#73B5DA
Closest named color: Light Grey Blue (#9DBCD4). oklch(74.3% 0.086 234.2), rgb(115, 181, 218).
Aa
Black text reads best on this color (9.35:1).
About this color
#73B5DA is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.086 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.054 away. Black text reads best on it, at 9.35:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.35:1 |
| White text | 2.24:1 |
Values
| HEX | #73B5DA |
| RGB | rgb(115, 181, 218) |
| HSL | hsl(202, 58%, 65%) |
| OKLCH | oklch(74.3% 0.086 234.2) |
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 #73B5DA | 2.24:1 | Fails | Lc -49.0 | Large or bold text, headings |
| Black text on #73B5DA | 9.35:1 | AAA | Lc 59.8 | Large or bold text, headings |
| #73B5DA text on white | 2.24:1 | Fails | Lc 44.1 | Non-text elements, placeholder text |
| #73B5DA text on black | 9.35:1 | AAA | Lc -58.0 | 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
#E0ECF3
oklch(93.6% 0.016 233)
-
Step 200
200
#C7DDEA
oklch(88.5% 0.03 233.6)
-
Step 300
300
#9FC7DE
oklch(80.9% 0.054 233.5)
-
Step 400
400 (this color)
#73B5DA
oklch(74.3% 0.086 234.2)
-
Step 500
500
#3794C2
oklch(63.2% 0.11 234.1)
-
Step 600
600
#007DAD
oklch(55.6% 0.117 234.3)
-
Step 700
700
#006992
oklch(49.1% 0.103 234.3)
-
Step 800
800
#005678
oklch(42.7% 0.089 233.9)
-
Step 900
900
#0E4762
oklch(37.7% 0.072 234.7)
-
Step 950
950
#0C2A39
oklch(27% 0.045 233.7)
#73B5DA 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) | #A4B3DC | 0.057 |
| Deuteranopia (no green cones) | #95A8D9 | 0.049 |
| Tritanopia (no blue cones) | #42BFC1 | 0.066 |
| Achromatopsia (no color) | #ADADAD | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73B5DA
#73B5DA
oklch(74.3% 0.086 234.2)
- #D79D78
#D79D78
oklch(74.3% 0.086 53.5)
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 #73B5DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.054
- Light Cornflower Blue #98C1D9 ΔE 0.056
- Vivid Sky Blue #4CC9F0 ΔE 0.057
- Lightblue #7BC8F6 ΔE 0.059
- Carolina Blue #8AB8FE ΔE 0.060
- Bluegrey #85A3B2 ΔE 0.064
- Cool Steel #97A7B3 ΔE 0.065
- Greyblue #77A1B5 ΔE 0.066
Use #73B5DA 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.