#73B8CB
Closest named color: Light Grey Blue (#9DBCD4). oklch(74.4% 0.075 217.2), rgb(115, 184, 203).
Aa
Black text reads best on this color (9.44:1).
About this color
#73B8CB is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 74%, its chroma 0.075 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.052 away. Black text reads best on it, at 9.44:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.44:1 |
| White text | 2.22:1 |
Values
| HEX | #73B8CB |
| RGB | rgb(115, 184, 203) |
| HSL | hsl(193, 46%, 62%) |
| OKLCH | oklch(74.4% 0.075 217.2) |
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 #73B8CB | 2.22:1 | Fails | Lc -48.5 | Large or bold text, headings |
| Black text on #73B8CB | 9.44:1 | AAA | Lc 60.3 | Content text, not long reading |
| #73B8CB text on white | 2.22:1 | Fails | Lc 43.7 | Non-text elements, placeholder text |
| #73B8CB text on black | 9.44:1 | AAA | Lc -58.5 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E0ECF0
oklch(93.5% 0.014 219.6)
-
Step 200
200
#C7DEE4
oklch(88.5% 0.026 215.2)
-
Step 300
300
#9FC9D5
oklch(81% 0.047 217.1)
-
Step 400
400 (this color)
#73B8CB
oklch(74.4% 0.075 217.2)
-
Step 500
500
#3597AF
oklch(63% 0.095 217.4)
-
Step 600
600
#008199
oklch(55.6% 0.099 216.9)
-
Step 700
700
#006C81
oklch(49% 0.088 217.4)
-
Step 800
800
#00596A
oklch(42.8% 0.076 216.6)
-
Step 900
900
#0C4957
oklch(37.6% 0.062 217.6)
-
Step 950
950
#0B2B33
oklch(27% 0.039 217.4)
#73B8CB 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) | #ABB4CC | 0.066 |
| Deuteranopia (no green cones) | #9DA9CB | 0.060 |
| Tritanopia (no blue cones) | #4CBFBE | 0.045 |
| Achromatopsia (no color) | #AEAEAE | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73B8CB
#73B8CB
oklch(74.4% 0.075 217.2)
- #D69C8A
#D69C8A
oklch(74.4% 0.075 38)
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 #73B8CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.052
- Light Cornflower Blue #98C1D9 ΔE 0.053
- Cool Steel #97A7B3 ΔE 0.058
- Bluegrey #85A3B2 ΔE 0.059
- Vivid Sky Blue #4CC9F0 ΔE 0.061
- Greyblue #77A1B5 ΔE 0.063
- Turquoise Blue #06B1C4 ΔE 0.067
- Bluey Grey #89A0B0 ΔE 0.067
Use #73B8CB 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.