#778EF3
Closest named color: Cornflower Blue (#6495ED). oklch(67.5% 0.151 272.1), rgb(119, 142, 243).
Aa
Black text reads best on this color (6.94:1).
About this color
#778EF3 is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.151 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.029 away. Black text reads best on it, at 6.94:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.151) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.94:1 |
| White text | 3.02:1 |
Values
| HEX | #778EF3 |
| RGB | rgb(119, 142, 243) |
| HSL | hsl(229, 84%, 71%) |
| OKLCH | oklch(67.5% 0.151 272.1) |
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 #778EF3 | 3.02:1 | AA large text | Lc -62.2 | Content text, not long reading |
| Black text on #778EF3 | 6.94:1 | AA | Lc 47.2 | Large or bold text, headings |
| #778EF3 text on white | 3.02:1 | AA large text | Lc 56.8 | Large or bold text, headings |
| #778EF3 text on black | 6.94:1 | AA | Lc -45.0 | Non-text elements, placeholder text |
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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3E9FD
oklch(93.5% 0.028 272.5)
-
Step 200
200
#CDD8FD
oklch(88.6% 0.052 272.2)
-
Step 300
300
#ABBDFE
oklch(80.8% 0.094 272.2)
-
Step 400
400 (this color)
#778EF3
oklch(67.5% 0.151 272.1)
-
Step 500
500
#637BFC
oklch(63.1% 0.193 271.9)
-
Step 600
600
#4D5FEB
oklch(55.5% 0.21 272)
-
Step 700
700
#3F4DCD
oklch(49% 0.196 272.1)
-
Step 800
800
#3440A6
oklch(42.7% 0.163 272.3)
-
Step 900
900
#2C3883
oklch(37.6% 0.126 272.1)
-
Step 950
950
#1A224D
oklch(27.1% 0.079 272.1)
#778EF3 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) | #659AF7 | 0.034 |
| Deuteranopia (no green cones) | #578FF1 | 0.035 |
| Tritanopia (no blue cones) | #40A4B5 | 0.135 |
| Achromatopsia (no color) | #949494 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #778EF3
#778EF3
oklch(67.5% 0.151 272.1)
- #B59300
#B59300
oklch(67.5% 0.138 92.3)
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 #778EF3, closest first.
No curated palette has a color within ΔE 0.04 of #778EF3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.029
- Lavender Blue #8B88F8 ΔE 0.030
- Soft Blue #6488EA ΔE 0.032
- Perrywinkle #8F8CE7 ΔE 0.035
- Periwinkle Blue #8F99FB ΔE 0.045
- Periwinkle #8E82FE ΔE 0.045
- Chefchaouen Blue #4895EF ΔE 0.049
- Dark Sky Blue #448EE4 ΔE 0.058
Use #778EF3 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.