#5277AC
Closest named color: Flat Blue (#3C73A8). oklch(56.5% 0.093 257.4), rgb(82, 119, 172).
Aa
Black text reads best on this color (4.59:1).
About this color
#5277AC is a medium-dark, moderately saturated blue. In OKLCH its lightness is 56%, its chroma 0.093 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Flat Blue (#3C73A8), ΔE 0.028 away. Black text reads best on it, at 4.59:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Flat Blue (#3C73A8) |
| Black text | 4.59:1 |
| White text | 4.57:1 |
Values
| HEX | #5277AC |
| RGB | rgb(82, 119, 172) |
| HSL | hsl(215, 35%, 50%) |
| OKLCH | oklch(56.5% 0.093 257.4) |
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 #5277AC | 4.57:1 | AA | Lc -77.1 | Fine for body text |
| Black text on #5277AC | 4.59:1 | AA | Lc 32.4 | Non-text elements, placeholder text |
| #5277AC text on white | 4.57:1 | AA | Lc 71.6 | Content text, not long reading |
| #5277AC text on black | 4.59:1 | AA | Lc -30.0 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF2
oklch(93.6% 0.012 259.8)
-
Step 200
200
#D0DAE9
oklch(88.5% 0.023 258.4)
-
Step 300
300
#B0C2DC
oklch(80.9% 0.042 257.5)
-
Step 400
400
#86A2CB
oklch(70.6% 0.068 257.8)
-
Step 500
500
#688BBD
oklch(63.1% 0.086 257.3)
-
Step 600
600 (this color)
#5277AC
oklch(56.5% 0.093 257.4)
-
Step 700
700
#406291
oklch(49.2% 0.086 256.7)
-
Step 800
800
#355076
oklch(42.8% 0.072 257)
-
Step 900
900
#2E425F
oklch(37.6% 0.056 257.6)
-
Step 950
950
#1B2738
oklch(27% 0.036 257.1)
#5277AC 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) | #627AAE | 0.022 |
| Deuteranopia (no green cones) | #5772AB | 0.014 |
| Tritanopia (no blue cones) | #24838A | 0.083 |
| Achromatopsia (no color) | #767676 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5277AC
#5277AC
oklch(56.5% 0.093 257.4)
- #946E30
#946E30
oklch(56.4% 0.092 77.1)
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 #5277AC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Flat Blue #3C73A8 ΔE 0.028
- Dull Blue #49759C ΔE 0.028
- Stormy Blue #507B9C ΔE 0.031
- Steel Blue #4682B4 ΔE 0.031
- Cerulean #457B9D ΔE 0.033
- Cool Blue #4984B8 ΔE 0.037
- Muted Blue #3B719F ΔE 0.037
- Windows Blue #3778BF ΔE 0.037
Use #5277AC 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.