#73B4E7
Closest named color: Carolina Blue (#8AB8FE). oklch(74.6% 0.1 243.3), rgb(115, 180, 231).
Aa
Black text reads best on this color (9.41:1).
About this color
#73B4E7 is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.100 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.044 away. Black text reads best on it, at 9.41:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.41:1 |
| White text | 2.23:1 |
Values
| HEX | #73B4E7 |
| RGB | rgb(115, 180, 231) |
| HSL | hsl(206, 71%, 68%) |
| OKLCH | oklch(74.6% 0.1 243.3) |
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 #73B4E7 | 2.23:1 | Fails | Lc -48.6 | Large or bold text, headings |
| Black text on #73B4E7 | 9.41:1 | AAA | Lc 60.1 | Content text, not long reading |
| #73B4E7 text on white | 2.23:1 | Fails | Lc 43.8 | Non-text elements, placeholder text |
| #73B4E7 text on black | 9.41:1 | AAA | Lc -58.3 | 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
#E0ECF5
oklch(93.7% 0.018 240)
-
Step 200
200
#C6DCEF
oklch(88.4% 0.035 244.2)
-
Step 300
300
#9FC6E6
oklch(80.9% 0.062 243.3)
-
Step 400
400 (this color)
#73B4E7
oklch(74.6% 0.1 243.3)
-
Step 500
500
#3691D0
oklch(63.2% 0.127 243)
-
Step 600
600
#007ABC
oklch(55.7% 0.136 243.3)
-
Step 700
700
#00669F
oklch(49.1% 0.12 243.6)
-
Step 800
800
#005483
oklch(42.8% 0.104 243)
-
Step 900
900
#0E456A
oklch(37.6% 0.084 243.9)
-
Step 950
950
#0B293E
oklch(27% 0.053 242.9)
#73B4E7 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) | #9EB4E9 | 0.049 |
| Deuteranopia (no green cones) | #8FA8E6 | 0.042 |
| Tritanopia (no blue cones) | #36C0C5 | 0.082 |
| Achromatopsia (no color) | #ADADAD | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73B4E7
#73B4E7
oklch(74.6% 0.1 243.3)
- #D99F68
#D99F68
oklch(74.6% 0.099 63.8)
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 #73B4E7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.044
- Lightblue #7BC8F6 ΔE 0.056
- Vivid Sky Blue #4CC9F0 ΔE 0.058
- Deep Sky Blue #00BFFF ΔE 0.060
- Light Grey Blue #9DBCD4 ΔE 0.062
- Light Cornflower Blue #98C1D9 ΔE 0.063
- Sky #82CAFC ΔE 0.065
- Pastel Blue #A2BFFE ΔE 0.071
Use #73B4E7 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.