#5C81DF
Closest named color: Soft Blue (#6488EA). oklch(62.1% 0.148 266), rgb(92, 129, 223).
Aa
Black text reads best on this color (5.66:1).
About this color
#5C81DF is a medium-light, vivid blue. In OKLCH its lightness is 62%, its chroma 0.148 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 5.66:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.148) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.66:1 |
| White text | 3.70:1 |
Values
| HEX | #5C81DF |
| RGB | rgb(92, 129, 223) |
| HSL | hsl(223, 67%, 62%) |
| OKLCH | oklch(62.1% 0.148 266) |
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 #5C81DF | 3.70:1 | AA large text | Lc -70.0 | Content text, not long reading |
| Black text on #5C81DF | 5.66:1 | AA | Lc 39.6 | Non-text elements, placeholder text |
| #5C81DF text on white | 3.70:1 | AA large text | Lc 64.5 | Content text, not long reading |
| #5C81DF text on black | 5.66:1 | AA | Lc -37.2 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E3EAF8
oklch(93.6% 0.02 264.5)
-
Step 200
200
#CDD9F5
oklch(88.5% 0.041 267.1)
-
Step 300
300
#ABC0F0
oklch(80.9% 0.072 266.3)
-
Step 400
400
#7F9EE9
oklch(70.7% 0.116 266.4)
-
Step 500
500 (this color)
#5C81DF
oklch(62.1% 0.148 266)
-
Step 600
600
#466CD0
oklch(55.6% 0.16 265.8)
-
Step 700
700
#3859B5
oklch(49.1% 0.151 266.1)
-
Step 800
800
#2F4992
oklch(42.6% 0.124 266.4)
-
Step 900
900
#293E74
oklch(37.6% 0.096 266)
-
Step 950
950
#182544
oklch(27% 0.061 265.4)
#5C81DF 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) | #578BE3 | 0.026 |
| Deuteranopia (no green cones) | #457FDD | 0.025 |
| Tritanopia (no blue cones) | #0096A5 | 0.130 |
| Achromatopsia (no color) | #858585 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C81DF
#5C81DF
oklch(62.1% 0.148 266)
- #A87F00
#A87F00
oklch(61.9% 0.127 85.8)
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 #5C81DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.026
- Dark Sky Blue #448EE4 ΔE 0.037
- Cornflower #6A79F7 ΔE 0.046
- Chefchaouen Blue #4895EF ΔE 0.054
- Cornflower Blue #6495ED ΔE 0.056
- Water Blue #0E87CC ΔE 0.063
- Dodger Blue #1E90FF ΔE 0.064
- Cool Blue #4984B8 ΔE 0.067
Use #5C81DF 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.