on #5584EC | 5.89:1 | AA | Lc 41.2 | Non-text elements, placeholder text |
| #5584EC text on white | 3.56:1 | AA large text | Lc 62.9 | Content text, not long reading |
| #5584EC text on black | 5.89:1 | AA | Lc -38.8 | 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
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E2EAFA
oklch(93.6% 0.023 264.5)
-
Step 200
200
#CADAF8
oklch(88.6% 0.045 263.1)
-
Step 300
300
#A6C1F6
oklch(81% 0.081 263.6)
-
Step 400
400
#779FF1
oklch(70.8% 0.129 263.7)
-
Step 500
500 (this color)
#5584EC
oklch(63.1% 0.165 264)
-
Step 600
600
#3B6BDA
oklch(55.6% 0.178 263.9)
-
Step 700
700
#2E58BD
oklch(49% 0.166 264.2)
-
Step 800
800
#264999
oklch(42.7% 0.137 263.8)
-
Step 900
900
#233E7A
oklch(37.7% 0.107 263.8)
-
Step 950
950
#152547
oklch(27.1% 0.067 263.6)
#5584EC 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) | #528FF0 | 0.028 |
| Deuteranopia (no green cones) | #3981EA | 0.027 |
| Tritanopia (no blue cones) | #009CAC | 0.138 |
| Achromatopsia (no color) | #888888 | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5584EC
#5584EC
oklch(63.1% 0.165 264)
- #AE8100
#AE8100
oklch(63% 0.129 83.9)
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 #5584EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.021
- Dark Sky Blue #448EE4 ΔE 0.033
- Cornflower #6A79F7 ΔE 0.039
- Chefchaouen Blue #4895EF ΔE 0.044
- Dodger Blue #1E90FF ΔE 0.047
- Cornflower Blue #6495ED ΔE 0.050
- Clear Blue #247AFD ΔE 0.055
- Water Blue #0E87CC ΔE 0.069
Use #5584EC 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.