#5277BC
Closest named color: Windows Blue (#3778BF). oklch(57.3% 0.115 262), rgb(82, 119, 188).
Aa
Black text reads best on this color (4.72:1).
About this color
#5277BC is a medium-dark, moderately saturated blue. In OKLCH its lightness is 57%, its chroma 0.115 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.025 away. Black text reads best on it, at 4.72:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 4.72:1 |
| White text | 4.44:1 |
Values
| HEX | #5277BC |
| RGB | rgb(82, 119, 188) |
| HSL | hsl(219, 44%, 53%) |
| OKLCH | oklch(57.3% 0.115 262) |
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 #5277BC | 4.44:1 | AA large text | Lc -76.2 | Fine for body text |
| Black text on #5277BC | 4.72:1 | AA | Lc 33.4 | Non-text elements, placeholder text |
| #5277BC text on white | 4.44:1 | AA large text | Lc 70.7 | Content text, not long reading |
| #5277BC text on black | 4.72:1 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CFDAED
oklch(88.6% 0.029 261.5)
-
Step 300
300
#AFC1E3
oklch(80.9% 0.052 263.1)
-
Step 400
400
#84A1D5
oklch(70.7% 0.083 261.8)
-
Step 500
500
#6689CA
oklch(63.2% 0.106 262.1)
-
Step 600
600 (this color)
#5277BC
oklch(57.3% 0.115 262)
-
Step 700
700
#3E5F9D
oklch(49.1% 0.107 262)
-
Step 800
800
#334E7F
oklch(42.7% 0.088 261.5)
-
Step 900
900
#2D4166
oklch(37.7% 0.069 262)
-
Step 950
950
#1B263C
oklch(27% 0.044 263.4)
#5277BC 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) | #5B7DBF | 0.021 |
| Deuteranopia (no green cones) | #4D73BB | 0.013 |
| Tritanopia (no blue cones) | #068690 | 0.104 |
| Achromatopsia (no color) | #787878 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5277BC
#5277BC
oklch(57.3% 0.115 262)
- #9A700C
#9A700C
oklch(57.3% 0.115 81.6)
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 #5277BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.025
- Steel Blue #4682B4 ΔE 0.037
- Cool Blue #4984B8 ΔE 0.039
- Flat Blue #3C73A8 ΔE 0.041
- French Blue #436BAD ΔE 0.044
- Off Blue #5684AE ΔE 0.048
- Nice Blue #107AB0 ΔE 0.052
- Dull Blue #49759C ΔE 0.052
Use #5277BC 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.