#5A76CD
Closest named color: Windows Blue (#3778BF). oklch(58.6% 0.137 268.5), rgb(90, 118, 205).
Aa
Black text reads best on this color (4.90:1).
About this color
#5A76CD is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.137 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.043 away. Black text reads best on it, at 4.90:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.137) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 4.90:1 |
| White text | 4.27:1 |
Values
| HEX | #5A76CD |
| RGB | rgb(90, 118, 205) |
| HSL | hsl(225, 53%, 58%) |
| OKLCH | oklch(58.6% 0.137 268.5) |
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 #5A76CD | 4.27:1 | AA large text | Lc -74.9 | Content text, not long reading |
| Black text on #5A76CD | 4.90:1 | AA | Lc 34.7 | Non-text elements, placeholder text |
| #5A76CD text on white | 4.27:1 | AA large text | Lc 69.4 | Content text, not long reading |
| #5A76CD text on black | 4.90:1 | AA | Lc -32.3 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#CFD9F1
oklch(88.5% 0.035 267.6)
-
Step 300
300
#B0C0EA
oklch(81% 0.062 268.6)
-
Step 400
400
#879EDF
oklch(70.7% 0.099 268.9)
-
Step 500
500
#6985D6
oklch(63.1% 0.126 268.2)
-
Step 600
600 (this color)
#5A76CD
oklch(58.6% 0.137 268.5)
-
Step 700
700
#435BA8
oklch(49.2% 0.126 268.5)
-
Step 800
800
#374A88
oklch(42.6% 0.105 268.8)
-
Step 900
900
#2F3F6D
oklch(37.8% 0.082 267.9)
-
Step 950
950
#1C2540
oklch(27.1% 0.052 268.8)
#5A76CD 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) | #5080D0 | 0.027 |
| Deuteranopia (no green cones) | #4275CB | 0.027 |
| Tritanopia (no blue cones) | #108997 | 0.123 |
| Achromatopsia (no color) | #7A7A7A | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A76CD
#5A76CD
oklch(58.6% 0.137 268.5)
- #997700
#997700
oklch(58.6% 0.12 88.6)
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 #5A76CD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.043
- Royal Blue #4169E1 ΔE 0.058
- Cool Blue #4984B8 ΔE 0.058
- Dark Periwinkle #665FD1 ΔE 0.059
- Steel Blue #4682B4 ΔE 0.060
- Soft Blue #6488EA ΔE 0.062
- Water Blue #0E87CC ΔE 0.063
- French Blue #436BAD ΔE 0.063
Use #5A76CD 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.