#78AED8
Closest named color: Greyblue (#77A1B5). oklch(72.9% 0.084 242.7), rgb(120, 174, 216).
Aa
Black text reads best on this color (8.84:1).
About this color
#78AED8 is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.084 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.055 away. Black text reads best on it, at 8.84:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.84:1 |
| White text | 2.37:1 |
Values
| HEX | #78AED8 |
| RGB | rgb(120, 174, 216) |
| HSL | hsl(206, 55%, 66%) |
| OKLCH | oklch(72.9% 0.084 242.7) |
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 #78AED8 | 2.37:1 | Fails | Lc -51.7 | Large or bold text, headings |
| Black text on #78AED8 | 8.84:1 | AAA | Lc 57.3 | Large or bold text, headings |
| #78AED8 text on white | 2.37:1 | Fails | Lc 46.7 | Large or bold text, headings |
| #78AED8 text on black | 8.84:1 | AAA | Lc -55.3 | 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
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#C9DCEB
oklch(88.5% 0.029 241.6)
-
Step 300
300
#A4C5E0
oklch(80.8% 0.052 243.1)
-
Step 400
400 (this color)
#78AED8
oklch(72.9% 0.084 242.7)
-
Step 500
500
#4990C5
oklch(63% 0.107 243.3)
-
Step 600
600
#267AB1
oklch(55.6% 0.116 242.4)
-
Step 700
700
#176698
oklch(49% 0.108 242.7)
-
Step 800
800
#17547C
oklch(42.8% 0.09 242.5)
-
Step 900
900
#1B4563
oklch(37.6% 0.069 242.8)
-
Step 950
950
#11293A
oklch(27% 0.044 241.7)
#78AED8 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) | #9CAEDA | 0.043 |
| Deuteranopia (no green cones) | #8FA4D7 | 0.035 |
| Tritanopia (no blue cones) | #50B8BC | 0.068 |
| Achromatopsia (no color) | #A8A8A8 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78AED8
#78AED8
oklch(72.9% 0.084 242.7)
- #CD9C70
#CD9C70
oklch(72.9% 0.083 62.9)
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 #78AED8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.055
- Bluegrey #85A3B2 ΔE 0.055
- Cool Steel #97A7B3 ΔE 0.059
- Bluey Grey #89A0B0 ΔE 0.060
- Carolina Blue #8AB8FE ΔE 0.062
- Light Grey Blue #9DBCD4 ΔE 0.062
- Light Cornflower Blue #98C1D9 ΔE 0.068
- Cool Gray #8D99AE ΔE 0.072
Use #78AED8 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.