#78A5CC
Closest named color: Greyblue (#77A1B5). oklch(70.4% 0.075 245.3), rgb(120, 165, 204).
Aa
Black text reads best on this color (8.05:1).
About this color
#78A5CC is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.075 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.033 away. Black text reads best on it, at 8.05:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.05:1 |
| White text | 2.60:1 |
Values
| HEX | #78A5CC |
| RGB | rgb(120, 165, 204) |
| HSL | hsl(208, 45%, 64%) |
| OKLCH | oklch(70.4% 0.075 245.3) |
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 #78A5CC | 2.60:1 | Fails | Lc -56.0 | Large or bold text, headings |
| Black text on #78A5CC | 8.05:1 | AAA | Lc 53.2 | Large or bold text, headings |
| #78A5CC text on white | 2.60:1 | Fails | Lc 50.8 | Large or bold text, headings |
| #78A5CC text on black | 8.05:1 | AAA | Lc -51.1 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CCDBEA
oklch(88.5% 0.026 248.1)
-
Step 300
300
#A8C4DE
oklch(80.8% 0.048 246.4)
-
Step 400
400 (this color)
#78A5CC
oklch(70.4% 0.075 245.3)
-
Step 500
500
#558FC0
oklch(63.1% 0.096 245.6)
-
Step 600
600
#3879AC
oklch(55.7% 0.104 245)
-
Step 700
700
#296594
oklch(49% 0.098 245.4)
-
Step 800
800
#245378
oklch(42.8% 0.08 245.1)
-
Step 900
900
#224561
oklch(37.8% 0.063 244.7)
-
Step 950
950
#152839
oklch(26.9% 0.04 246.9)
#78A5CC 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) | #95A5CE | 0.036 |
| Deuteranopia (no green cones) | #8A9CCB | 0.031 |
| Tritanopia (no blue cones) | #59AEB2 | 0.062 |
| Achromatopsia (no color) | #A0A0A0 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78A5CC
#78A5CC
oklch(70.4% 0.075 245.3)
- #C1966D
#C1966D
oklch(70.4% 0.076 64.7)
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 #78A5CC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.033
- Bluegrey #85A3B2 ΔE 0.039
- Bluey Grey #89A0B0 ΔE 0.042
- Cool Gray #8D99AE ΔE 0.050
- Cool Steel #97A7B3 ΔE 0.053
- Cool Grey #95A3A6 ΔE 0.062
- Cadet Blue #5F9EA0 ΔE 0.073
- Silver Lake Blue #778DA9 ΔE 0.073
Use #78A5CC 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.