#78BCD5
Closest named color: Light Cornflower Blue (#98C1D9). oklch(75.9% 0.077 223.4), rgb(120, 188, 213).
Aa
Black text reads best on this color (9.95:1).
About this color
#78BCD5 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 76%, its chroma 0.077 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.040 away. Black text reads best on it, at 9.95:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 9.95:1 |
| White text | 2.10:1 |
Values
| HEX | #78BCD5 |
| RGB | rgb(120, 188, 213) |
| HSL | hsl(196, 53%, 65%) |
| OKLCH | oklch(75.9% 0.077 223.4) |
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 #78BCD5 | 2.10:1 | Fails | Lc -45.9 | Large or bold text, headings |
| Black text on #78BCD5 | 9.95:1 | AAA | Lc 62.7 | Content text, not long reading |
| #78BCD5 text on white | 2.10:1 | Fails | Lc 41.2 | Non-text elements, placeholder text |
| #78BCD5 text on black | 9.95:1 | AAA | Lc -61.0 | 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
#DBEEF5
oklch(93.7% 0.022 221.8)
-
Step 200
200
#BBE0EE
oklch(88.5% 0.043 222.8)
-
Step 300
300 (this color)
#78BCD5
oklch(75.9% 0.077 223.4)
-
Step 400
400
#26B1D9
oklch(70.8% 0.124 223.1)
-
Step 500
500
#0098BD
oklch(63.1% 0.118 223.1)
-
Step 600
600
#0080A0
oklch(55.7% 0.104 223.4)
-
Step 700
700
#006B87
oklch(49% 0.092 224)
-
Step 800
800
#00586F
oklch(42.7% 0.08 223.4)
-
Step 900
900
#00495D
oklch(37.7% 0.071 223.8)
-
Step 950
950
#002B38
oklch(26.8% 0.05 223.6)
#78BCD5 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) | #AEB9D6 | 0.063 |
| Deuteranopia (no green cones) | #A0AED5 | 0.056 |
| Tritanopia (no blue cones) | #4FC4C4 | 0.051 |
| Achromatopsia (no color) | #B2B2B2 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78BCD5
#78BCD5
oklch(75.9% 0.077 223.4)
- #DCA189
#DCA189
oklch(75.9% 0.078 43.1)
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 #78BCD5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.040
- Light Grey Blue #9DBCD4 ΔE 0.041
- Vivid Sky Blue #4CC9F0 ΔE 0.050
- Lightblue #7BC8F6 ΔE 0.051
- Sky Blue #87CEEB ΔE 0.056
- Sky #82CAFC ΔE 0.062
- Cloudy Blue #ACC2D9 ΔE 0.064
- French Gray #ADB5BD ΔE 0.065
Use #78BCD5 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.