#73D9E0
Closest named color: Sky Blue (#87CEEB). oklch(82.6% 0.096 201.3), rgb(115, 217, 224).
Aa
Black text reads best on this color (12.73:1).
About this color
#73D9E0 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 83%, its chroma 0.096 and its hue 201°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.042 away. Black text reads best on it, at 12.73:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 12.73:1 |
| White text | 1.64:1 |
Values
| HEX | #73D9E0 |
| RGB | rgb(115, 217, 224) |
| HSL | hsl(184, 64%, 66%) |
| OKLCH | oklch(82.6% 0.096 201.3) |
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 #73D9E0 | 1.64:1 | Fails | Lc -32.2 | Non-text elements, placeholder text |
| Black text on #73D9E0 | 12.73:1 | AAA | Lc 75.2 | Fine for body text |
| #73D9E0 text on white | 1.64:1 | Fails | Lc 28.6 | Dividers and decoration only |
| #73D9E0 text on black | 12.73:1 | AAA | Lc -74.3 | 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
#ECF8F9
oklch(97% 0.013 202.9)
-
Step 100
100
#D6F0F1
oklch(93.7% 0.027 199.5)
-
Step 200
200
#B1E4E8
oklch(88.5% 0.053 202.2)
-
Step 300
300 (this color)
#73D9E0
oklch(82.6% 0.096 201.3)
-
Step 400
400
#00B6C0
oklch(70.7% 0.12 201.8)
-
Step 500
500
#009CA4
oklch(63% 0.107 201.2)
-
Step 600
600
#00838A
oklch(55.5% 0.094 201.4)
-
Step 700
700
#006E74
oklch(49% 0.083 201.4)
-
Step 800
800
#005A5F
oklch(42.5% 0.072 201.4)
-
Step 900
900
#004B50
oklch(37.6% 0.064 202.5)
-
Step 950
950
#002D30
oklch(27% 0.046 201.8)
#73D9E0 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) | #CCD1E1 | 0.097 |
| Deuteranopia (no green cones) | #BAC4E1 | 0.090 |
| Tritanopia (no blue cones) | #2FE0DB | 0.042 |
| Achromatopsia (no color) | #C9C9C9 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73D9E0
#73D9E0
oklch(82.6% 0.096 201.3)
- #FFAEAB
#FFAEAB
oklch(82.8% 0.096 21.7)
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 #73D9E0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.042
- Aqua Blue #02D8E9 ΔE 0.047
- Turquoise #40E0D0 ΔE 0.047
- Medium Turquoise #48D1CC ΔE 0.048
- Tiffany Blue #94D2BD ΔE 0.051
- Celeste #A8DADC ΔE 0.052
- Seafoam Blue #78D1B6 ΔE 0.056
- Robin's Egg #6DEDFD ΔE 0.057
Use #73D9E0 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.