#73B1FF
Closest named color: Carolina Blue (#8AB8FE). oklch(75.1% 0.13 254.8), rgb(115, 177, 255).
Aa
Black text reads best on this color (9.46:1).
About this color
#73B1FF is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.130 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.033 away. Black text reads best on it, at 9.46:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.46:1 |
| White text | 2.21:1 |
Values
| HEX | #73B1FF |
| RGB | rgb(115, 177, 255) |
| HSL | hsl(213, 100%, 73%) |
| OKLCH | oklch(75.1% 0.13 254.8) |
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 #73B1FF | 2.21:1 | Fails | Lc -48.3 | Large or bold text, headings |
| Black text on #73B1FF | 9.46:1 | AAA | Lc 60.4 | Content text, not long reading |
| #73B1FF text on white | 2.21:1 | Fails | Lc 43.5 | Non-text elements, placeholder text |
| #73B1FF text on black | 9.46:1 | AAA | Lc -58.6 | 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
#E0EBFA
oklch(93.6% 0.024 256.1)
-
Step 200
200
#C6DBF7
oklch(88.5% 0.045 255.6)
-
Step 300
300
#9DC4F5
oklch(81% 0.081 254.4)
-
Step 400
400 (this color)
#73B1FF
oklch(75.1% 0.13 254.8)
-
Step 500
500
#378AEB
oklch(63.2% 0.166 254.7)
-
Step 600
600
#0271D9
oklch(55.6% 0.181 254.7)
-
Step 700
700
#005FB8
oklch(49.1% 0.16 254.6)
-
Step 800
800
#004D99
oklch(42.7% 0.14 255)
-
Step 900
900
#0F4179
oklch(37.6% 0.108 254.7)
-
Step 950
950
#0B2747
oklch(27.1% 0.068 254.1)
#73B1FF 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) | #91B5FF | 0.036 |
| Deuteranopia (no green cones) | #7FA8FD | 0.025 |
| Tritanopia (no blue cones) | #09C3CD | 0.115 |
| Achromatopsia (no color) | #AEAEAE | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73B1FF
#73B1FF
oklch(75.1% 0.13 254.8)
- #DEA143
#DEA143
oklch(75.1% 0.13 74.9)
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 #73B1FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.033
- Deep Sky Blue #00BFFF ΔE 0.061
- Periwinkle Blue #8F99FB ΔE 0.065
- Lightblue #7BC8F6 ΔE 0.069
- Pastel Blue #A2BFFE ΔE 0.069
- Sky #82CAFC ΔE 0.073
- Vivid Sky Blue #4CC9F0 ΔE 0.077
- Cornflower Blue #6495ED ΔE 0.078
Use #73B1FF 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.