#73B8BC
Closest named color: Cool Steel (#97A7B3). oklch(73.8% 0.07 200.5), rgb(115, 184, 188).
Aa
Black text reads best on this color (9.31:1).
About this color
#73B8BC is a medium-light, muted teal or cyan. In OKLCH its lightness is 74%, its chroma 0.070 and its hue 200°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.056 away. Black text reads best on it, at 9.31:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (74%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 9.31:1 |
| White text | 2.25:1 |
Values
| HEX | #73B8BC |
| RGB | rgb(115, 184, 188) |
| HSL | hsl(183, 35%, 59%) |
| OKLCH | oklch(73.8% 0.07 200.5) |
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 #73B8BC | 2.25:1 | Fails | Lc -49.2 | Large or bold text, headings |
| Black text on #73B8BC | 9.31:1 | AAA | Lc 59.6 | Large or bold text, headings |
| #73B8BC text on white | 2.25:1 | Fails | Lc 44.4 | Non-text elements, placeholder text |
| #73B8BC text on black | 9.31:1 | AAA | Lc -57.8 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1EDED
oklch(93.7% 0.013 196.9)
-
Step 200
200
#C8DEDF
oklch(88.5% 0.024 200.1)
-
Step 300
300
#A0CACC
oklch(81% 0.044 199.9)
-
Step 400
400 (this color)
#73B8BC
oklch(73.8% 0.07 200.5)
-
Step 500
500
#389A9F
oklch(63.2% 0.09 199.9)
-
Step 600
600
#008389
oklch(55.5% 0.094 200.5)
-
Step 700
700
#006F74
oklch(49.2% 0.084 200.3)
-
Step 800
800
#005B5F
oklch(42.8% 0.073 200)
-
Step 900
900
#0E4B4E
oklch(37.8% 0.059 200)
-
Step 950
950
#0C2C2E
oklch(27.1% 0.037 201)
#73B8BC 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) | #AFB2BC | 0.072 |
| Deuteranopia (no green cones) | #A2A9BC | 0.065 |
| Tritanopia (no blue cones) | #54BDB9 | 0.030 |
| Achromatopsia (no color) | #ADADAD | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73B8BC
#73B8BC
oklch(73.8% 0.07 200.5)
- #D39998
#D39998
oklch(73.8% 0.07 20)
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 #73B8BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.056
- Pewter #96A8A1 ΔE 0.057
- Bluegrey #85A3B2 ΔE 0.057
- Muted Teal #90B494 ΔE 0.058
- Topaz #13BBAF ΔE 0.062
- Light Grey Blue #9DBCD4 ΔE 0.062
- Greyblue #77A1B5 ΔE 0.063
- Cool Grey #95A3A6 ΔE 0.063
Use #73B8BC 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.