#73A3EE
Closest named color: Cornflower Blue (#6495ED). oklch(71.3% 0.122 259), rgb(115, 163, 238).
Aa
Black text reads best on this color (8.20:1).
About this color
#73A3EE is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.122 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.043 away. Black text reads best on it, at 8.20:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.122) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 8.20:1 |
| White text | 2.56:1 |
Values
| HEX | #73A3EE |
| RGB | rgb(115, 163, 238) |
| HSL | hsl(217, 78%, 69%) |
| OKLCH | oklch(71.3% 0.122 259) |
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 #73A3EE | 2.56:1 | Fails | Lc -55.1 | Large or bold text, headings |
| Black text on #73A3EE | 8.20:1 | AAA | Lc 54.0 | Large or bold text, headings |
| #73A3EE text on white | 2.56:1 | Fails | Lc 50.0 | Large or bold text, headings |
| #73A3EE text on black | 8.20:1 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF9
oklch(93.7% 0.022 256.7)
-
Step 200
200
#C9DAF6
oklch(88.4% 0.043 260.4)
-
Step 300
300
#A3C2F2
oklch(80.8% 0.076 259)
-
Step 400
400 (this color)
#73A3EE
oklch(71.3% 0.122 259)
-
Step 500
500
#4B88E6
oklch(63.1% 0.156 258.8)
-
Step 600
600
#2D6FD4
oklch(55.5% 0.169 259)
-
Step 700
700
#205CB8
oklch(49% 0.158 259.2)
-
Step 800
800
#1D4C95
oklch(42.7% 0.131 259.2)
-
Step 900
900
#1D4077
oklch(37.7% 0.102 259.2)
-
Step 950
950
#122645
oklch(27% 0.064 258.9)
#73A3EE 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) | #85A8F1 | 0.026 |
| Deuteranopia (no green cones) | #779DEC | 0.016 |
| Tritanopia (no blue cones) | #34B4BE | 0.109 |
| Achromatopsia (no color) | #A2A2A2 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73A3EE
#73A3EE
oklch(71.3% 0.122 259)
- #CB983E
#CB983E
oklch(71.2% 0.122 78.6)
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 #73A3EE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.043
- Periwinkle Blue #8F99FB ΔE 0.048
- Chefchaouen Blue #4895EF ΔE 0.060
- Perrywinkle #8F8CE7 ΔE 0.064
- Carolina Blue #8AB8FE ΔE 0.065
- Soft Blue #6488EA ΔE 0.076
- Lavender Blue #8B88F8 ΔE 0.077
- Dark Sky Blue #448EE4 ΔE 0.078
Use #73A3EE 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.