#78A3CB
Closest named color: Greyblue (#77A1B5). oklch(69.9% 0.075 247.1), rgb(120, 163, 203).
Aa
Black text reads best on this color (7.89:1).
About this color
#78A3CB is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.075 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.032 away. Black text reads best on it, at 7.89:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.89:1 |
| White text | 2.65:1 |
Values
| HEX | #78A3CB |
| RGB | rgb(120, 163, 203) |
| HSL | hsl(209, 44%, 63%) |
| OKLCH | oklch(69.9% 0.075 247.1) |
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 #78A3CB | 2.65:1 | Fails | Lc -56.8 | Large or bold text, headings |
| Black text on #78A3CB | 7.89:1 | AAA | Lc 52.4 | Large or bold text, headings |
| #78A3CB text on white | 2.65:1 | Fails | Lc 51.7 | Large or bold text, headings |
| #78A3CB text on black | 7.89:1 | AAA | Lc -50.2 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CCDBEA
oklch(88.5% 0.026 248.1)
-
Step 300
300
#A9C4DE
oklch(80.9% 0.047 247.4)
-
Step 400
400 (this color)
#78A3CB
oklch(69.9% 0.075 247.1)
-
Step 500
500
#578FC1
oklch(63.2% 0.096 246.9)
-
Step 600
600
#3B78AD
oklch(55.6% 0.104 247.2)
-
Step 700
700
#2C6595
oklch(49.2% 0.098 246.9)
-
Step 800
800
#265279
oklch(42.7% 0.081 247.7)
-
Step 900
900
#244461
oklch(37.6% 0.063 247.6)
-
Step 950
950
#162839
oklch(27% 0.04 248.2)
#78A3CB 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) | #93A3CD | 0.034 |
| Deuteranopia (no green cones) | #889BCA | 0.027 |
| Tritanopia (no blue cones) | #59ACB0 | 0.063 |
| Achromatopsia (no color) | #9F9F9F | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78A3CB
#78A3CB
oklch(69.9% 0.075 247.1)
- #BE956B
#BE956B
oklch(69.8% 0.075 66.7)
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 #78A3CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.032
- Bluegrey #85A3B2 ΔE 0.039
- Bluey Grey #89A0B0 ΔE 0.041
- Cool Gray #8D99AE ΔE 0.047
- Cool Steel #97A7B3 ΔE 0.054
- Cool Grey #95A3A6 ΔE 0.063
- Silver Lake Blue #778DA9 ΔE 0.069
- Faded Blue #658CBB ΔE 0.070
Use #78A3CB 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.