#78ADDB
Closest named color: Greyblue (#77A1B5). oklch(72.8% 0.087 245.6), rgb(120, 173, 219).
Aa
Black text reads best on this color (8.79:1).
About this color
#78ADDB is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.087 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.058 away. Black text reads best on it, at 8.79:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.79:1 |
| White text | 2.38:1 |
Values
| HEX | #78ADDB |
| RGB | rgb(120, 173, 219) |
| HSL | hsl(208, 58%, 66%) |
| OKLCH | oklch(72.8% 0.087 245.6) |
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 #78ADDB | 2.38:1 | Fails | Lc -51.9 | Large or bold text, headings |
| Black text on #78ADDB | 8.79:1 | AAA | Lc 57.0 | Large or bold text, headings |
| #78ADDB text on white | 2.38:1 | Fails | Lc 46.9 | Large or bold text, headings |
| #78ADDB text on black | 8.79:1 | AAA | Lc -55.1 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF4
oklch(93.6% 0.016 248)
-
Step 200
200
#C9DCEC
oklch(88.5% 0.03 243.4)
-
Step 300
300
#A4C5E2
oklch(80.9% 0.054 245.1)
-
Step 400
400 (this color)
#78ADDB
oklch(72.8% 0.087 245.6)
-
Step 500
500
#4A8FC9
oklch(63% 0.112 246.2)
-
Step 600
600
#2879B5
oklch(55.7% 0.121 245.2)
-
Step 700
700
#19659C
oklch(49% 0.113 245.7)
-
Step 800
800
#18537F
oklch(42.8% 0.094 245.5)
-
Step 900
900
#1B4566
oklch(37.8% 0.073 245.3)
-
Step 950
950
#11283C
oklch(26.9% 0.047 246.9)
#78ADDB 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) | #9AADDD | 0.041 |
| Deuteranopia (no green cones) | #8DA3DA | 0.034 |
| Tritanopia (no blue cones) | #4EB8BC | 0.074 |
| Achromatopsia (no color) | #A8A8A8 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78ADDB
#78ADDB
oklch(72.8% 0.087 245.6)
- #CD9C6B
#CD9C6B
oklch(72.8% 0.087 65.7)
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 #78ADDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.058
- Bluegrey #85A3B2 ΔE 0.059
- Carolina Blue #8AB8FE ΔE 0.059
- Cool Steel #97A7B3 ΔE 0.063
- Bluey Grey #89A0B0 ΔE 0.063
- Light Grey Blue #9DBCD4 ΔE 0.066
- Light Cornflower Blue #98C1D9 ΔE 0.071
- Cool Gray #8D99AE ΔE 0.073
Use #78ADDB 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.