#5783F4
Closest named color: Soft Blue (#6488EA). oklch(63.5% 0.176 265.6), rgb(87, 131, 244).
Aa
Black text reads best on this color (5.95:1).
About this color
#5783F4 is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.176 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.026 away. Black text reads best on it, at 5.95:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.176) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.95:1 |
| White text | 3.52:1 |
Values
| HEX | #5783F4 |
| RGB | rgb(87, 131, 244) |
| HSL | hsl(223, 88%, 65%) |
| OKLCH | oklch(63.5% 0.176 265.6) |
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 #5783F4 | 3.52:1 | AA large text | Lc -68.0 | Content text, not long reading |
| Black text on #5783F4 | 5.95:1 | AA | Lc 41.6 | Non-text elements, placeholder text |
| #5783F4 text on white | 3.52:1 | AA large text | Lc 62.5 | Content text, not long reading |
| #5783F4 text on black | 5.95:1 | AA | Lc -39.2 | 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
#CAD9FA
oklch(88.5% 0.048 266)
-
Step 300
300
#A6C0F9
oklch(80.9% 0.086 265.5)
-
Step 400
400
#779DF6
oklch(70.6% 0.138 265.5)
-
Step 500
500 (this color)
#5783F4
oklch(63.5% 0.176 265.6)
-
Step 600
600
#3D68E1
oklch(55.6% 0.191 265.7)
-
Step 700
700
#2F56C4
oklch(49.2% 0.178 265.4)
-
Step 800
800
#28479E
oklch(42.8% 0.146 265.7)
-
Step 900
900
#243C7E
oklch(37.6% 0.116 266)
-
Step 950
950
#15244A
oklch(27% 0.073 265.6)
#5783F4 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) | #4A90F8 | 0.033 |
| Deuteranopia (no green cones) | #2B82F2 | 0.036 |
| Tritanopia (no blue cones) | #009DB0 | 0.146 |
| Achromatopsia (no color) | #888888 | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5783F4
#5783F4
oklch(63.5% 0.176 265.6)
- #AE8300
#AE8300
oklch(63.4% 0.13 85.3)
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 #5783F4, closest first.
No curated palette has a color within ΔE 0.04 of #5783F4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.026
- Cornflower #6A79F7 ΔE 0.031
- Dark Sky Blue #448EE4 ΔE 0.043
- Dodger Blue #1E90FF ΔE 0.045
- Chefchaouen Blue #4895EF ΔE 0.049
- Clear Blue #247AFD ΔE 0.051
- Cornflower Blue #6495ED ΔE 0.054
- Lavender Blue #8B88F8 ΔE 0.068
Use #5783F4 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.