#73ADD1
Closest named color: Greyblue (#77A1B5). oklch(72.1% 0.08 236.7), rgb(115, 173, 209).
Aa
Black text reads best on this color (8.62:1).
About this color
#73ADD1 is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.080 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.045 away. Black text reads best on it, at 8.62:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.62:1 |
| White text | 2.43:1 |
Values
| HEX | #73ADD1 |
| RGB | rgb(115, 173, 209) |
| HSL | hsl(203, 51%, 64%) |
| OKLCH | oklch(72.1% 0.08 236.7) |
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 #73ADD1 | 2.43:1 | Fails | Lc -52.8 | Large or bold text, headings |
| Black text on #73ADD1 | 8.62:1 | AAA | Lc 56.2 | Large or bold text, headings |
| #73ADD1 text on white | 2.43:1 | Fails | Lc 47.8 | Large or bold text, headings |
| #73ADD1 text on black | 8.62:1 | AAA | Lc -54.2 | 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)
#73ADD1
oklch(72.1% 0.08 236.7)
-
Step 500
500
#4492BF
oklch(63% 0.102 236.8)
-
Step 600
600
#1D7CAC
oklch(55.6% 0.111 236.8)
-
Step 700
700
#0A6893
oklch(49% 0.103 236.6)
-
Step 800
800
#105578
oklch(42.7% 0.086 237.1)
-
Step 900
900
#184660
oklch(37.6% 0.066 237.2)
-
Step 950
950
#102938
oklch(26.9% 0.042 237.4)
#73ADD1 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) | #9DACD3 | 0.050 |
| Deuteranopia (no green cones) | #90A2D0 | 0.042 |
| Tritanopia (no blue cones) | #4AB6B9 | 0.062 |
| Achromatopsia (no color) | #A6A6A6 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73ADD1
#73ADD1
oklch(72.1% 0.08 236.7)
- #CC9873
#CC9873
oklch(72% 0.08 56.5)
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 #73ADD1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.045
- Bluegrey #85A3B2 ΔE 0.047
- Bluey Grey #89A0B0 ΔE 0.053
- Cool Steel #97A7B3 ΔE 0.055
- Cool Gray #8D99AE ΔE 0.066
- Turquoise Blue #06B1C4 ΔE 0.067
- Light Grey Blue #9DBCD4 ΔE 0.067
- Cool Grey #95A3A6 ΔE 0.067
Use #73ADD1 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.