#5B84F8
Closest named color: Soft Blue (#6488EA). oklch(64.2% 0.179 266.7), rgb(91, 132, 248).
Aa
Black text reads best on this color (6.10:1).
About this color
#5B84F8 is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.179 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.027 away. Black text reads best on it, at 6.10:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.179) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.10:1 |
| White text | 3.44:1 |
Values
| HEX | #5B84F8 |
| RGB | rgb(91, 132, 248) |
| HSL | hsl(224, 92%, 66%) |
| OKLCH | oklch(64.2% 0.179 266.7) |
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 #5B84F8 | 3.44:1 | AA large text | Lc -67.1 | Content text, not long reading |
| Black text on #5B84F8 | 6.10:1 | AA | Lc 42.4 | Non-text elements, placeholder text |
| #5B84F8 text on white | 3.44:1 | AA large text | Lc 61.6 | Content text, not long reading |
| #5B84F8 text on black | 6.10:1 | AA | Lc -40.1 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFB
oklch(93.6% 0.025 265.6)
-
Step 200
200
#CBD9FA
oklch(88.5% 0.048 267.2)
-
Step 300
300
#A7C0FA
oklch(81% 0.087 266.4)
-
Step 400
400
#799CF8
oklch(70.7% 0.141 267)
-
Step 500
500 (this color)
#5B84F8
oklch(64.2% 0.179 266.7)
-
Step 600
600
#3F67E3
oklch(55.7% 0.194 266.5)
-
Step 700
700
#3254C5
oklch(49% 0.181 266.8)
-
Step 800
800
#2A469F
oklch(42.7% 0.148 266.7)
-
Step 900
900
#253C7F
oklch(37.8% 0.117 266.5)
-
Step 950
950
#16244A
oklch(27.1% 0.073 266.4)
#5B84F8 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) | #4992FC | 0.036 |
| Deuteranopia (no green cones) | #2A84F6 | 0.039 |
| Tritanopia (no blue cones) | #009FB2 | 0.151 |
| Achromatopsia (no color) | #8A8A8A | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B84F8
#5B84F8
oklch(64.2% 0.179 266.7)
- #AF8600
#AF8600
oklch(64.2% 0.131 86.9)
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 #5B84F8, closest first.
No curated palette has a color within ΔE 0.04 of #5B84F8.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.027
- Cornflower #6A79F7 ΔE 0.030
- Dodger Blue #1E90FF ΔE 0.046
- Dark Sky Blue #448EE4 ΔE 0.047
- Chefchaouen Blue #4895EF ΔE 0.049
- Cornflower Blue #6495ED ΔE 0.052
- Clear Blue #247AFD ΔE 0.055
- Lavender Blue #8B88F8 ΔE 0.062
Use #5B84F8 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.