#73DCEB
Closest named color: Sky Blue (#87CEEB). oklch(83.7% 0.099 207.6), rgb(115, 220, 235).
Aa
Black text reads best on this color (13.16:1).
About this color
#73DCEB is a light, moderately saturated teal or cyan. In OKLCH its lightness is 84%, its chroma 0.099 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.040 away. Black text reads best on it, at 13.16:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 13.16:1 |
| White text | 1.59:1 |
Values
| HEX | #73DCEB |
| RGB | rgb(115, 220, 235) |
| HSL | hsl(188, 75%, 69%) |
| OKLCH | oklch(83.7% 0.099 207.6) |
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 #73DCEB | 1.59:1 | Fails | Lc -30.2 | Non-text elements, placeholder text |
| Black text on #73DCEB | 13.16:1 | AAA | Lc 77.1 | Fine for body text |
| #73DCEB text on white | 1.59:1 | Fails | Lc 26.7 | Dividers and decoration only |
| #73DCEB text on black | 13.16:1 | AAA | Lc -76.3 | Fine for body text |
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
#ECF8FA
oklch(97.1% 0.013 208.8)
-
Step 100
100
#D5F0F4
oklch(93.7% 0.029 207.4)
-
Step 200
200
#AFE4EC
oklch(88.5% 0.055 207.7)
-
Step 300
300 (this color)
#73DCEB
oklch(83.7% 0.099 207.6)
-
Step 400
400
#00B5C7
oklch(70.7% 0.121 207.4)
-
Step 500
500
#009BAB
oklch(63% 0.108 207.7)
-
Step 600
600
#008290
oklch(55.5% 0.095 208)
-
Step 700
700
#006E79
oklch(49.2% 0.084 206.9)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900
#004B53
oklch(37.7% 0.065 207)
-
Step 950
950
#002D32
oklch(27.1% 0.046 206.3)
#73DCEB 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) | #CDD5EC | 0.097 |
| Deuteranopia (no green cones) | #BAC7EB | 0.088 |
| Tritanopia (no blue cones) | #1CE4E0 | 0.051 |
| Achromatopsia (no color) | #CDCDCD | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73DCEB
#73DCEB
oklch(83.7% 0.099 207.6)
- #FFB4A9
#FFB4A9
oklch(83.8% 0.09 28.4)
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 #73DCEB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.040
- Robin's Egg #6DEDFD ΔE 0.045
- Aqua Blue #02D8E9 ΔE 0.050
- Light Sky Blue #87CEFA ΔE 0.052
- Celeste #A8DADC ΔE 0.052
- Light Blue #ADD8E6 ΔE 0.056
- Turquoise #40E0D0 ΔE 0.056
- Medium Turquoise #48D1CC ΔE 0.061
Use #73DCEB 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.