#73A5D8
Closest named color: Greyblue (#77A1B5). oklch(70.7% 0.092 249.7), rgb(115, 165, 216).
Aa
Black text reads best on this color (8.10:1).
About this color
#73A5D8 is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.092 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.050 away. Black text reads best on it, at 8.10:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.10:1 |
| White text | 2.59:1 |
Values
| HEX | #73A5D8 |
| RGB | rgb(115, 165, 216) |
| HSL | hsl(210, 56%, 65%) |
| OKLCH | oklch(70.7% 0.092 249.7) |
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 #73A5D8 | 2.59:1 | Fails | Lc -55.7 | Large or bold text, headings |
| Black text on #73A5D8 | 8.10:1 | AAA | Lc 53.5 | Large or bold text, headings |
| #73A5D8 text on white | 2.59:1 | Fails | Lc 50.5 | Large or bold text, headings |
| #73A5D8 text on black | 8.10:1 | AAA | Lc -51.4 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#CADBEE
oklch(88.5% 0.032 251.1)
-
Step 300
300
#A5C4E5
oklch(80.9% 0.058 250.2)
-
Step 400
400 (this color)
#73A5D8
oklch(70.7% 0.092 249.7)
-
Step 500
500
#4C8ECE
oklch(63.1% 0.118 249.6)
-
Step 600
600
#2D77BB
oklch(55.7% 0.128 249.7)
-
Step 700
700
#1E63A1
oklch(49% 0.12 250)
-
Step 800
800
#1C5182
oklch(42.6% 0.099 249.9)
-
Step 900
900
#1D4469
oklch(37.8% 0.077 249.6)
-
Step 950
950
#12283D
oklch(27% 0.048 249)
#73A5D8 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) | #91A6DA | 0.036 |
| Deuteranopia (no green cones) | #849CD7 | 0.029 |
| Tritanopia (no blue cones) | #47B1B6 | 0.080 |
| Achromatopsia (no color) | #A1A1A1 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73A5D8
#73A5D8
oklch(70.7% 0.092 249.7)
- #C6965F
#C6965F
oklch(70.7% 0.092 69.2)
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 #73A5D8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.050
- Bluegrey #85A3B2 ΔE 0.057
- Bluey Grey #89A0B0 ΔE 0.060
- Cornflower Blue #6495ED ΔE 0.063
- Cool Gray #8D99AE ΔE 0.065
- Cool Steel #97A7B3 ΔE 0.069
- Carolina Blue #8AB8FE ΔE 0.075
- Periwinkle Blue #8F99FB ΔE 0.075
Use #73A5D8 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.