#73A3BB
Closest named color: Greyblue (#77A1B5). oklch(69% 0.062 230.4), rgb(115, 163, 187).
Aa
Black text reads best on this color (7.68:1).
About this color
#73A3BB is a medium-light, muted blue. In OKLCH its lightness is 69%, its chroma 0.062 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.009 away. Black text reads best on it, at 7.68:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.68:1 |
| White text | 2.73:1 |
Values
| HEX | #73A3BB |
| RGB | rgb(115, 163, 187) |
| HSL | hsl(200, 35%, 59%) |
| OKLCH | oklch(69% 0.062 230.4) |
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 #73A3BB | 2.73:1 | Fails | Lc -58.0 | Large or bold text, headings |
| Black text on #73A3BB | 7.68:1 | AAA | Lc 51.2 | Large or bold text, headings |
| #73A3BB text on white | 2.73:1 | Fails | Lc 52.8 | Large or bold text, headings |
| #73A3BB text on black | 7.68:1 | AAA | Lc -49.0 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CBDCE5
oklch(88.4% 0.022 230.6)
-
Step 300
300
#A8C6D5
oklch(80.9% 0.039 229.5)
-
Step 400
400 (this color)
#73A3BB
oklch(69% 0.062 230.4)
-
Step 500
500
#5392B1
oklch(63% 0.08 231.3)
-
Step 600
600
#357C9C
oklch(55.5% 0.086 230.6)
-
Step 700
700
#266986
oklch(49.2% 0.081 230.3)
-
Step 800
800
#22556D
oklch(42.6% 0.067 231.8)
-
Step 900
900
#214758
oklch(37.8% 0.052 229.5)
-
Step 950
950
#142934
oklch(26.9% 0.034 232.8)
#73A3BB 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) | #97A1BC | 0.045 |
| Deuteranopia (no green cones) | #8D99BB | 0.040 |
| Tritanopia (no blue cones) | #58AAAB | 0.045 |
| Achromatopsia (no color) | #9C9C9C | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73A3BB
#73A3BB
oklch(69% 0.062 230.4)
- #BC9179
#BC9179
oklch(69.1% 0.062 50.5)
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 #73A3BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.009
- Bluegrey #85A3B2 ΔE 0.024
- Bluey Grey #89A0B0 ΔE 0.028
- Cool Gray #8D99AE ΔE 0.039
- Cadet Blue #5F9EA0 ΔE 0.048
- Cool Steel #97A7B3 ΔE 0.048
- Cool Grey #95A3A6 ΔE 0.049
- Silver Lake Blue #778DA9 ΔE 0.060
Use #73A3BB 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.