#73ADD0
Closest named color: Greyblue (#77A1B5). oklch(72.1% 0.079 235.9), rgb(115, 173, 208).
Aa
Black text reads best on this color (8.61:1).
About this color
#73ADD0 is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.079 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.044 away. Black text reads best on it, at 8.61:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.61:1 |
| White text | 2.43:1 |
Values
| HEX | #73ADD0 |
| RGB | rgb(115, 173, 208) |
| HSL | hsl(203, 50%, 63%) |
| OKLCH | oklch(72.1% 0.079 235.9) |
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 #73ADD0 | 2.43:1 | Fails | Lc -52.9 | Large or bold text, headings |
| Black text on #73ADD0 | 8.61:1 | AAA | Lc 56.1 | Large or bold text, headings |
| #73ADD0 text on white | 2.43:1 | Fails | Lc 47.9 | Large or bold text, headings |
| #73ADD0 text on black | 8.61:1 | AAA | Lc -54.1 | 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
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C9DCE9
oklch(88.4% 0.027 237.6)
-
Step 300
300
#A3C6DD
oklch(80.9% 0.05 237)
-
Step 400
400 (this color)
#73ADD0
oklch(72.1% 0.079 235.9)
-
Step 500
500
#4493BE
oklch(63.2% 0.101 235.3)
-
Step 600
600
#1D7CAB
oklch(55.6% 0.11 236.3)
-
Step 700
700
#0B6892
oklch(49% 0.102 236)
-
Step 800
800
#105577
oklch(42.6% 0.085 236.3)
-
Step 900
900
#184760
oklch(37.8% 0.066 235.7)
-
Step 950
950
#102938
oklch(26.9% 0.042 237.4)
#73ADD0 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) | #9DACD2 | 0.050 |
| Deuteranopia (no green cones) | #90A2CF | 0.042 |
| Tritanopia (no blue cones) | #4BB6B8 | 0.061 |
| Achromatopsia (no color) | #A6A6A6 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73ADD0
#73ADD0
oklch(72.1% 0.079 235.9)
- #CC9874
#CC9874
oklch(72.1% 0.08 55.8)
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 #73ADD0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.044
- Bluegrey #85A3B2 ΔE 0.046
- Bluey Grey #89A0B0 ΔE 0.052
- Cool Steel #97A7B3 ΔE 0.054
- Cool Gray #8D99AE ΔE 0.065
- Turquoise Blue #06B1C4 ΔE 0.066
- Cool Grey #95A3A6 ΔE 0.066
- Light Grey Blue #9DBCD4 ΔE 0.067
Use #73ADD0 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.