#73A8D2
Closest named color: Greyblue (#77A1B5). oklch(71.1% 0.083 243.2), rgb(115, 168, 210).
Aa
Black text reads best on this color (8.26:1).
About this color
#73A8D2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.083 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.042 away. Black text reads best on it, at 8.26:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.26:1 |
| White text | 2.54:1 |
Values
| HEX | #73A8D2 |
| RGB | rgb(115, 168, 210) |
| HSL | hsl(207, 51%, 64%) |
| OKLCH | oklch(71.1% 0.083 243.2) |
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 #73A8D2 | 2.54:1 | Fails | Lc -54.8 | Large or bold text, headings |
| Black text on #73A8D2 | 8.26:1 | AAA | Lc 54.3 | Large or bold text, headings |
| #73A8D2 text on white | 2.54:1 | Fails | Lc 49.7 | Large or bold text, headings |
| #73A8D2 text on black | 8.26:1 | AAA | Lc -52.2 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#C9DCEB
oklch(88.5% 0.029 241.6)
-
Step 300
300
#A4C5E0
oklch(80.8% 0.052 243.1)
-
Step 400
400 (this color)
#73A8D2
oklch(71.1% 0.083 243.2)
-
Step 500
500
#4A90C5
oklch(63.1% 0.107 243.5)
-
Step 600
600
#287AB1
oklch(55.7% 0.115 242.7)
-
Step 700
700
#196699
oklch(49.1% 0.108 243.5)
-
Step 800
800
#18537C
oklch(42.6% 0.09 243.7)
-
Step 900
900
#1C4563
oklch(37.6% 0.069 243.3)
-
Step 950
950
#11293A
oklch(27% 0.044 241.7)
#73A8D2 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) | #96A8D4 | 0.042 |
| Deuteranopia (no green cones) | #8A9ED1 | 0.036 |
| Tritanopia (no blue cones) | #4BB2B6 | 0.068 |
| Achromatopsia (no color) | #A2A2A2 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73A8D2
#73A8D2
oklch(71.1% 0.083 243.2)
- #C7966A
#C7966A
oklch(71% 0.084 62.8)
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 #73A8D2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.042
- Bluegrey #85A3B2 ΔE 0.047
- Bluey Grey #89A0B0 ΔE 0.052
- Cool Steel #97A7B3 ΔE 0.059
- Cool Gray #8D99AE ΔE 0.060
- Cool Grey #95A3A6 ΔE 0.070
- Turquoise Blue #06B1C4 ΔE 0.071
- Cornflower Blue #6495ED ΔE 0.076
Use #73A8D2 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.