#73B5FF
Closest named color: Carolina Blue (#8AB8FE). oklch(75.9% 0.127 252.3), rgb(115, 181, 255).
Aa
Black text reads best on this color (9.78:1).
About this color
#73B5FF is a medium-light, moderately saturated blue. In OKLCH its lightness is 76%, its chroma 0.127 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.027 away. Black text reads best on it, at 9.78:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.78:1 |
| White text | 2.14:1 |
Values
| HEX | #73B5FF |
| RGB | rgb(115, 181, 255) |
| HSL | hsl(212, 100%, 73%) |
| OKLCH | oklch(75.9% 0.127 252.3) |
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 #73B5FF | 2.14:1 | Fails | Lc -46.7 | Large or bold text, headings |
| Black text on #73B5FF | 9.78:1 | AAA | Lc 62.0 | Content text, not long reading |
| #73B5FF text on white | 2.14:1 | Fails | Lc 42.0 | Non-text elements, placeholder text |
| #73B5FF text on black | 9.78:1 | AAA | Lc -60.2 | Content text, not long reading |
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 300.
-
Step 50
50
#EFF6FF
oklch(97% 0.014 254.6)
-
Step 100
100
#DBECFF
oklch(93.6% 0.032 251.1)
-
Step 200
200
#BEDCFF
oklch(88.4% 0.058 252.4)
-
Step 300
300 (this color)
#73B5FF
oklch(75.9% 0.127 252.3)
-
Step 400
400
#4FA4FF
oklch(70.8% 0.157 252.3)
-
Step 500
500
#008AF8
oklch(63.2% 0.191 252.4)
-
Step 600
600
#0074D1
oklch(55.7% 0.167 252.1)
-
Step 700
700
#0061B1
oklch(49.1% 0.148 252.3)
-
Step 800
800
#004F93
oklch(42.7% 0.13 252.6)
-
Step 900
900
#00427B
oklch(37.7% 0.113 252.1)
-
Step 950
950
#00274C
oklch(27.1% 0.08 251.6)
#73B5FF 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) | #97B8FF | 0.041 |
| Deuteranopia (no green cones) | #85ABFE | 0.030 |
| Tritanopia (no blue cones) | #03C6CF | 0.111 |
| Achromatopsia (no color) | #B1B1B1 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73B5FF
#73B5FF
oklch(75.9% 0.127 252.3)
- #E2A34C
#E2A34C
oklch(76% 0.127 72.5)
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 #73B5FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.027
- Deep Sky Blue #00BFFF ΔE 0.057
- Lightblue #7BC8F6 ΔE 0.058
- Pastel Blue #A2BFFE ΔE 0.062
- Sky #82CAFC ΔE 0.062
- Vivid Sky Blue #4CC9F0 ΔE 0.068
- Periwinkle Blue #8F99FB ΔE 0.075
- Bright Sky Blue #02CCFE ΔE 0.075
Use #73B5FF 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.