#4773A3
Closest named color: Flat Blue (#3C73A8). oklch(54.5% 0.09 251.7), rgb(71, 115, 163).
Aa
White text reads best on this color (4.94:1).
About this color
#4773A3 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.090 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Flat Blue (#3C73A8), ΔE 0.013 away. White text reads best on it, at 4.94:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Flat Blue (#3C73A8) |
| Black text | 4.24:1 |
| White text | 4.94:1 |
Values
| HEX | #4773A3 |
| RGB | rgb(71, 115, 163) |
| HSL | hsl(211, 39%, 46%) |
| OKLCH | oklch(54.5% 0.09 251.7) |
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 #4773A3 | 4.94:1 | AA | Lc -79.5 | Fine for body text |
| Black text on #4773A3 | 4.24:1 | AA large text | Lc 30.0 | Dividers and decoration only |
| #4773A3 text on white | 4.94:1 | AA | Lc 74.1 | Content text, not long reading |
| #4773A3 text on black | 4.24:1 | AA large text | Lc -27.6 | 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
#E4EBF2
oklch(93.7% 0.012 248)
-
Step 200
200
#CFDAE8
oklch(88.4% 0.023 254.4)
-
Step 300
300
#AEC3DB
oklch(80.9% 0.041 251.8)
-
Step 400
400
#83A4C8
oklch(70.7% 0.064 250.9)
-
Step 500
500
#648DBA
oklch(63.1% 0.082 251.4)
-
Step 600
600 (this color)
#4773A3
oklch(54.5% 0.09 251.7)
-
Step 700
700
#3B638F
oklch(49% 0.084 252)
-
Step 800
800
#315174
oklch(42.7% 0.07 251.7)
-
Step 900
900
#2C435E
oklch(37.7% 0.055 253.1)
-
Step 950
950
#1A2837
oklch(27.1% 0.034 250.8)
#4773A3 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) | #5F75A5 | 0.030 |
| Deuteranopia (no green cones) | #536CA2 | 0.022 |
| Tritanopia (no blue cones) | #027E84 | 0.078 |
| Achromatopsia (no color) | #707070 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4773A3
#4773A3
oklch(54.5% 0.09 251.7)
- #91672F
#91672F
oklch(54.6% 0.09 71.7)
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 #4773A3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Flat Blue #3C73A8 ΔE 0.013
- Dull Blue #49759C ΔE 0.014
- Muted Blue #3B719F ΔE 0.015
- Cerulean #457B9D ΔE 0.028
- Stormy Blue #507B9C ΔE 0.031
- French Blue #436BAD ΔE 0.032
- Metallic Blue #4F738E ΔE 0.034
- Nice Blue #107AB0 ΔE 0.038
Use #4773A3 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.