#78BCD8
Closest named color: Light Cornflower Blue (#98C1D9). oklch(76% 0.08 226.1), rgb(120, 188, 216).
Aa
Black text reads best on this color (9.98:1).
About this color
#78BCD8 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 76%, its chroma 0.080 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.039 away. Black text reads best on it, at 9.98:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 9.98:1 |
| White text | 2.10:1 |
Values
| HEX | #78BCD8 |
| RGB | rgb(120, 188, 216) |
| HSL | hsl(197, 55%, 66%) |
| OKLCH | oklch(76% 0.08 226.1) |
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 #78BCD8 | 2.10:1 | Fails | Lc -45.7 | Large or bold text, headings |
| Black text on #78BCD8 | 9.98:1 | AAA | Lc 62.9 | Content text, not long reading |
| #78BCD8 text on white | 2.10:1 | Fails | Lc 41.1 | Non-text elements, placeholder text |
| #78BCD8 text on black | 9.98:1 | AAA | Lc -61.2 | 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
#EEF7FB
oklch(97.1% 0.011 226)
-
Step 100
100
#DBEDF6
oklch(93.5% 0.023 229.1)
-
Step 200
200
#BBE0F0
oklch(88.5% 0.045 225.9)
-
Step 300
300 (this color)
#78BCD8
oklch(76% 0.08 226.1)
-
Step 400
400
#25B0DD
oklch(70.7% 0.127 226)
-
Step 500
500
#0097C1
oklch(63% 0.121 226.4)
-
Step 600
600
#007FA3
oklch(55.6% 0.107 226.4)
-
Step 700
700
#006B89
oklch(49.1% 0.094 225.7)
-
Step 800
800
#005771
oklch(42.6% 0.082 226.6)
-
Step 900
900
#00495F
oklch(37.8% 0.072 226.2)
-
Step 950
950
#002B3A
oklch(27% 0.052 227.2)
#78BCD8 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) | #ADB9D9 | 0.062 |
| Deuteranopia (no green cones) | #9FAED8 | 0.055 |
| Tritanopia (no blue cones) | #4DC4C5 | 0.054 |
| Achromatopsia (no color) | #B3B3B3 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78BCD8
#78BCD8
oklch(76% 0.08 226.1)
- #DCA286
#DCA286
oklch(76% 0.079 46.8)
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 #78BCD8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.039
- Light Grey Blue #9DBCD4 ΔE 0.041
- Vivid Sky Blue #4CC9F0 ΔE 0.048
- Lightblue #7BC8F6 ΔE 0.048
- Sky Blue #87CEEB ΔE 0.055
- Sky #82CAFC ΔE 0.059
- Cloudy Blue #ACC2D9 ΔE 0.064
- Light Sky Blue #87CEFA ΔE 0.064
Use #78BCD8 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.