#78C3DE
Closest named color: Light Cornflower Blue (#98C1D9). oklch(77.8% 0.084 223.1), rgb(120, 195, 222).
Aa
Black text reads best on this color (10.65:1).
About this color
#78C3DE is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 78%, its chroma 0.084 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.033 away. Black text reads best on it, at 10.65:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 10.65:1 |
| White text | 1.97:1 |
Values
| HEX | #78C3DE |
| RGB | rgb(120, 195, 222) |
| HSL | hsl(196, 61%, 67%) |
| OKLCH | oklch(77.8% 0.084 223.1) |
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 #78C3DE | 1.97:1 | Fails | Lc -42.3 | Non-text elements, placeholder text |
| Black text on #78C3DE | 10.65:1 | AAA | Lc 66.0 | Content text, not long reading |
| #78C3DE text on white | 1.97:1 | Fails | Lc 37.9 | Non-text elements, placeholder text |
| #78C3DE text on black | 10.65:1 | AAA | Lc -64.5 | 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
#D9EEF6
oklch(93.6% 0.025 222.6)
-
Step 200
200
#B9E1F0
oklch(88.6% 0.047 222.6)
-
Step 300
300 (this color)
#78C3DE
oklch(77.8% 0.084 223.1)
-
Step 400
400
#00B1DC
oklch(70.6% 0.132 223.3)
-
Step 500
500
#0098BD
oklch(63.1% 0.118 223.1)
-
Step 600
600
#00809F
oklch(55.6% 0.103 222.6)
-
Step 700
700
#006B86
oklch(49% 0.091 223.1)
-
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)
#78C3DE 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) | #B3BFDF | 0.067 |
| Deuteranopia (no green cones) | #A4B4DE | 0.060 |
| Tritanopia (no blue cones) | #47CCCB | 0.057 |
| Achromatopsia (no color) | #B9B9B9 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78C3DE
#78C3DE
oklch(77.8% 0.084 223.1)
- #E5A68C
#E5A68C
oklch(77.8% 0.083 43.4)
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 #78C3DE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.033
- Lightblue #7BC8F6 ΔE 0.035
- Sky Blue #87CEEB ΔE 0.037
- Vivid Sky Blue #4CC9F0 ΔE 0.038
- Light Grey Blue #9DBCD4 ΔE 0.041
- Sky #82CAFC ΔE 0.046
- Light Sky Blue #87CEFA ΔE 0.049
- Cloudy Blue #ACC2D9 ΔE 0.057
Use #78C3DE 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.