#5673AE
Closest named color: Flat Blue (#3C73A8). oklch(55.9% 0.098 263.6), rgb(86, 115, 174).
Aa
White text reads best on this color (4.70:1).
About this color
#5673AE is a medium-dark, moderately saturated blue. In OKLCH its lightness is 56%, its chroma 0.098 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Flat Blue (#3C73A8), ΔE 0.030 away. White text reads best on it, at 4.70:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Flat Blue (#3C73A8) |
| Black text | 4.45:1 |
| White text | 4.70:1 |
Values
| HEX | #5673AE |
| RGB | rgb(86, 115, 174) |
| HSL | hsl(220, 35%, 51%) |
| OKLCH | oklch(55.9% 0.098 263.6) |
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 #5673AE | 4.70:1 | AA | Lc -78.0 | Fine for body text |
| Black text on #5673AE | 4.45:1 | AA large text | Lc 31.5 | Non-text elements, placeholder text |
| #5673AE text on white | 4.70:1 | AA | Lc 72.6 | Content text, not long reading |
| #5673AE text on black | 4.45:1 | AA large text | Lc -29.1 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#D1D9EA
oklch(88.4% 0.025 265.6)
-
Step 300
300
#B2C1DE
oklch(80.9% 0.044 263.6)
-
Step 400
400
#8AA1CD
oklch(70.7% 0.07 263.2)
-
Step 500
500
#6D89C1
oklch(63.1% 0.091 263.6)
-
Step 600
600 (this color)
#5673AE
oklch(55.9% 0.098 263.6)
-
Step 700
700
#455F95
oklch(49% 0.093 263.8)
-
Step 800
800
#394E79
oklch(42.7% 0.077 263.7)
-
Step 900
900
#314161
oklch(37.7% 0.059 263.5)
-
Step 950
950
#1D2639
oklch(27% 0.038 264.5)
#5673AE 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) | #5C78B0 | 0.017 |
| Deuteranopia (no green cones) | #5270AD | 0.010 |
| Tritanopia (no blue cones) | #2F8088 | 0.089 |
| Achromatopsia (no color) | #737373 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5673AE
#5673AE
oklch(55.9% 0.098 263.6)
- #906F25
#906F25
oklch(56.1% 0.099 83.9)
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 #5673AE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Flat Blue #3C73A8 ΔE 0.030
- French Blue #436BAD ΔE 0.034
- Dull Blue #49759C ΔE 0.035
- Windows Blue #3778BF ΔE 0.038
- Muted Blue #3B719F ΔE 0.040
- Stormy Blue #507B9C ΔE 0.042
- Steel Blue #4682B4 ΔE 0.042
- Cerulean #457B9D ΔE 0.044
Use #5673AE 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.