#78B7DF
Closest named color: Light Grey Blue (#9DBCD4). oklch(75.2% 0.087 237.4), rgb(120, 183, 223).
Aa
Black text reads best on this color (9.63:1).
About this color
#78B7DF is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.087 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.048 away. Black text reads best on it, at 9.63:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.63:1 |
| White text | 2.17:1 |
Values
| HEX | #78B7DF |
| RGB | rgb(120, 183, 223) |
| HSL | hsl(203, 62%, 67%) |
| OKLCH | oklch(75.2% 0.087 237.4) |
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 #78B7DF | 2.17:1 | Fails | Lc -47.5 | Large or bold text, headings |
| Black text on #78B7DF | 9.63:1 | AAA | Lc 61.2 | Content text, not long reading |
| #78B7DF text on white | 2.17:1 | Fails | Lc 42.8 | Non-text elements, placeholder text |
| #78B7DF text on black | 9.63:1 | AAA | Lc -59.4 | Large or bold text, headings |
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 400.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1ECF3
oklch(93.7% 0.015 235.4)
-
Step 200
200
#C7DDEB
oklch(88.6% 0.03 235.7)
-
Step 300
300
#A0C7E0
oklch(81% 0.055 236.5)
-
Step 400
400 (this color)
#78B7DF
oklch(75.2% 0.087 237.4)
-
Step 500
500
#3C93C4
oklch(63.2% 0.11 237)
-
Step 600
600
#077CB1
oklch(55.6% 0.121 237.6)
-
Step 700
700
#006896
oklch(49.1% 0.108 237.6)
-
Step 800
800
#02557B
oklch(42.6% 0.093 237.4)
-
Step 900
900
#124763
oklch(37.8% 0.072 236.7)
-
Step 950
950
#0D293A
oklch(26.9% 0.046 238.6)
#78B7DF 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) | #A5B6E1 | 0.052 |
| Deuteranopia (no green cones) | #97ABDE | 0.045 |
| Tritanopia (no blue cones) | #49C1C4 | 0.068 |
| Achromatopsia (no color) | #B0B0B0 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78B7DF
#78B7DF
oklch(75.2% 0.087 237.4)
- #D9A178
#D9A178
oklch(75.2% 0.087 57.2)
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 #78B7DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.048
- Light Cornflower Blue #98C1D9 ΔE 0.049
- Lightblue #7BC8F6 ΔE 0.050
- Carolina Blue #8AB8FE ΔE 0.051
- Vivid Sky Blue #4CC9F0 ΔE 0.053
- Sky #82CAFC ΔE 0.060
- Sky Blue #87CEEB ΔE 0.065
- Deep Sky Blue #00BFFF ΔE 0.068
Use #78B7DF 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.