#73A8CD
Closest named color: Greyblue (#77A1B5). oklch(70.8% 0.078 239.7), rgb(115, 168, 205).
Aa
Black text reads best on this color (8.21:1).
About this color
#73A8CD is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.078 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.035 away. Black text reads best on it, at 8.21:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.21:1 |
| White text | 2.55:1 |
Values
| HEX | #73A8CD |
| RGB | rgb(115, 168, 205) |
| HSL | hsl(205, 47%, 63%) |
| OKLCH | oklch(70.8% 0.078 239.7) |
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 #73A8CD | 2.55:1 | Fails | Lc -55.1 | Large or bold text, headings |
| Black text on #73A8CD | 8.21:1 | AAA | Lc 54.0 | Large or bold text, headings |
| #73A8CD text on white | 2.55:1 | Fails | Lc 50.0 | Large or bold text, headings |
| #73A8CD text on black | 8.21:1 | AAA | Lc -52.0 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF2
oklch(93.5% 0.014 241)
-
Step 200
200
#CADCEA
oklch(88.5% 0.027 241.2)
-
Step 300
300
#A5C6DD
oklch(81% 0.048 238.6)
-
Step 400
400 (this color)
#73A8CD
oklch(70.8% 0.078 239.7)
-
Step 500
500
#4B91C0
oklch(63.1% 0.1 240.3)
-
Step 600
600
#297BAC
oklch(55.7% 0.108 239.6)
-
Step 700
700
#1A6794
oklch(49.1% 0.101 240.1)
-
Step 800
800
#195478
oklch(42.6% 0.084 240.2)
-
Step 900
900
#1C4660
oklch(37.7% 0.064 238.9)
-
Step 950
950
#122938
oklch(27% 0.04 239.2)
#73A8CD 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) | #98A7CF | 0.045 |
| Deuteranopia (no green cones) | #8C9ECC | 0.038 |
| Tritanopia (no blue cones) | #4EB1B4 | 0.062 |
| Achromatopsia (no color) | #A2A2A2 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73A8CD
#73A8CD
oklch(70.8% 0.078 239.7)
- #C6966F
#C6966F
oklch(70.9% 0.079 60.1)
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 #73A8CD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.035
- Bluegrey #85A3B2 ΔE 0.041
- Bluey Grey #89A0B0 ΔE 0.046
- Cool Steel #97A7B3 ΔE 0.054
- Cool Gray #8D99AE ΔE 0.056
- Cool Grey #95A3A6 ΔE 0.064
- Turquoise Blue #06B1C4 ΔE 0.067
- Cadet Blue #5F9EA0 ΔE 0.073
Use #73A8CD 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.