#1C3EA7#1C3EA7
#1C3EA7 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.2% C 0.173 H 265.3°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).
Color values
| HEX | #1C3EA7 |
|---|---|
| RGB | rgb(28, 62, 167) |
| HSL | hsl(225, 71%, 38%) |
| HSV | hsv(225, 83%, 65%) |
| CMYK | cmyk(83.2%, 62.9%, 0%, 34.5%) |
| CIE-LAB | lab(30.59, 28.52, -59.63) |
| CIE-LCH | lch(30.59, 66.10, 295.56°) |
| OKLab | oklab(41.25% -0.0141 -0.1726) |
| OKLCH | oklch(41.25% 0.173 265.3) |
| XYZ | xyz(9.1741, 6.4810, 37.3192) |
| Luminance | 0.0648 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.31
Cobalt
#0047AB
ΔE00 3.71
Blue Blue
#2242C7
ΔE00 4.59
Cobalt (survey)
#1E488F
ΔE00 5.64
Blueberry
#464196
ΔE00 5.91
Ocean Blue
#4F42B5
ΔE00 6.77
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C3EA7 #A7851C
analogous
#1C83A7 #1C3EA7 #401CA7
triadic
#1C3EA7 #A71C3E #3EA71C
tetradic
#1C3EA7 #A71C83 #A7851C #1CA740
square
#1C3EA7 #A71C83 #A7851C #1CA740
split-complementary
#1C3EA7 #A7401C #83A71C
monochromatic
#0A173E #132B73 #1C3EA7 #2652DB #5A7CE3
Accessibility & contrast
On white
9.14
#1C3EA7 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.30
#1C3EA7 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C3EA7
9.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C3EA7 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C3EA7 | 1.00 | 9.14 | 2.30 | 9.14 |
| #FFFFFF | 9.14 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.30 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.14 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004FAA
Deuteranopia (green-blind)
#0042A5
Tritanopia (blue-blind)
#00596C
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #1c3ea7; /* rgb */ color: rgb(28, 62, 167); /* oklch */ color: oklch(41.2% 0.173 265.3);
Tailwind
colors: {
custom: {
50: '#7272c2',
500: '#1c3ea7',
950: '#000000',
},
}SCSS
$custom: #1c3ea7; $custom-light: #7272c2; $custom-dark: #000000;
JSON
{
"hex": "#1c3ea7",
"rgb": {
"r": 28,
"g": 62,
"b": 167
},
"hsl": {
"h": 225.324,
"s": 71.282,
"l": 38.235
},
"oklch": {
"l": 0.41247,
"c": 0.17317,
"h": 265.3
},
"luminance": 0.06482
}Semantic roles & 50–950 ramp
primary
#1C3EA7
secondary
#C7AC58
accent
#C23AEE
background
#F7F6FC
surface
#EEECF8
border
#C9C7D1
text
#090812
muted
#7B7B81