#5C81D3
Closest named color: Soft Blue (#6488EA). oklch(61.4% 0.132 264.5), rgb(92, 129, 211).
Aa
Black text reads best on this color (5.53:1).
About this color
#5C81D3 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.132 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.039 away. Black text reads best on it, at 5.53:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.132) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.53:1 |
| White text | 3.79:1 |
Values
| HEX | #5C81D3 |
| RGB | rgb(92, 129, 211) |
| HSL | hsl(221, 57%, 59%) |
| OKLCH | oklch(61.4% 0.132 264.5) |
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 #5C81D3 | 3.79:1 | AA large text | Lc -70.8 | Content text, not long reading |
| Black text on #5C81D3 | 5.53:1 | AA | Lc 38.8 | Non-text elements, placeholder text |
| #5C81D3 text on white | 3.79:1 | AA large text | Lc 65.3 | Content text, not long reading |
| #5C81D3 text on black | 5.53:1 | AA | Lc -36.4 | 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
#F2F5FB
oklch(97% 0.009 264.5)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CDD9F2
oklch(88.4% 0.037 265.1)
-
Step 300
300
#ACC1EB
oklch(80.9% 0.064 264.1)
-
Step 400
400
#80A0E1
oklch(70.8% 0.102 263.9)
-
Step 500
500 (this color)
#5C81D3
oklch(61.4% 0.132 264.5)
-
Step 600
600
#486EC6
oklch(55.5% 0.143 264.6)
-
Step 700
700
#3A5CAB
oklch(49.1% 0.132 264.5)
-
Step 800
800
#304B8B
oklch(42.6% 0.111 264.9)
-
Step 900
900
#2A3F6F
oklch(37.6% 0.087 264.8)
-
Step 950
950
#192541
oklch(26.9% 0.055 265.3)
#5C81D3 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) | #5F89D6 | 0.022 |
| Deuteranopia (no green cones) | #507ED1 | 0.017 |
| Tritanopia (no blue cones) | #0493A0 | 0.118 |
| Achromatopsia (no color) | #838383 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C81D3
#5C81D3
oklch(61.4% 0.132 264.5)
- #A77D00
#A77D00
oklch(61.4% 0.126 84.9)
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 #5C81D3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.039
- Dark Sky Blue #448EE4 ΔE 0.041
- Cool Blue #4984B8 ΔE 0.050
- Water Blue #0E87CC ΔE 0.054
- Faded Blue #658CBB ΔE 0.055
- Windows Blue #3778BF ΔE 0.055
- Steel Blue #4682B4 ΔE 0.056
- Chefchaouen Blue #4895EF ΔE 0.061
Use #5C81D3 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.