#1C418C#1C418C
#1C418C is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.5% C 0.132 H 262.4°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).
Color values
| HEX | #1C418C |
|---|---|
| RGB | rgb(28, 65, 140) |
| HSL | hsl(220, 67%, 33%) |
| HSV | hsv(220, 80%, 55%) |
| CMYK | cmyk(80%, 53.6%, 0%, 45.1%) |
| CIE-LAB | lab(29.21, 15.72, -45.45) |
| CIE-LCH | lch(29.21, 48.09, 289.08°) |
| OKLab | oklab(39.52% -0.0176 -0.1309) |
| OKLCH | oklch(39.52% 0.132 262.4) |
| XYZ | xyz(7.1011, 5.9201, 25.5743) |
| Luminance | 0.0592 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 2.40
Darkish Blue
#014182
ΔE00 3.07
Twilight Blue
#0A437A
ΔE00 4.18
Cobalt
#0047AB
ΔE00 4.39
Prussian Blue
#004577
ΔE00 5.67
Marine Blue
#01386A
ΔE00 5.76
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C418C #8C671C
analogous
#1C798C #1C418C #2F1C8C
triadic
#1C418C #8C1C41 #418C1C
tetradic
#1C418C #8C1C79 #8C671C #1C8C2F
square
#1C418C #8C1C79 #8C671C #1C8C2F
split-complementary
#1C418C #8C2F1C #798C1C
monochromatic
#081226 #122959 #1C418C #2659BF #4878DA
Accessibility & contrast
On white
9.61
#1C418C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.18
#1C418C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C418C
9.61:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C418C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C418C | 1.00 | 9.61 | 2.18 | 9.61 |
| #FFFFFF | 9.61 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.18 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.61 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0C4A8F
Deuteranopia (green-blind)
#00408B
Tritanopia (blue-blind)
#005360
Achromatopsia (no color)
#454545
Design tokens & code
CSS
--color: #1c418c; /* rgb */ color: rgb(28, 65, 140); /* oklch */ color: oklch(39.5% 0.132 262.4);
Tailwind
colors: {
custom: {
50: '#6b75ae',
500: '#1c418c',
950: '#000000',
},
}SCSS
$custom: #1c418c; $custom-light: #6b75ae; $custom-dark: #000000;
JSON
{
"hex": "#1c418c",
"rgb": {
"r": 28,
"g": 65,
"b": 140
},
"hsl": {
"h": 220.179,
"s": 66.667,
"l": 32.941
},
"oklch": {
"l": 0.39515,
"c": 0.13209,
"h": 262.4
},
"luminance": 0.05921
}Semantic roles & 50–950 ramp
primary
#1C418C
secondary
#BC9648
accent
#B13EEA
background
#F6F7FA
surface
#ECEDF4
border
#C7C8CE
text
#080810
muted
#7A7B7F