#73BBE5
Closest named color: Lightblue (#7BC8F6). oklch(76.1% 0.094 235.5), rgb(115, 187, 229).
Aa
Black text reads best on this color (9.96:1).
About this color
#73BBE5 is a medium-light, moderately saturated blue. In OKLCH its lightness is 76%, its chroma 0.094 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Lightblue (#7BC8F6), ΔE 0.040 away. Black text reads best on it, at 9.96:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Lightblue (#7BC8F6) |
| Black text | 9.96:1 |
| White text | 2.10:1 |
Values
| HEX | #73BBE5 |
| RGB | rgb(115, 187, 229) |
| HSL | hsl(202, 69%, 67%) |
| OKLCH | oklch(76.1% 0.094 235.5) |
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 #73BBE5 | 2.10:1 | Fails | Lc -45.7 | Large or bold text, headings |
| Black text on #73BBE5 | 9.96:1 | AAA | Lc 62.8 | Content text, not long reading |
| #73BBE5 text on white | 2.10:1 | Fails | Lc 41.1 | Non-text elements, placeholder text |
| #73BBE5 text on black | 9.96:1 | AAA | Lc -61.1 | 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
#EEF7FD
oklch(97.1% 0.013 236.6)
-
Step 100
100
#D9EDFA
oklch(93.5% 0.028 236.2)
-
Step 200
200
#B9DFF7
oklch(88.4% 0.052 235.9)
-
Step 300
300 (this color)
#73BBE5
oklch(76.1% 0.094 235.5)
-
Step 400
400
#01ADF1
oklch(70.7% 0.151 235.7)
-
Step 500
500
#0094CF
oklch(63% 0.135 235.8)
-
Step 600
600
#007DAF
oklch(55.7% 0.119 235.4)
-
Step 700
700
#006993
oklch(49.2% 0.104 234.9)
-
Step 800
800
#00567A
oklch(42.8% 0.091 235.4)
-
Step 900
900
#004766
oklch(37.6% 0.081 235.8)
-
Step 950
950
#002A3E
oklch(26.9% 0.057 235.2)
#73BBE5 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) | #A7BAE7 | 0.059 |
| Deuteranopia (no green cones) | #98ADE4 | 0.052 |
| Tritanopia (no blue cones) | #36C6C9 | 0.073 |
| Achromatopsia (no color) | #B3B3B3 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73BBE5
#73BBE5
oklch(76.1% 0.094 235.5)
- #E0A276
#E0A276
oklch(76.1% 0.094 56.1)
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 #73BBE5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lightblue #7BC8F6 ΔE 0.040
- Vivid Sky Blue #4CC9F0 ΔE 0.042
- Carolina Blue #8AB8FE ΔE 0.048
- Light Cornflower Blue #98C1D9 ΔE 0.048
- Light Grey Blue #9DBCD4 ΔE 0.051
- Sky #82CAFC ΔE 0.051
- Sky Blue #87CEEB ΔE 0.058
- Deep Sky Blue #00BFFF ΔE 0.060
Use #73BBE5 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.