#73A3DB
Closest named color: Cornflower Blue (#6495ED). oklch(70.4% 0.098 252.9), rgb(115, 163, 219).
Aa
Black text reads best on this color (7.99:1).
About this color
#73A3DB is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.098 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.055 away. Black text reads best on it, at 7.99:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.99:1 |
| White text | 2.62:1 |
Values
| HEX | #73A3DB |
| RGB | rgb(115, 163, 219) |
| HSL | hsl(212, 59%, 65%) |
| OKLCH | oklch(70.4% 0.098 252.9) |
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 #73A3DB | 2.62:1 | Fails | Lc -56.3 | Large or bold text, headings |
| Black text on #73A3DB | 7.99:1 | AAA | Lc 52.9 | Large or bold text, headings |
| #73A3DB text on white | 2.62:1 | Fails | Lc 51.1 | Large or bold text, headings |
| #73A3DB text on black | 7.99:1 | AAA | Lc -50.8 | 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
#A5C4E8
oklch(81% 0.061 252.4)
-
Step 400
400 (this color)
#73A3DB
oklch(70.4% 0.098 252.9)
-
Step 500
500
#4E8CD3
oklch(63.1% 0.125 253.2)
-
Step 600
600
#3075C0
oklch(55.6% 0.136 253.1)
-
Step 700
700
#2262A6
oklch(49.2% 0.126 253)
-
Step 800
800
#1E5086
oklch(42.7% 0.104 253)
-
Step 900
900
#1F436B
oklch(37.7% 0.08 252.8)
-
Step 950
950
#13273F
oklch(26.9% 0.052 254)
#73A3DB 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) | #8DA5DE | 0.032 |
| Deuteranopia (no green cones) | #809BDA | 0.024 |
| Tritanopia (no blue cones) | #46B0B6 | 0.086 |
| Achromatopsia (no color) | #A0A0A0 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73A3DB
#73A3DB
oklch(70.4% 0.098 252.9)
- #C59658
#C59658
oklch(70.4% 0.098 72.8)
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 #73A3DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.055
- Greyblue #77A1B5 ΔE 0.056
- Bluegrey #85A3B2 ΔE 0.063
- Bluey Grey #89A0B0 ΔE 0.065
- Cool Gray #8D99AE ΔE 0.068
- Periwinkle Blue #8F99FB ΔE 0.069
- Chefchaouen Blue #4895EF ΔE 0.070
- Perrywinkle #8F8CE7 ΔE 0.073
Use #73A3DB 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.