#5C81CA
Closest named color: Cool Blue (#4984B8). oklch(60.8% 0.119 262.9), rgb(92, 129, 202).
Aa
Black text reads best on this color (5.44:1).
About this color
#5C81CA is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.119 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Blue (#4984B8), ΔE 0.037 away. Black text reads best on it, at 5.44:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Cool Blue (#4984B8) |
| Black text | 5.44:1 |
| White text | 3.85:1 |
Values
| HEX | #5C81CA |
| RGB | rgb(92, 129, 202) |
| HSL | hsl(220, 51%, 58%) |
| OKLCH | oklch(60.8% 0.119 262.9) |
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 #5C81CA | 3.85:1 | AA large text | Lc -71.4 | Content text, not long reading |
| Black text on #5C81CA | 5.44:1 | AA | Lc 38.2 | Non-text elements, placeholder text |
| #5C81CA text on white | 3.85:1 | AA large text | Lc 65.9 | Content text, not long reading |
| #5C81CA text on black | 5.44:1 | AA | Lc -35.8 | 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
#F3F6FB
oklch(97.2% 0.007 260.7)
-
Step 100
100
#E4EAF6
oklch(93.6% 0.017 264.5)
-
Step 200
200
#CEDAEF
oklch(88.6% 0.032 261.7)
-
Step 300
300
#ADC1E7
oklch(80.9% 0.058 263.2)
-
Step 400
400
#82A0DB
oklch(70.6% 0.093 263.4)
-
Step 500
500 (this color)
#5C81CA
oklch(60.8% 0.119 262.9)
-
Step 600
600
#4A70BF
oklch(55.6% 0.13 263.4)
-
Step 700
700
#3B5EA4
oklch(49.1% 0.12 262.8)
-
Step 800
800
#314D85
oklch(42.7% 0.099 262.8)
-
Step 900
900
#2B406B
oklch(37.6% 0.079 263.4)
-
Step 950
950
#19263E
oklch(27% 0.049 262)
#5C81CA 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) | #6487CD | 0.020 |
| Deuteranopia (no green cones) | #567DC8 | 0.014 |
| Tritanopia (no blue cones) | #1C919C | 0.107 |
| Achromatopsia (no color) | #828282 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C81CA
#5C81CA
oklch(60.8% 0.119 262.9)
- #A57B15
#A57B15
oklch(60.8% 0.119 83.2)
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 #5C81CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Blue #4984B8 ΔE 0.037
- Steel Blue #4682B4 ΔE 0.043
- Faded Blue #658CBB ΔE 0.045
- Off Blue #5684AE ΔE 0.047
- Dark Sky Blue #448EE4 ΔE 0.048
- Windows Blue #3778BF ΔE 0.050
- Dusty Blue #5A86AD ΔE 0.051
- Soft Blue #6488EA ΔE 0.051
Use #5C81CA 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.