#78AFDA
Closest named color: Greyblue (#77A1B5). oklch(73.2% 0.085 242.8), rgb(120, 175, 218).
Aa
Black text reads best on this color (8.94:1).
About this color
#78AFDA is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.085 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.058 away. Black text reads best on it, at 8.94:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.94:1 |
| White text | 2.34:1 |
Values
| HEX | #78AFDA |
| RGB | rgb(120, 175, 218) |
| HSL | hsl(206, 57%, 66%) |
| OKLCH | oklch(73.2% 0.085 242.8) |
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 #78AFDA | 2.34:1 | Fails | Lc -51.1 | Large or bold text, headings |
| Black text on #78AFDA | 8.94:1 | AAA | Lc 57.8 | Large or bold text, headings |
| #78AFDA text on white | 2.34:1 | Fails | Lc 46.2 | Large or bold text, headings |
| #78AFDA text on black | 8.94:1 | AAA | Lc -55.9 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF4
oklch(93.5% 0.016 245.1)
-
Step 200
200
#C9DCEC
oklch(88.5% 0.03 243.4)
-
Step 300
300
#A4C5E1
oklch(80.9% 0.053 244.1)
-
Step 400
400 (this color)
#78AFDA
oklch(73.2% 0.085 242.8)
-
Step 500
500
#4790C6
oklch(63% 0.109 243.2)
-
Step 600
600
#247AB3
oklch(55.7% 0.119 242.9)
-
Step 700
700
#14669A
oklch(49.1% 0.111 243.2)
-
Step 800
800
#15547D
oklch(42.8% 0.091 242.6)
-
Step 900
900
#1A4564
oklch(37.6% 0.071 243.3)
-
Step 950
950
#11293B
oklch(27.1% 0.045 243.2)
#78AFDA 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) | #9DAFDC | 0.044 |
| Deuteranopia (no green cones) | #90A5D9 | 0.036 |
| Tritanopia (no blue cones) | #4FB9BD | 0.070 |
| Achromatopsia (no color) | #A9A9A9 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78AFDA
#78AFDA
oklch(73.2% 0.085 242.8)
- #CF9D6F
#CF9D6F
oklch(73.2% 0.086 63.5)
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 #78AFDA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.058
- Bluegrey #85A3B2 ΔE 0.058
- Carolina Blue #8AB8FE ΔE 0.059
- Light Grey Blue #9DBCD4 ΔE 0.061
- Cool Steel #97A7B3 ΔE 0.061
- Bluey Grey #89A0B0 ΔE 0.064
- Light Cornflower Blue #98C1D9 ΔE 0.066
- Lightblue #7BC8F6 ΔE 0.071
Use #78AFDA 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.