#5784FB
Closest named color: Cornflower (#6A79F7). oklch(64.2% 0.184 265.8), rgb(87, 132, 251).
Aa
Black text reads best on this color (6.09:1).
About this color
#5784FB is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.184 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.031 away. Black text reads best on it, at 6.09:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.184) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 6.09:1 |
| White text | 3.44:1 |
Values
| HEX | #5784FB |
| RGB | rgb(87, 132, 251) |
| HSL | hsl(224, 95%, 66%) |
| OKLCH | oklch(64.2% 0.184 265.8) |
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 #5784FB | 3.44:1 | AA large text | Lc -67.1 | Content text, not long reading |
| Black text on #5784FB | 6.09:1 | AA | Lc 42.4 | Non-text elements, placeholder text |
| #5784FB text on white | 3.44:1 | AA large text | Lc 61.6 | Content text, not long reading |
| #5784FB text on black | 6.09:1 | 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
#E2EAFC
oklch(93.6% 0.026 266.6)
-
Step 200
200
#CAD9FB
oklch(88.5% 0.05 266.5)
-
Step 300
300
#A5C0FC
oklch(80.9% 0.09 265.7)
-
Step 400
400
#769DFA
oklch(70.8% 0.143 265.7)
-
Step 500
500 (this color)
#5784FB
oklch(64.2% 0.184 265.8)
-
Step 600
600
#3B66E6
oklch(55.5% 0.2 265.9)
-
Step 700
700
#2E54C8
oklch(49.1% 0.186 265.9)
-
Step 800
800
#2646A2
oklch(42.8% 0.154 265.6)
-
Step 900
900
#233C80
oklch(37.7% 0.119 265.7)
-
Step 950
950
#15244B
oklch(27.1% 0.075 265.8)
#5784FB 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) | #4592FF | 0.036 |
| Deuteranopia (no green cones) | #1F83F9 | 0.041 |
| Tritanopia (no blue cones) | #00A0B3 | 0.153 |
| Achromatopsia (no color) | #8A8A8A | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5784FB
#5784FB
oklch(64.2% 0.184 265.8)
- #B08500
#B08500
oklch(64.1% 0.131 85.6)
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 #5784FB, closest first.
No curated palette has a color within ΔE 0.04 of #5784FB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.031
- Soft Blue #6488EA ΔE 0.032
- Dodger Blue #1E90FF ΔE 0.043
- Dark Sky Blue #448EE4 ΔE 0.049
- Chefchaouen Blue #4895EF ΔE 0.050
- Clear Blue #247AFD ΔE 0.051
- Cornflower Blue #6495ED ΔE 0.055
- Lavender Blue #8B88F8 ΔE 0.066
Use #5784FB 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.