#78AACE
Closest named color: Greyblue (#77A1B5). oklch(71.6% 0.075 240.4), rgb(120, 170, 206).
Aa
Black text reads best on this color (8.43:1).
About this color
#78AACE is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.075 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.039 away. Black text reads best on it, at 8.43:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.43:1 |
| White text | 2.48:1 |
Values
| HEX | #78AACE |
| RGB | rgb(120, 170, 206) |
| HSL | hsl(205, 47%, 64%) |
| OKLCH | oklch(71.6% 0.075 240.4) |
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 #78AACE | 2.48:1 | Fails | Lc -53.9 | Large or bold text, headings |
| Black text on #78AACE | 8.43:1 | AAA | Lc 55.2 | Large or bold text, headings |
| #78AACE text on white | 2.48:1 | Fails | Lc 48.8 | Large or bold text, headings |
| #78AACE text on black | 8.43:1 | AAA | Lc -53.2 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF2
oklch(93.5% 0.014 241)
-
Step 200
200
#CBDCE9
oklch(88.6% 0.026 240.7)
-
Step 300
300
#A6C5DC
oklch(80.8% 0.047 240.3)
-
Step 400
400 (this color)
#78AACE
oklch(71.6% 0.075 240.4)
-
Step 500
500
#4F91BE
oklch(63.2% 0.096 240.4)
-
Step 600
600
#2F7AAA
oklch(55.5% 0.104 240.6)
-
Step 700
700
#216792
oklch(49.1% 0.097 240.3)
-
Step 800
800
#1E5476
oklch(42.7% 0.08 240.2)
-
Step 900
900
#1F465F
oklch(37.8% 0.062 239.4)
-
Step 950
950
#132938
oklch(27% 0.04 240.2)
#78AACE 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) | #9AA9D0 | 0.041 |
| Deuteranopia (no green cones) | #8FA0CD | 0.036 |
| Tritanopia (no blue cones) | #57B3B6 | 0.060 |
| Achromatopsia (no color) | #A4A4A4 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78AACE
#78AACE
oklch(71.6% 0.075 240.4)
- #C69973
#C69973
oklch(71.6% 0.075 61.4)
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 #78AACE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.039
- Bluegrey #85A3B2 ΔE 0.041
- Bluey Grey #89A0B0 ΔE 0.046
- Cool Steel #97A7B3 ΔE 0.050
- Cool Gray #8D99AE ΔE 0.057
- Cool Grey #95A3A6 ΔE 0.062
- Light Grey Blue #9DBCD4 ΔE 0.070
- Pewter #96A8A1 ΔE 0.070
Use #78AACE 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.