#73A3DD
Closest named color: Cornflower Blue (#6495ED). oklch(70.4% 0.1 253.7), rgb(115, 163, 221).
Aa
Black text reads best on this color (8.01:1).
About this color
#73A3DD is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.100 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.053 away. Black text reads best on it, at 8.01:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 8.01:1 |
| White text | 2.62:1 |
Values
| HEX | #73A3DD |
| RGB | rgb(115, 163, 221) |
| HSL | hsl(213, 61%, 66%) |
| OKLCH | oklch(70.4% 0.1 253.7) |
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 #73A3DD | 2.62:1 | Fails | Lc -56.2 | Large or bold text, headings |
| Black text on #73A3DD | 8.01:1 | AAA | Lc 53.0 | Large or bold text, headings |
| #73A3DD text on white | 2.62:1 | Fails | Lc 51.0 | Large or bold text, headings |
| #73A3DD text on black | 8.01:1 | AAA | Lc -50.9 | 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
#E2EBF6
oklch(93.7% 0.018 253.3)
-
Step 200
200
#CADBF0
oklch(88.5% 0.034 253.7)
-
Step 300
300
#A5C3E9
oklch(80.8% 0.063 254.5)
-
Step 400
400 (this color)
#73A3DD
oklch(70.4% 0.1 253.7)
-
Step 500
500
#4E8CD5
oklch(63.2% 0.128 253.8)
-
Step 600
600
#2F74C2
oklch(55.5% 0.14 253.9)
-
Step 700
700
#2261A7
oklch(49% 0.129 253.9)
-
Step 800
800
#1E5088
oklch(42.8% 0.107 253.7)
-
Step 900
900
#1E436D
oklch(37.8% 0.084 253.4)
-
Step 950
950
#132740
oklch(27% 0.054 254.9)
#73A3DD 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) | #8CA6E0 | 0.032 |
| Deuteranopia (no green cones) | #7F9BDC | 0.024 |
| Tritanopia (no blue cones) | #44B0B7 | 0.088 |
| Achromatopsia (no color) | #A0A0A0 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73A3DD
#73A3DD
oklch(70.4% 0.1 253.7)
- #C59655
#C59655
oklch(70.4% 0.1 73.9)
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 #73A3DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.053
- Greyblue #77A1B5 ΔE 0.059
- Bluegrey #85A3B2 ΔE 0.066
- Periwinkle Blue #8F99FB ΔE 0.066
- Bluey Grey #89A0B0 ΔE 0.068
- Chefchaouen Blue #4895EF ΔE 0.068
- Cool Gray #8D99AE ΔE 0.071
- Perrywinkle #8F8CE7 ΔE 0.072
Use #73A3DD 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.