#778DDB
Closest named color: Cornflower Blue (#6495ED). oklch(65.9% 0.119 270.9), rgb(119, 141, 219).
Aa
Black text reads best on this color (6.61:1).
About this color
#778DDB is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.119 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.035 away. Black text reads best on it, at 6.61:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.61:1 |
| White text | 3.17:1 |
Values
| HEX | #778DDB |
| RGB | rgb(119, 141, 219) |
| HSL | hsl(227, 58%, 66%) |
| OKLCH | oklch(65.9% 0.119 270.9) |
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 #778DDB | 3.17:1 | AA large text | Lc -64.2 | Content text, not long reading |
| Black text on #778DDB | 6.61:1 | AA | Lc 45.3 | Large or bold text, headings |
| #778DDB text on white | 3.17:1 | AA large text | Lc 58.8 | Large or bold text, headings |
| #778DDB text on black | 6.61:1 | AA | Lc -43.0 | 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 500.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#D1D9EF
oklch(88.6% 0.031 269.8)
-
Step 300
300
#B2BFE7
oklch(80.8% 0.058 270.9)
-
Step 400
400
#8B9EDB
oklch(70.8% 0.092 270.6)
-
Step 500
500 (this color)
#778DDB
oklch(65.9% 0.119 270.9)
-
Step 600
600
#586DBF
oklch(55.7% 0.129 270.9)
-
Step 700
700
#485AA4
oklch(49% 0.12 271.1)
-
Step 800
800
#3B4A85
oklch(42.7% 0.099 270.9)
-
Step 900
900
#323E6B
oklch(37.6% 0.079 270.9)
-
Step 950
950
#1D253F
oklch(27.1% 0.05 269.9)
#778DDB 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) | #7095DE | 0.021 |
| Deuteranopia (no green cones) | #678DD9 | 0.020 |
| Tritanopia (no blue cones) | #529DAA | 0.106 |
| Achromatopsia (no color) | #909090 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #778DDB
#778DDB
oklch(65.9% 0.119 270.9)
- #AD8E2B
#AD8E2B
oklch(65.8% 0.119 90.8)
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 #778DDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.035
- Soft Blue #6488EA ΔE 0.037
- Perrywinkle #8F8CE7 ΔE 0.038
- Dark Sky Blue #448EE4 ΔE 0.053
- Chefchaouen Blue #4895EF ΔE 0.053
- Lavender Blue #8B88F8 ΔE 0.055
- Faded Blue #658CBB ΔE 0.055
- Periwinkle Blue #8F99FB ΔE 0.064
Use #778DDB 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.