#1C479F#1C479F
#1C479F is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.4% C 0.151 H 262.4°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).
Color values
| HEX | #1C479F |
|---|---|
| RGB | rgb(28, 71, 159) |
| HSL | hsl(220, 70%, 37%) |
| HSV | hsv(220, 82%, 62%) |
| CMYK | cmyk(82.4%, 55.3%, 0%, 37.6%) |
| CIE-LAB | lab(32.38, 19.25, -51.90) |
| CIE-LCH | lch(32.38, 55.35, 290.35°) |
| OKLab | oklab(42.38% -0.02 -0.1498) |
| OKLCH | oklch(42.38% 0.151 262.4) |
| XYZ | xyz(8.9879, 7.2555, 33.7209) |
| Luminance | 0.0726 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 1.72
Cobalt (survey)
#1E488F
ΔE00 2.44
Sapphire
#0F52BA
ΔE00 4.74
Darkish Blue
#014182
ΔE00 4.89
Dusk Blue
#26538D
ΔE00 5.14
Twilight Blue
#0A437A
ΔE00 5.77
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C479F #9F741C
analogous
#1C899F #1C479F #331C9F
triadic
#1C479F #9F1C47 #479F1C
tetradic
#1C479F #9F1C89 #9F741C #1C9F33
square
#1C479F #9F1C89 #9F741C #1C9F33
split-complementary
#1C479F #9F331C #899F1C
monochromatic
#0A1937 #13306B #1C479F #255ED3 #5483E1
Accessibility & contrast
On white
8.57
#1C479F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.45
#1C479F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C479F
8.57:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C479F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C479F | 1.00 | 8.57 | 2.45 | 8.57 |
| #FFFFFF | 8.57 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.45 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.57 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0052A2
Deuteranopia (green-blind)
#00469D
Tritanopia (blue-blind)
#005D6C
Achromatopsia (no color)
#4C4C4C
Design tokens & code
CSS
--color: #1c479f; /* rgb */ color: rgb(28, 71, 159); /* oklch */ color: oklch(42.4% 0.151 262.4);
Tailwind
colors: {
custom: {
50: '#6f79bc',
500: '#1c479f',
950: '#000000',
},
}SCSS
$custom: #1c479f; $custom-light: #6f79bc; $custom-dark: #000000;
JSON
{
"hex": "#1c479f",
"rgb": {
"r": 28,
"g": 71,
"b": 159
},
"hsl": {
"h": 220.305,
"s": 70.053,
"l": 36.667
},
"oklch": {
"l": 0.4238,
"c": 0.1511,
"h": 262.4
},
"luminance": 0.07257
}Semantic roles & 50–950 ramp
primary
#1C479F
secondary
#C49F53
accent
#B23BED
background
#F7F7FB
surface
#EDEDF6
border
#C8C8D0
text
#090912
muted
#7B7B81