#5D81F3
Closest named color: Cornflower (#6A79F7). oklch(63.4% 0.175 268), rgb(93, 129, 243).
Aa
Black text reads best on this color (5.89:1).
About this color
#5D81F3 is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.175 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.024 away. Black text reads best on it, at 5.89:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.175) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.89:1 |
| White text | 3.55:1 |
Values
| HEX | #5D81F3 |
| RGB | rgb(93, 129, 243) |
| HSL | hsl(226, 86%, 66%) |
| OKLCH | oklch(63.4% 0.175 268) |
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 #5D81F3 | 3.55:1 | AA large text | Lc -68.4 | Content text, not long reading |
| Black text on #5D81F3 | 5.89:1 | AA | Lc 41.2 | Non-text elements, placeholder text |
| #5D81F3 text on white | 3.55:1 | AA large text | Lc 62.9 | Content text, not long reading |
| #5D81F3 text on black | 5.89:1 | AA | Lc -38.8 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAFB
oklch(93.7% 0.024 267.9)
-
Step 200
200
#CCD9FA
oklch(88.6% 0.048 268.4)
-
Step 300
300
#A9BFF9
oklch(80.9% 0.086 268.4)
-
Step 400
400
#7C9CF6
oklch(70.7% 0.137 268)
-
Step 500
500 (this color)
#5D81F3
oklch(63.4% 0.175 268)
-
Step 600
600
#4466E1
oklch(55.5% 0.191 267.9)
-
Step 700
700
#3754C3
oklch(49.1% 0.177 268.1)
-
Step 800
800
#2D469E
oklch(42.8% 0.146 267.8)
-
Step 900
900
#283C7D
oklch(37.8% 0.113 267.8)
-
Step 950
950
#172349
oklch(26.8% 0.072 268.1)
#5D81F3 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) | #488FF7 | 0.037 |
| Deuteranopia (no green cones) | #2C81F1 | 0.041 |
| Tritanopia (no blue cones) | #009BAE | 0.149 |
| Achromatopsia (no color) | #888888 | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5D81F3
#5D81F3
oklch(63.4% 0.175 268)
- #AB8400
#AB8400
oklch(63.3% 0.129 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 #5D81F3, closest first.
No curated palette has a color within ΔE 0.04 of #5D81F3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.024
- Soft Blue #6488EA ΔE 0.026
- Dark Sky Blue #448EE4 ΔE 0.048
- Dodger Blue #1E90FF ΔE 0.053
- Chefchaouen Blue #4895EF ΔE 0.054
- Clear Blue #247AFD ΔE 0.054
- Cornflower Blue #6495ED ΔE 0.056
- Lavender Blue #8B88F8 ΔE 0.064
Use #5D81F3 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.