#5A76BA
Closest named color: Windows Blue (#3778BF). oklch(57.5% 0.11 266.1), rgb(90, 118, 186).
Aa
Black text reads best on this color (4.73:1).
About this color
#5A76BA is a medium-dark, moderately saturated blue. In OKLCH its lightness is 57%, its chroma 0.110 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.035 away. Black text reads best on it, at 4.73:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 4.73:1 |
| White text | 4.43:1 |
Values
| HEX | #5A76BA |
| RGB | rgb(90, 118, 186) |
| HSL | hsl(223, 41%, 54%) |
| OKLCH | oklch(57.5% 0.11 266.1) |
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 #5A76BA | 4.43:1 | AA large text | Lc -76.1 | Fine for body text |
| Black text on #5A76BA | 4.73:1 | AA | Lc 33.4 | Non-text elements, placeholder text |
| #5A76BA text on white | 4.43:1 | AA large text | Lc 70.6 | Content text, not long reading |
| #5A76BA text on black | 4.73:1 | AA | Lc -31.0 | 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 600.
-
Step 50
50
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#D1D9EC
oklch(88.5% 0.028 267.5)
-
Step 300
300
#B2C1E2
oklch(81% 0.05 266)
-
Step 400
400
#89A0D3
oklch(70.7% 0.079 265.6)
-
Step 500
500
#6D88C7
oklch(63.2% 0.1 265.9)
-
Step 600
600 (this color)
#5A76BA
oklch(57.5% 0.11 266.1)
-
Step 700
700
#455E9B
oklch(49.1% 0.103 265.9)
-
Step 800
800
#394D7E
oklch(42.8% 0.085 266.1)
-
Step 900
900
#314065
oklch(37.6% 0.067 266.5)
-
Step 950
950
#1D263B
oklch(27.1% 0.041 266)
#5A76BA 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) | #5B7CBD | 0.017 |
| Deuteranopia (no green cones) | #5174B9 | 0.013 |
| Tritanopia (no blue cones) | #2D858F | 0.100 |
| Achromatopsia (no color) | #787878 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A76BA
#5A76BA
oklch(57.5% 0.11 266.1)
- #967317
#967317
oklch(57.5% 0.11 85.6)
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 #5A76BA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.035
- Steel Blue #4682B4 ΔE 0.041
- Cool Blue #4984B8 ΔE 0.042
- Flat Blue #3C73A8 ΔE 0.045
- French Blue #436BAD ΔE 0.046
- Off Blue #5684AE ΔE 0.048
- Dull Blue #49759C ΔE 0.053
- Dusty Blue #5A86AD ΔE 0.054
Use #5A76BA 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.