#73B1CF
Closest named color: Bluegrey (#85A3B2). oklch(72.9% 0.077 230.1), rgb(115, 177, 207).
Aa
Black text reads best on this color (8.91:1).
About this color
#73B1CF is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.077 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegrey (#85A3B2), ΔE 0.049 away. Black text reads best on it, at 8.91:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Bluegrey (#85A3B2) |
| Black text | 8.91:1 |
| White text | 2.35:1 |
Values
| HEX | #73B1CF |
| RGB | rgb(115, 177, 207) |
| HSL | hsl(200, 49%, 63%) |
| OKLCH | oklch(72.9% 0.077 230.1) |
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 #73B1CF | 2.35:1 | Fails | Lc -51.3 | Large or bold text, headings |
| Black text on #73B1CF | 8.91:1 | AAA | Lc 57.7 | Large or bold text, headings |
| #73B1CF text on white | 2.35:1 | Fails | Lc 46.3 | Large or bold text, headings |
| #73B1CF text on black | 8.91:1 | AAA | Lc -55.7 | 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
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C8DDE8
oklch(88.5% 0.027 230.4)
-
Step 300
300
#A2C7DA
oklch(80.9% 0.048 230.4)
-
Step 400
400 (this color)
#73B1CF
oklch(72.9% 0.077 230.1)
-
Step 500
500
#3F94BA
oklch(63.1% 0.099 230.6)
-
Step 600
600
#107EA6
oklch(55.6% 0.107 230.2)
-
Step 700
700
#006A8D
oklch(49.1% 0.098 229.8)
-
Step 800
800
#075773
oklch(42.8% 0.082 229.3)
-
Step 900
900
#14485D
oklch(37.8% 0.064 229.2)
-
Step 950
950
#0E2A37
oklch(27% 0.041 231.2)
#73B1CF 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) | #A2AFD1 | 0.056 |
| Deuteranopia (no green cones) | #95A4CF | 0.050 |
| Tritanopia (no blue cones) | #4BB9BB | 0.055 |
| Achromatopsia (no color) | #A9A9A9 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73B1CF
#73B1CF
oklch(72.9% 0.077 230.1)
- #D09A7C
#D09A7C
oklch(73% 0.077 50.2)
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 #73B1CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegrey #85A3B2 ΔE 0.049
- Greyblue #77A1B5 ΔE 0.049
- Cool Steel #97A7B3 ΔE 0.054
- Bluey Grey #89A0B0 ΔE 0.056
- Light Grey Blue #9DBCD4 ΔE 0.060
- Light Cornflower Blue #98C1D9 ΔE 0.064
- Turquoise Blue #06B1C4 ΔE 0.065
- Cool Grey #95A3A6 ΔE 0.066
Use #73B1CF 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.