#5B84FF
Closest named color: Cornflower (#6A79F7). oklch(64.6% 0.188 267.2), rgb(91, 132, 255).
Aa
Black text reads best on this color (6.18:1).
About this color
#5B84FF is a medium-light, vivid blue. In OKLCH its lightness is 65%, its chroma 0.188 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.030 away. Black text reads best on it, at 6.18:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.188) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 6.18:1 |
| White text | 3.39:1 |
Values
| HEX | #5B84FF |
| RGB | rgb(91, 132, 255) |
| HSL | hsl(225, 100%, 68%) |
| OKLCH | oklch(64.6% 0.188 267.2) |
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 #5B84FF | 3.39:1 | AA large text | Lc -66.5 | Content text, not long reading |
| Black text on #5B84FF | 6.18:1 | AA | Lc 43.0 | Non-text elements, placeholder text |
| #5B84FF text on white | 3.39:1 | AA large text | Lc 61.1 | Content text, not long reading |
| #5B84FF text on black | 6.18:1 | AA | Lc -40.6 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFC
oklch(93.6% 0.026 266.6)
-
Step 200
200
#CAD9FC
oklch(88.5% 0.051 267)
-
Step 300
300
#A6BFFD
oklch(80.8% 0.092 267.4)
-
Step 400
400
#789CFC
oklch(70.8% 0.146 267.1)
-
Step 500
500 (this color)
#5B84FF
oklch(64.6% 0.188 267.2)
-
Step 600
600
#3E65E9
oklch(55.7% 0.204 266.9)
-
Step 700
700
#3152CA
oklch(49% 0.19 267.1)
-
Step 800
800
#2944A4
oklch(42.7% 0.158 267.3)
-
Step 900
900
#253B82
oklch(37.8% 0.123 267.3)
-
Step 950
950
#15234C
oklch(27% 0.078 266.9)
#5B84FF 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) | #4293FF | 0.040 |
| Deuteranopia (no green cones) | #1884FC | 0.046 |
| Tritanopia (no blue cones) | #00A1B5 | 0.158 |
| Achromatopsia (no color) | #8B8B8B | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B84FF
#5B84FF
oklch(64.6% 0.188 267.2)
- #B08800
#B08800
oklch(64.7% 0.132 87.7)
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 #5B84FF, closest first.
No curated palette has a color within ΔE 0.04 of #5B84FF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.030
- Soft Blue #6488EA ΔE 0.036
- Dodger Blue #1E90FF ΔE 0.046
- Chefchaouen Blue #4895EF ΔE 0.054
- Clear Blue #247AFD ΔE 0.054
- Dark Sky Blue #448EE4 ΔE 0.055
- Cornflower Blue #6495ED ΔE 0.057
- Lavender Blue #8B88F8 ΔE 0.063
Use #5B84FF 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.