#5184FB
Closest named color: Cornflower (#6A79F7). oklch(63.9% 0.186 264.3), rgb(81, 132, 251).
Aa
Black text reads best on this color (6.04:1).
About this color
#5184FB is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.186 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.035 away. Black text reads best on it, at 6.04:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.186) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 6.04:1 |
| White text | 3.47:1 |
Values
| HEX | #5184FB |
| RGB | rgb(81, 132, 251) |
| HSL | hsl(222, 96%, 65%) |
| OKLCH | oklch(63.9% 0.186 264.3) |
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 #5184FB | 3.47:1 | AA large text | Lc -67.4 | Content text, not long reading |
| Black text on #5184FB | 6.04:1 | AA | Lc 42.1 | Non-text elements, placeholder text |
| #5184FB text on white | 3.47:1 | AA large text | Lc 61.9 | Content text, not long reading |
| #5184FB text on black | 6.04:1 | AA | Lc -39.8 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C9D9FB
oklch(88.4% 0.05 265.4)
-
Step 300
300
#A3C0FC
oklch(80.8% 0.091 264.4)
-
Step 400
400
#729DFB
oklch(70.6% 0.146 264.4)
-
Step 500
500 (this color)
#5184FB
oklch(63.9% 0.186 264.3)
-
Step 600
600
#3467E7
oklch(55.5% 0.202 264.3)
-
Step 700
700
#2855C9
oklch(49.2% 0.187 264.4)
-
Step 800
800
#2246A2
oklch(42.6% 0.155 264.5)
-
Step 900
900
#203C81
oklch(37.7% 0.121 264.6)
-
Step 950
950
#13244B
oklch(27% 0.076 264.2)
#5184FB 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) | #4492FF | 0.035 |
| Deuteranopia (no green cones) | #1882F9 | 0.038 |
| Tritanopia (no blue cones) | #00A0B3 | 0.152 |
| Achromatopsia (no color) | #8A8A8A | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5184FB
#5184FB
oklch(63.9% 0.186 264.3)
- #B18400
#B18400
oklch(64% 0.131 84.4)
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 #5184FB, closest first.
No curated palette has a color within ΔE 0.04 of #5184FB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.035
- Soft Blue #6488EA ΔE 0.035
- Dodger Blue #1E90FF ΔE 0.039
- Clear Blue #247AFD ΔE 0.045
- Dark Sky Blue #448EE4 ΔE 0.047
- Chefchaouen Blue #4895EF ΔE 0.050
- Cornflower Blue #6495ED ΔE 0.058
- Lavender Blue #8B88F8 ΔE 0.072
Use #5184FB 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.