#73AED3
Closest named color: Greyblue (#77A1B5). oklch(72.4% 0.082 237), rgb(115, 174, 211).
Aa
Black text reads best on this color (8.72:1).
About this color
#73AED3 is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.082 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.048 away. Black text reads best on it, at 8.72:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.72:1 |
| White text | 2.40:1 |
Values
| HEX | #73AED3 |
| RGB | rgb(115, 174, 211) |
| HSL | hsl(203, 52%, 64%) |
| OKLCH | oklch(72.4% 0.082 237) |
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 #73AED3 | 2.40:1 | Fails | Lc -52.3 | Large or bold text, headings |
| Black text on #73AED3 | 8.72:1 | AAA | Lc 56.7 | Large or bold text, headings |
| #73AED3 text on white | 2.40:1 | Fails | Lc 47.3 | Large or bold text, headings |
| #73AED3 text on black | 8.72:1 | AAA | Lc -54.7 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF3
oklch(93.7% 0.015 235.4)
-
Step 200
200
#C8DCEA
oklch(88.4% 0.029 238.3)
-
Step 300
300
#A2C6DE
oklch(80.8% 0.051 237.5)
-
Step 400
400 (this color)
#73AED3
oklch(72.4% 0.082 237)
-
Step 500
500
#4292C1
oklch(63% 0.105 237.5)
-
Step 600
600
#197CAD
oklch(55.6% 0.113 236.9)
-
Step 700
700
#056895
oklch(49.1% 0.106 237.4)
-
Step 800
800
#0E5578
oklch(42.6% 0.087 236.8)
-
Step 900
900
#164661
oklch(37.6% 0.069 237.5)
-
Step 950
950
#0F2939
oklch(26.9% 0.044 238.4)
#73AED3 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) | #9DADD5 | 0.050 |
| Deuteranopia (no green cones) | #90A2D2 | 0.044 |
| Tritanopia (no blue cones) | #49B8BA | 0.065 |
| Achromatopsia (no color) | #A7A7A7 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73AED3
#73AED3
oklch(72.4% 0.082 237)
- #CE9973
#CE9973
oklch(72.4% 0.082 56.7)
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 #73AED3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.048
- Bluegrey #85A3B2 ΔE 0.050
- Bluey Grey #89A0B0 ΔE 0.056
- Cool Steel #97A7B3 ΔE 0.057
- Light Grey Blue #9DBCD4 ΔE 0.065
- Turquoise Blue #06B1C4 ΔE 0.068
- Cool Gray #8D99AE ΔE 0.069
- Cool Grey #95A3A6 ΔE 0.070
Use #73AED3 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.