#78ACCF
Closest named color: Greyblue (#77A1B5). oklch(72.1% 0.075 238.6), rgb(120, 172, 207).
Aa
Black text reads best on this color (8.60:1).
About this color
#78ACCF is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.075 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.042 away. Black text reads best on it, at 8.60:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.60:1 |
| White text | 2.44:1 |
Values
| HEX | #78ACCF |
| RGB | rgb(120, 172, 207) |
| HSL | hsl(204, 48%, 64%) |
| OKLCH | oklch(72.1% 0.075 238.6) |
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 #78ACCF | 2.44:1 | Fails | Lc -53.0 | Large or bold text, headings |
| Black text on #78ACCF | 8.60:1 | AAA | Lc 56.0 | Large or bold text, headings |
| #78ACCF text on white | 2.44:1 | Fails | Lc 48.0 | Large or bold text, headings |
| #78ACCF text on black | 8.60:1 | AAA | Lc -54.0 | 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
#CADCE9
oklch(88.5% 0.026 239.1)
-
Step 300
300
#A5C6DC
oklch(81% 0.047 237.4)
-
Step 400
400 (this color)
#78ACCF
oklch(72.1% 0.075 238.6)
-
Step 500
500
#4D91BD
oklch(63% 0.096 239.1)
-
Step 600
600
#2C7BA9
oklch(55.6% 0.104 238.5)
-
Step 700
700
#1D6791
oklch(49% 0.097 238.8)
-
Step 800
800
#1B5476
oklch(42.6% 0.081 239.3)
-
Step 900
900
#1D465F
oklch(37.7% 0.063 238.4)
-
Step 950
950
#122938
oklch(27% 0.04 239.2)
#78ACCF 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) | #9DABD1 | 0.045 |
| Deuteranopia (no green cones) | #91A2CE | 0.038 |
| Tritanopia (no blue cones) | #56B5B7 | 0.060 |
| Achromatopsia (no color) | #A6A6A6 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78ACCF
#78ACCF
oklch(72.1% 0.075 238.6)
- #C99A76
#C99A76
oklch(72.2% 0.075 58.7)
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 #78ACCF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.042
- Bluegrey #85A3B2 ΔE 0.043
- Bluey Grey #89A0B0 ΔE 0.049
- Cool Steel #97A7B3 ΔE 0.050
- Cool Gray #8D99AE ΔE 0.061
- Cool Grey #95A3A6 ΔE 0.063
- Light Grey Blue #9DBCD4 ΔE 0.065
- Pewter #96A8A1 ΔE 0.070
Use #78ACCF 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.