#1C3F93#1C3F93
#1C3F93 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.7% C 0.145 H 263.9°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).
Color values
| HEX | #1C3F93 |
|---|---|
| RGB | rgb(28, 63, 147) |
| HSL | hsl(222, 68%, 34%) |
| HSV | hsv(222, 81%, 58%) |
| CMYK | cmyk(81%, 57.1%, 0%, 42.4%) |
| CIE-LAB | lab(29.18, 19.93, -49.81) |
| CIE-LCH | lch(29.18, 53.64, 291.80°) |
| OKLab | oklab(39.66% -0.0154 -0.1438) |
| OKLCH | oklch(39.66% 0.145 263.9) |
| XYZ | xyz(7.5210, 5.9076, 28.3420) |
| Luminance | 0.0591 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 3.45
Cobalt
#0047AB
ΔE00 4.04
Darkish Blue
#014182
ΔE00 4.32
Sapphire (survey)
#2138AB
ΔE00 4.99
Twilight Blue
#0A437A
ΔE00 5.47
Blueberry
#464196
ΔE00 6.33
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C3F93 #93701C
analogous
#1C7B93 #1C3F93 #351C93
triadic
#1C3F93 #931C3F #3F931C
tetradic
#1C3F93 #931C7B #93701C #1C9335
square
#1C3F93 #931C7B #93701C #1C9335
split-complementary
#1C3F93 #93351C #7B931C
monochromatic
#08132C #122960 #1C3F93 #2655C6 #4C77DD
Accessibility & contrast
On white
9.63
#1C3F93 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.18
#1C3F93 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C3F93
9.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C3F93 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C3F93 | 1.00 | 9.63 | 2.18 | 9.63 |
| #FFFFFF | 9.63 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.18 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.63 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004A96
Deuteranopia (green-blind)
#004091
Tritanopia (blue-blind)
#005462
Achromatopsia (no color)
#454545
Design tokens & code
CSS
--color: #1c3f93; /* rgb */ color: rgb(28, 63, 147); /* oklch */ color: oklch(39.7% 0.145 263.9);
Tailwind
colors: {
custom: {
50: '#6d73b3',
500: '#1c3f93',
950: '#000000',
},
}SCSS
$custom: #1c3f93; $custom-light: #6d73b3; $custom-dark: #000000;
JSON
{
"hex": "#1c3f93",
"rgb": {
"r": 28,
"g": 63,
"b": 147
},
"hsl": {
"h": 222.353,
"s": 68,
"l": 34.314
},
"oklch": {
"l": 0.39662,
"c": 0.14458,
"h": 263.9
},
"luminance": 0.05908
}Semantic roles & 50–950 ramp
primary
#1C3F93
secondary
#BF9D4C
accent
#B83DEB
background
#F7F6FB
surface
#EDECF6
border
#C8C7D0
text
#080811
muted
#7B7B80