#78DBEC
Closest named color: Sky Blue (#87CEEB). oklch(83.7% 0.096 209.9), rgb(120, 219, 236).
Aa
Black text reads best on this color (13.14:1).
About this color
#78DBEC is a light, moderately saturated teal or cyan. In OKLCH its lightness is 84%, its chroma 0.096 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.036 away. Black text reads best on it, at 13.14:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 13.14:1 |
| White text | 1.59:1 |
Values
| HEX | #78DBEC |
| RGB | rgb(120, 219, 236) |
| HSL | hsl(189, 75%, 70%) |
| OKLCH | oklch(83.7% 0.096 209.9) |
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 #78DBEC | 1.59:1 | Fails | Lc -30.3 | Non-text elements, placeholder text |
| Black text on #78DBEC | 13.14:1 | AAA | Lc 77.0 | Fine for body text |
| #78DBEC text on white | 1.59:1 | Fails | Lc 26.8 | Dividers and decoration only |
| #78DBEC text on black | 13.14:1 | AAA | Lc -76.2 | 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
#D6EFF4
oklch(93.5% 0.027 211.1)
-
Step 200
200
#B1E3ED
oklch(88.4% 0.053 211.2)
-
Step 300
300 (this color)
#78DBEC
oklch(83.7% 0.096 209.9)
-
Step 400
400
#00B5CA
oklch(70.8% 0.122 209.4)
-
Step 500
500
#009BAE
oklch(63.2% 0.109 210)
-
Step 600
600
#008292
oklch(55.6% 0.096 209.8)
-
Step 700
700
#006D7B
oklch(49% 0.085 210.2)
-
Step 800
800
#005A65
oklch(42.8% 0.074 209.1)
-
Step 900
900
#004B55
oklch(37.8% 0.065 210)
-
Step 950
950
#002C33
oklch(26.9% 0.047 211.1)
#78DBEC 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) | #CCD4ED | 0.092 |
| Deuteranopia (no green cones) | #B9C7EC | 0.083 |
| Tritanopia (no blue cones) | #32E3E0 | 0.051 |
| Achromatopsia (no color) | #CCCCCC | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78DBEC
#78DBEC
oklch(83.7% 0.096 209.9)
- #FFB4A7
#FFB4A7
oklch(83.7% 0.09 30)
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 #78DBEC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.036
- Robin's Egg #6DEDFD ΔE 0.047
- Light Sky Blue #87CEFA ΔE 0.047
- Celeste #A8DADC ΔE 0.049
- Light Blue #ADD8E6 ΔE 0.052
- Aqua Blue #02D8E9 ΔE 0.053
- Sky #82CAFC ΔE 0.058
- Lightblue #7BC8F6 ΔE 0.058
Use #78DBEC 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.