#73B4BF
Closest named color: Bluegrey (#85A3B2). oklch(73% 0.068 209.3), rgb(115, 180, 191).
Aa
Black text reads best on this color (9.00:1).
About this color
#73B4BF is a medium-light, muted teal or cyan. In OKLCH its lightness is 73%, its chroma 0.068 and its hue 209°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegrey (#85A3B2), ΔE 0.047 away. Black text reads best on it, at 9.00:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (73%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Bluegrey (#85A3B2) |
| Black text | 9.00:1 |
| White text | 2.33:1 |
Values
| HEX | #73B4BF |
| RGB | rgb(115, 180, 191) |
| HSL | hsl(189, 37%, 60%) |
| OKLCH | oklch(73% 0.068 209.3) |
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 #73B4BF | 2.33:1 | Fails | Lc -50.8 | Large or bold text, headings |
| Black text on #73B4BF | 9.00:1 | AAA | Lc 58.1 | Large or bold text, headings |
| #73B4BF text on white | 2.33:1 | Fails | Lc 45.9 | Large or bold text, headings |
| #73B4BF text on black | 9.00:1 | AAA | Lc -56.2 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1ECEE
oklch(93.5% 0.012 209.8)
-
Step 200
200
#C8DEE2
oklch(88.5% 0.024 209.8)
-
Step 300
300
#A2C9D0
oklch(81% 0.042 209.7)
-
Step 400
400 (this color)
#73B4BF
oklch(73% 0.068 209.3)
-
Step 500
500
#3D98A6
oklch(63.1% 0.087 209.2)
-
Step 600
600
#078291
oklch(55.6% 0.095 209.1)
-
Step 700
700
#006D7B
oklch(49% 0.085 210.2)
-
Step 800
800
#035A64
oklch(42.8% 0.073 208)
-
Step 900
900
#134A52
oklch(37.8% 0.057 209)
-
Step 950
950
#0E2B30
oklch(27% 0.036 210.5)
#73B4BF 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) | #AAAFC0 | 0.066 |
| Deuteranopia (no green cones) | #9DA6BF | 0.060 |
| Tritanopia (no blue cones) | #53BAB7 | 0.036 |
| Achromatopsia (no color) | #AAAAAA | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73B4BF
#73B4BF
oklch(73% 0.068 209.3)
- #CF988F
#CF988F
oklch(73% 0.068 29.3)
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 #73B4BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegrey #85A3B2 ΔE 0.047
- Cool Steel #97A7B3 ΔE 0.049
- Greyblue #77A1B5 ΔE 0.051
- Pewter #96A8A1 ΔE 0.055
- Bluey Grey #89A0B0 ΔE 0.055
- Cool Grey #95A3A6 ΔE 0.057
- Turquoise Blue #06B1C4 ΔE 0.061
- Light Grey Blue #9DBCD4 ΔE 0.063
Use #73B4BF 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.