#73BBEF
Closest named color: Carolina Blue (#8AB8FE). oklch(76.5% 0.104 241.3), rgb(115, 187, 239).
Aa
Black text reads best on this color (10.08:1).
About this color
#73BBEF is a medium-light, moderately saturated blue. In OKLCH its lightness is 76%, its chroma 0.104 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.036 away. Black text reads best on it, at 10.08:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 10.08:1 |
| White text | 2.08:1 |
Values
| HEX | #73BBEF |
| RGB | rgb(115, 187, 239) |
| HSL | hsl(205, 79%, 69%) |
| OKLCH | oklch(76.5% 0.104 241.3) |
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 #73BBEF | 2.08:1 | Fails | Lc -45.1 | Large or bold text, headings |
| Black text on #73BBEF | 10.08:1 | AAA | Lc 63.4 | Content text, not long reading |
| #73BBEF text on white | 2.08:1 | Fails | Lc 40.6 | Non-text elements, placeholder text |
| #73BBEF text on black | 10.08:1 | AAA | Lc -61.7 | 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
#EEF7FE
oklch(97.1% 0.013 241)
-
Step 100
100
#D9EDFD
oklch(93.6% 0.03 242)
-
Step 200
200
#B8DFFC
oklch(88.5% 0.057 240.5)
-
Step 300
300 (this color)
#73BBEF
oklch(76.5% 0.104 241.3)
-
Step 400
400
#00AAFD
oklch(70.6% 0.166 241.4)
-
Step 500
500
#0092DA
oklch(63.1% 0.148 241.4)
-
Step 600
600
#007BB8
oklch(55.7% 0.13 241.1)
-
Step 700
700
#00679B
oklch(49.1% 0.115 241)
-
Step 800
800
#005480
oklch(42.6% 0.1 241.3)
-
Step 900
900
#00466C
oklch(37.7% 0.089 241.5)
-
Step 950
950
#002942
oklch(26.9% 0.063 241.6)
#73BBEF 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) | #A4BBF1 | 0.055 |
| Deuteranopia (no green cones) | #93AEEE | 0.046 |
| Tritanopia (no blue cones) | #2AC8CC | 0.086 |
| Achromatopsia (no color) | #B4B4B4 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73BBEF
#73BBEF
oklch(76.5% 0.104 241.3)
- #E3A36C
#E3A36C
oklch(76.5% 0.104 61)
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 #73BBEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.036
- Lightblue #7BC8F6 ΔE 0.037
- Vivid Sky Blue #4CC9F0 ΔE 0.044
- Sky #82CAFC ΔE 0.046
- Deep Sky Blue #00BFFF ΔE 0.054
- Light Cornflower Blue #98C1D9 ΔE 0.055
- Light Sky Blue #87CEFA ΔE 0.057
- Light Grey Blue #9DBCD4 ΔE 0.058
Use #73BBEF 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.