#73B7DA
Closest named color: Light Grey Blue (#9DBCD4). oklch(74.7% 0.085 231.9), rgb(115, 183, 218).
Aa
Black text reads best on this color (9.51:1).
About this color
#73B7DA is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.085 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.051 away. Black text reads best on it, at 9.51:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.51:1 |
| White text | 2.20:1 |
Values
| HEX | #73B7DA |
| RGB | rgb(115, 183, 218) |
| HSL | hsl(200, 58%, 65%) |
| OKLCH | oklch(74.7% 0.085 231.9) |
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 #73B7DA | 2.20:1 | Fails | Lc -48.1 | Large or bold text, headings |
| Black text on #73B7DA | 9.51:1 | AAA | Lc 60.6 | Content text, not long reading |
| #73B7DA text on white | 2.20:1 | Fails | Lc 43.3 | Non-text elements, placeholder text |
| #73B7DA text on black | 9.51:1 | AAA | Lc -58.8 | 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
#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)
#73B7DA
oklch(74.7% 0.085 231.9)
-
Step 500
500
#3494C0
oklch(63% 0.109 232.4)
-
Step 600
600
#007EAA
oklch(55.7% 0.113 231.8)
-
Step 700
700
#006A8F
oklch(49.2% 0.1 231.3)
-
Step 800
800
#005676
oklch(42.6% 0.087 232.3)
-
Step 900
900
#0C4861
oklch(37.8% 0.071 231.9)
-
Step 950
950
#0B2A39
oklch(27% 0.045 233.1)
#73B7DA 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) | #A6B5DC | 0.059 |
| Deuteranopia (no green cones) | #97AADA | 0.051 |
| Tritanopia (no blue cones) | #41C1C2 | 0.065 |
| Achromatopsia (no color) | #AEAEAE | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73B7DA
#73B7DA
oklch(74.7% 0.085 231.9)
- #D99E7B
#D99E7B
oklch(74.7% 0.085 51.7)
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 #73B7DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.051
- Light Cornflower Blue #98C1D9 ΔE 0.052
- Vivid Sky Blue #4CC9F0 ΔE 0.053
- Lightblue #7BC8F6 ΔE 0.055
- Carolina Blue #8AB8FE ΔE 0.060
- Sky #82CAFC ΔE 0.066
- Cool Steel #97A7B3 ΔE 0.067
- Bluegrey #85A3B2 ΔE 0.067
Use #73B7DA 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.