#1C3E98#1C3E98
#1C3E98 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.9% C 0.153 H 264.6°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).
Color values
| HEX | #1C3E98 |
|---|---|
| RGB | rgb(28, 62, 152) |
| HSL | hsl(224, 69%, 35%) |
| HSV | hsv(224, 82%, 60%) |
| CMYK | cmyk(81.6%, 59.2%, 0%, 40.4%) |
| CIE-LAB | lab(29.31, 22.61, -52.65) |
| CIE-LCH | lch(29.31, 57.30, 293.24°) |
| OKLab | oklab(39.89% -0.0144 -0.1521) |
| OKLCH | oklch(39.89% 0.153 264.6) |
| XYZ | xyz(7.8670, 5.9582, 30.4351) |
| Luminance | 0.0596 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 3.93
Sapphire (survey)
#2138AB
ΔE00 4.04
Cobalt (survey)
#1E488F
ΔE00 4.17
Darkish Blue
#014182
ΔE00 5.14
Blueberry
#464196
ΔE00 5.98
Twilight Blue
#0A437A
ΔE00 6.29
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C3E98 #98761C
analogous
#1C7C98 #1C3E98 #381C98
triadic
#1C3E98 #981C3E #3E981C
tetradic
#1C3E98 #981C7C #98761C #1C9838
square
#1C3E98 #981C7C #98761C #1C9838
split-complementary
#1C3E98 #98381C #7C981C
monochromatic
#091431 #122964 #1C3E98 #2653CC #5077DF
Accessibility & contrast
On white
9.58
#1C3E98 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.19
#1C3E98 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C3E98
9.58:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C3E98 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C3E98 | 1.00 | 9.58 | 2.19 | 9.58 |
| #FFFFFF | 9.58 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.19 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.58 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004B9B
Deuteranopia (green-blind)
#004096
Tritanopia (blue-blind)
#005564
Achromatopsia (no color)
#454545
Design tokens & code
CSS
--color: #1c3e98; /* rgb */ color: rgb(28, 62, 152); /* oklch */ color: oklch(39.9% 0.153 264.6);
Tailwind
colors: {
custom: {
50: '#6e72b7',
500: '#1c3e98',
950: '#000000',
},
}SCSS
$custom: #1c3e98; $custom-light: #6e72b7; $custom-dark: #000000;
JSON
{
"hex": "#1c3e98",
"rgb": {
"r": 28,
"g": 62,
"b": 152
},
"hsl": {
"h": 223.548,
"s": 68.889,
"l": 35.294
},
"oklch": {
"l": 0.39886,
"c": 0.15283,
"h": 264.6
},
"luminance": 0.05959
}Semantic roles & 50–950 ramp
primary
#1C3E98
secondary
#C1A24E
accent
#BC3CEC
background
#F7F6FB
surface
#EDECF6
border
#C8C7D0
text
#080811
muted
#7B7B80