#5576AE
Closest named color: Flat Blue (#3C73A8). oklch(56.5% 0.095 260.6), rgb(85, 118, 174).
Aa
Black text reads best on this color (4.58:1).
About this color
#5576AE is a medium-dark, moderately saturated blue. In OKLCH its lightness is 57%, its chroma 0.095 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Flat Blue (#3C73A8), ΔE 0.031 away. Black text reads best on it, at 4.58:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Flat Blue (#3C73A8) |
| Black text | 4.58:1 |
| White text | 4.57:1 |
Values
| HEX | #5576AE |
| RGB | rgb(85, 118, 174) |
| HSL | hsl(218, 35%, 51%) |
| OKLCH | oklch(56.5% 0.095 260.6) |
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 #5576AE | 4.57:1 | AA | Lc -77.1 | Fine for body text |
| Black text on #5576AE | 4.58:1 | AA | Lc 32.4 | Non-text elements, placeholder text |
| #5576AE text on white | 4.57:1 | AA | Lc 71.7 | Content text, not long reading |
| #5576AE text on black | 4.58:1 | AA | Lc -30.0 | Dividers and decoration only |
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
#B1C2DD
oklch(81% 0.043 259.6)
-
Step 400
400
#88A2CC
oklch(70.8% 0.068 259.9)
-
Step 500
500
#6B8ABF
oklch(63.1% 0.088 260.8)
-
Step 600
600 (this color)
#5576AE
oklch(56.5% 0.095 260.6)
-
Step 700
700
#436093
oklch(49% 0.089 261.1)
-
Step 800
800
#374F77
oklch(42.7% 0.073 260.2)
-
Step 900
900
#304260
oklch(37.8% 0.057 260.3)
-
Step 950
950
#1C2738
oklch(27.1% 0.035 258.9)
#5576AE 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) | #607AB0 | 0.019 |
| Deuteranopia (no green cones) | #5672AD | 0.011 |
| Tritanopia (no blue cones) | #2B828A | 0.085 |
| Achromatopsia (no color) | #757575 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5576AE
#5576AE
oklch(56.5% 0.095 260.6)
- #936F2C
#936F2C
oklch(56.5% 0.095 80.1)
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 #5576AE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Flat Blue #3C73A8 ΔE 0.031
- Dull Blue #49759C ΔE 0.033
- Steel Blue #4682B4 ΔE 0.034
- Stormy Blue #507B9C ΔE 0.036
- Windows Blue #3778BF ΔE 0.037
- Cerulean #457B9D ΔE 0.038
- Cool Blue #4984B8 ΔE 0.039
- French Blue #436BAD ΔE 0.040
Use #5576AE 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.