#78A3DA
Closest named color: Greyblue (#77A1B5). oklch(70.6% 0.094 254.9), rgb(120, 163, 218).
Aa
Black text reads best on this color (8.04:1).
About this color
#78A3DA is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.094 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.055 away. Black text reads best on it, at 8.04:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.04:1 |
| White text | 2.60:1 |
Values
| HEX | #78A3DA |
| RGB | rgb(120, 163, 218) |
| HSL | hsl(214, 57%, 66%) |
| OKLCH | oklch(70.6% 0.094 254.9) |
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 #78A3DA | 2.60:1 | Fails | Lc -56.0 | Large or bold text, headings |
| Black text on #78A3DA | 8.04:1 | AAA | Lc 53.2 | Large or bold text, headings |
| #78A3DA text on white | 2.60:1 | Fails | Lc 50.8 | Large or bold text, headings |
| #78A3DA text on black | 8.04:1 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#CBDBEF
oklch(88.6% 0.033 254)
-
Step 300
300
#A8C3E7
oklch(80.9% 0.059 255.7)
-
Step 400
400 (this color)
#78A3DA
oklch(70.6% 0.094 254.9)
-
Step 500
500
#558BD0
oklch(63% 0.12 255.2)
-
Step 600
600
#3874BD
oklch(55.5% 0.13 254.8)
-
Step 700
700
#2B61A3
oklch(49% 0.121 255.1)
-
Step 800
800
#255084
oklch(42.8% 0.099 254.7)
-
Step 900
900
#23426A
oklch(37.6% 0.078 255.6)
-
Step 950
950
#15273E
oklch(27% 0.049 255.2)
#78A3DA 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) | #8EA6DC | 0.029 |
| Deuteranopia (no green cones) | #829CD9 | 0.021 |
| Tritanopia (no blue cones) | #51AFB6 | 0.082 |
| Achromatopsia (no color) | #A0A0A0 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78A3DA
#78A3DA
oklch(70.6% 0.094 254.9)
- #C3985B
#C3985B
oklch(70.7% 0.094 74.9)
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 #78A3DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.055
- Cornflower Blue #6495ED ΔE 0.058
- Bluegrey #85A3B2 ΔE 0.061
- Bluey Grey #89A0B0 ΔE 0.062
- Cool Gray #8D99AE ΔE 0.065
- Periwinkle Blue #8F99FB ΔE 0.068
- Cool Steel #97A7B3 ΔE 0.071
- Perrywinkle #8F8CE7 ΔE 0.072
Use #78A3DA 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.