#78A7C8
Closest named color: Greyblue (#77A1B5). oklch(70.7% 0.07 239.6), rgb(120, 167, 200).
Aa
Black text reads best on this color (8.16:1).
About this color
#78A7C8 is a medium-light, muted blue. In OKLCH its lightness is 71%, its chroma 0.070 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.029 away. Black text reads best on it, at 8.16:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.16:1 |
| White text | 2.57:1 |
Values
| HEX | #78A7C8 |
| RGB | rgb(120, 167, 200) |
| HSL | hsl(205, 42%, 63%) |
| OKLCH | oklch(70.7% 0.07 239.6) |
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 #78A7C8 | 2.57:1 | Fails | Lc -55.4 | Large or bold text, headings |
| Black text on #78A7C8 | 8.16:1 | AAA | Lc 53.7 | Large or bold text, headings |
| #78A7C8 text on white | 2.57:1 | Fails | Lc 50.3 | Large or bold text, headings |
| #78A7C8 text on black | 8.16:1 | AAA | Lc -51.7 | 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
#E3EBF2
oklch(93.6% 0.013 244.3)
-
Step 200
200
#CBDCE8
oklch(88.5% 0.025 238.4)
-
Step 300
300
#A8C5DA
oklch(80.9% 0.043 239.6)
-
Step 400
400 (this color)
#78A7C8
oklch(70.7% 0.07 239.6)
-
Step 500
500
#5391BA
oklch(63.2% 0.089 239.3)
-
Step 600
600
#357AA6
oklch(55.5% 0.097 239.8)
-
Step 700
700
#27678E
oklch(49.1% 0.09 239.2)
-
Step 800
800
#225474
oklch(42.7% 0.075 240)
-
Step 900
900
#21465D
oklch(37.8% 0.058 238.2)
-
Step 950
950
#142937
oklch(27% 0.038 239.4)
#78A7C8 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) | #99A6CA | 0.041 |
| Deuteranopia (no green cones) | #8E9EC7 | 0.034 |
| Tritanopia (no blue cones) | #5AAFB2 | 0.055 |
| Achromatopsia (no color) | #A1A1A1 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78A7C8
#78A7C8
oklch(70.7% 0.07 239.6)
- #C29775
#C29775
oklch(70.8% 0.07 59.7)
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 #78A7C8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.029
- Bluegrey #85A3B2 ΔE 0.033
- Bluey Grey #89A0B0 ΔE 0.037
- Cool Steel #97A7B3 ΔE 0.047
- Cool Gray #8D99AE ΔE 0.048
- Cool Grey #95A3A6 ΔE 0.056
- Pewter #96A8A1 ΔE 0.066
- Cadet Blue #5F9EA0 ΔE 0.069
Use #78A7C8 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.