#73B0EC
Closest named color: Carolina Blue (#8AB8FE). oklch(74% 0.108 249.1), rgb(115, 176, 236).
Aa
Black text reads best on this color (9.15:1).
About this color
#73B0EC is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.108 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.042 away. Black text reads best on it, at 9.15:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.15:1 |
| White text | 2.29:1 |
Values
| HEX | #73B0EC |
| RGB | rgb(115, 176, 236) |
| HSL | hsl(210, 76%, 69%) |
| OKLCH | oklch(74% 0.108 249.1) |
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 #73B0EC | 2.29:1 | Fails | Lc -50.0 | Large or bold text, headings |
| Black text on #73B0EC | 9.15:1 | AAA | Lc 58.8 | Large or bold text, headings |
| #73B0EC text on white | 2.29:1 | Fails | Lc 45.1 | Large or bold text, headings |
| #73B0EC text on black | 9.15:1 | AAA | Lc -57.0 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0EBF7
oklch(93.5% 0.02 250.4)
-
Step 200
200
#C7DCF1
oklch(88.5% 0.037 248.2)
-
Step 300
300
#9FC5EB
oklch(80.9% 0.068 248.7)
-
Step 400
400 (this color)
#73B0EC
oklch(74% 0.108 249.1)
-
Step 500
500
#3C8ED9
oklch(63.1% 0.138 249.3)
-
Step 600
600
#0B76C6
oklch(55.5% 0.15 249.2)
-
Step 700
700
#0063A9
oklch(49% 0.136 249.1)
-
Step 800
800
#05518B
oklch(42.7% 0.116 249.4)
-
Step 900
900
#12446F
oklch(37.8% 0.09 249)
-
Step 950
950
#0D2841
oklch(27% 0.057 249.3)
#73B0EC 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) | #97B2EF | 0.042 |
| Deuteranopia (no green cones) | #88A6EB | 0.033 |
| Tritanopia (no blue cones) | #32BEC5 | 0.092 |
| Achromatopsia (no color) | #ABABAB | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73B0EC
#73B0EC
oklch(74% 0.108 249.1)
- #D79E5B
#D79E5B
oklch(74% 0.108 69.3)
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 #73B0EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.042
- Deep Sky Blue #00BFFF ΔE 0.062
- Lightblue #7BC8F6 ΔE 0.065
- Vivid Sky Blue #4CC9F0 ΔE 0.069
- Sky #82CAFC ΔE 0.073
- Light Grey Blue #9DBCD4 ΔE 0.073
- Pastel Blue #A2BFFE ΔE 0.074
- Periwinkle Blue #8F99FB ΔE 0.074
Use #73B0EC 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.