#73A4EB
Closest named color: Cornflower Blue (#6495ED). oklch(71.3% 0.117 257.6), rgb(115, 164, 235).
Aa
Black text reads best on this color (8.23:1).
About this color
#73A4EB is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.117 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.046 away. Black text reads best on it, at 8.23:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 8.23:1 |
| White text | 2.54:1 |
Values
| HEX | #73A4EB |
| RGB | rgb(115, 164, 235) |
| HSL | hsl(216, 75%, 69%) |
| OKLCH | oklch(71.3% 0.117 257.6) |
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 #73A4EB | 2.54:1 | Fails | Lc -54.9 | Large or bold text, headings |
| Black text on #73A4EB | 8.23:1 | AAA | Lc 54.2 | Large or bold text, headings |
| #73A4EB text on white | 2.54:1 | Fails | Lc 49.8 | Large or bold text, headings |
| #73A4EB text on black | 8.23:1 | AAA | Lc -52.1 | 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
#E1EBF8
oklch(93.6% 0.021 254.9)
-
Step 200
200
#C9DBF5
oklch(88.6% 0.041 257.5)
-
Step 300
300
#A3C3F0
oklch(80.9% 0.073 256.9)
-
Step 400
400 (this color)
#73A4EB
oklch(71.3% 0.117 257.6)
-
Step 500
500
#4B89E2
oklch(63.1% 0.149 257.6)
-
Step 600
600
#2C71D0
oklch(55.6% 0.162 257.5)
-
Step 700
700
#1E5EB4
oklch(49.1% 0.151 257.4)
-
Step 800
800
#1C4D92
oklch(42.7% 0.125 257.8)
-
Step 900
900
#1D4174
oklch(37.7% 0.097 257.5)
-
Step 950
950
#122644
oklch(26.9% 0.062 258.3)
#73A4EB 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) | #88A8EE | 0.028 |
| Deuteranopia (no green cones) | #7A9DEA | 0.019 |
| Tritanopia (no blue cones) | #37B4BD | 0.105 |
| Achromatopsia (no color) | #A2A2A2 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73A4EB
#73A4EB
oklch(71.3% 0.117 257.6)
- #CB9845
#CB9845
oklch(71.3% 0.117 77)
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 #73A4EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.046
- Periwinkle Blue #8F99FB ΔE 0.052
- Chefchaouen Blue #4895EF ΔE 0.063
- Carolina Blue #8AB8FE ΔE 0.064
- Perrywinkle #8F8CE7 ΔE 0.067
- Soft Blue #6488EA ΔE 0.079
- Greyblue #77A1B5 ΔE 0.079
- Dark Sky Blue #448EE4 ΔE 0.080
Use #73A4EB 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.