#73AAFD
Closest named color: Carolina Blue (#8AB8FE). oklch(73.5% 0.134 258.4), rgb(115, 170, 253).
Aa
Black text reads best on this color (8.89:1).
About this color
#73AAFD is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.134 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.048 away. Black text reads best on it, at 8.89:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 8.89:1 |
| White text | 2.36:1 |
Values
| HEX | #73AAFD |
| RGB | rgb(115, 170, 253) |
| HSL | hsl(216, 97%, 72%) |
| OKLCH | oklch(73.5% 0.134 258.4) |
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 #73AAFD | 2.36:1 | Fails | Lc -51.3 | Large or bold text, headings |
| Black text on #73AAFD | 8.89:1 | AAA | Lc 57.6 | Large or bold text, headings |
| #73AAFD text on white | 2.36:1 | Fails | Lc 46.4 | Large or bold text, headings |
| #73AAFD text on black | 8.89:1 | AAA | Lc -55.7 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBFB
oklch(93.7% 0.025 257.6)
-
Step 200
200
#C7DBF9
oklch(88.6% 0.047 258.4)
-
Step 300
300
#9FC3F7
oklch(81% 0.084 257.5)
-
Step 400
400 (this color)
#73AAFD
oklch(73.5% 0.134 258.4)
-
Step 500
500
#4187EF
oklch(63.1% 0.172 258.4)
-
Step 600
600
#1E6EDE
oklch(55.7% 0.187 258.4)
-
Step 700
700
#0F5BC0
oklch(49.1% 0.173 258.3)
-
Step 800
800
#114B9C
oklch(42.7% 0.144 258.4)
-
Step 900
900
#17407C
oklch(37.9% 0.112 258.3)
-
Step 950
950
#0E2648
oklch(27% 0.07 257.6)
#73AAFD 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) | #88B0FF | 0.030 |
| Deuteranopia (no green cones) | #77A3FB | 0.018 |
| Tritanopia (no blue cones) | #17BCC8 | 0.119 |
| Achromatopsia (no color) | #A9A9A9 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73AAFD
#73AAFD
oklch(73.5% 0.134 258.4)
- #D79E35
#D79E35
oklch(73.6% 0.134 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 #73AAFD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.048
- Periwinkle Blue #8F99FB ΔE 0.051
- Cornflower Blue #6495ED ΔE 0.061
- Deep Sky Blue #00BFFF ΔE 0.072
- Chefchaouen Blue #4895EF ΔE 0.075
- Perrywinkle #8F8CE7 ΔE 0.080
- Pastel Blue #A2BFFE ΔE 0.083
- Lightblue #7BC8F6 ΔE 0.086
Use #73AAFD 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.