#73A7DC
Closest named color: Greyblue (#77A1B5). oklch(71.3% 0.096 249.8), rgb(115, 167, 220).
Aa
Black text reads best on this color (8.28:1).
About this color
#73A7DC is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.096 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.056 away. Black text reads best on it, at 8.28:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.28:1 |
| White text | 2.53:1 |
Values
| HEX | #73A7DC |
| RGB | rgb(115, 167, 220) |
| HSL | hsl(210, 60%, 66%) |
| OKLCH | oklch(71.3% 0.096 249.8) |
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 #73A7DC | 2.53:1 | Fails | Lc -54.6 | Large or bold text, headings |
| Black text on #73A7DC | 8.28:1 | AAA | Lc 54.5 | Large or bold text, headings |
| #73A7DC text on white | 2.53:1 | Fails | Lc 49.6 | Large or bold text, headings |
| #73A7DC text on black | 8.28:1 | AAA | Lc -52.4 | Large or bold text, headings |
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 400.
-
Step 50
50
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C9DBEF
oklch(88.4% 0.034 251)
-
Step 300
300
#A4C4E6
oklch(80.8% 0.059 250.1)
-
Step 400
400 (this color)
#73A7DC
oklch(71.3% 0.096 249.8)
-
Step 500
500
#498ED0
oklch(63.1% 0.122 249.4)
-
Step 600
600
#2877BD
oklch(55.7% 0.132 249.4)
-
Step 700
700
#1A63A3
oklch(49% 0.124 249.9)
-
Step 800
800
#195184
oklch(42.6% 0.102 250)
-
Step 900
900
#1C446A
oklch(37.8% 0.079 249.7)
-
Step 950
950
#11283E
oklch(27% 0.05 249.3)
#73A7DC 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) | #92A9DE | 0.038 |
| Deuteranopia (no green cones) | #849EDB | 0.029 |
| Tritanopia (no blue cones) | #44B3B9 | 0.082 |
| Achromatopsia (no color) | #A3A3A3 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73A7DC
#73A7DC
oklch(71.3% 0.096 249.8)
- #C9985E
#C9985E
oklch(71.4% 0.095 70)
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 #73A7DC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.056
- Bluegrey #85A3B2 ΔE 0.062
- Cornflower Blue #6495ED ΔE 0.064
- Bluey Grey #89A0B0 ΔE 0.065
- Carolina Blue #8AB8FE ΔE 0.068
- Cool Gray #8D99AE ΔE 0.071
- Cool Steel #97A7B3 ΔE 0.071
- Periwinkle Blue #8F99FB ΔE 0.073
Use #73A7DC 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.