#73ADD9
Closest named color: Greyblue (#77A1B5). oklch(72.5% 0.088 242.2), rgb(115, 173, 217).
Aa
Black text reads best on this color (8.70:1).
About this color
#73ADD9 is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.088 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.054 away. Black text reads best on it, at 8.70:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.70:1 |
| White text | 2.41:1 |
Values
| HEX | #73ADD9 |
| RGB | rgb(115, 173, 217) |
| HSL | hsl(206, 57%, 65%) |
| OKLCH | oklch(72.5% 0.088 242.2) |
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 #73ADD9 | 2.41:1 | Fails | Lc -52.4 | Large or bold text, headings |
| Black text on #73ADD9 | 8.70:1 | AAA | Lc 56.6 | Large or bold text, headings |
| #73ADD9 text on white | 2.41:1 | Fails | Lc 47.4 | Large or bold text, headings |
| #73ADD9 text on black | 8.70:1 | AAA | Lc -54.6 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF4
oklch(93.5% 0.016 245.1)
-
Step 200
200
#C8DCEC
oklch(88.4% 0.031 242)
-
Step 300
300
#A2C6E2
oklch(81% 0.055 241.8)
-
Step 400
400 (this color)
#73ADD9
oklch(72.5% 0.088 242.2)
-
Step 500
500
#4391C8
oklch(63.2% 0.113 242.3)
-
Step 600
600
#1B7AB4
oklch(55.6% 0.122 242.1)
-
Step 700
700
#08679B
oklch(49.2% 0.113 241.7)
-
Step 800
800
#0F547E
oklch(42.8% 0.094 242.1)
-
Step 900
900
#174665
oklch(37.8% 0.073 241.6)
-
Step 950
950
#0F293B
oklch(27% 0.046 241.6)
#73ADD9 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) | #9AADDB | 0.046 |
| Deuteranopia (no green cones) | #8DA2D8 | 0.039 |
| Tritanopia (no blue cones) | #45B8BC | 0.072 |
| Achromatopsia (no color) | #A7A7A7 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73ADD9
#73ADD9
oklch(72.5% 0.088 242.2)
- #CE9A6B
#CE9A6B
oklch(72.5% 0.088 62.8)
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 #73ADD9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.054
- Bluegrey #85A3B2 ΔE 0.057
- Bluey Grey #89A0B0 ΔE 0.062
- Cool Steel #97A7B3 ΔE 0.063
- Carolina Blue #8AB8FE ΔE 0.064
- Light Grey Blue #9DBCD4 ΔE 0.069
- Cool Gray #8D99AE ΔE 0.072
- Turquoise Blue #06B1C4 ΔE 0.073
Use #73ADD9 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.