#1C447E#1C447E
#1C447E is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.1% C 0.108 H 258.0°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).
Color values
| HEX | #1C447E |
|---|---|
| RGB | rgb(28, 68, 126) |
| HSL | hsl(216, 64%, 30%) |
| HSV | hsv(216, 78%, 49%) |
| CMYK | cmyk(77.8%, 46%, 0%, 50.6%) |
| CIE-LAB | lab(29.13, 7.96, -36.90) |
| CIE-LCH | lch(29.13, 37.75, 282.17°) |
| OKLab | oklab(39.13% -0.0224 -0.1057) |
| OKLCH | oklch(39.13% 0.108 258) |
| XYZ | xyz(6.3105, 5.8868, 20.5383) |
| Luminance | 0.0589 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Darkish Blue
#014182
ΔE00 1.77
Twilight Blue
#0A437A
ΔE00 1.96
Cobalt (survey)
#1E488F
ΔE00 2.50
Prussian Blue
#004577
ΔE00 3.51
Marine Blue
#01386A
ΔE00 4.48
Light Navy
#155084
ΔE00 4.92
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C447E #7E561C
analogous
#1C757E #1C447E #251C7E
triadic
#1C447E #7E1C44 #447E1C
tetradic
#1C447E #7E1C75 #7E561C #1C7E25
square
#1C447E #7E1C75 #7E561C #1C7E25
split-complementary
#1C447E #7E251C #757E1C
monochromatic
#060E1A #11294C #1C447E #275FB0 #407DD5
Accessibility & contrast
On white
9.64
#1C447E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.18
#1C447E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C447E
9.64:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C447E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C447E | 1.00 | 9.64 | 2.18 | 9.64 |
| #FFFFFF | 9.64 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.18 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.64 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#274980
Deuteranopia (green-blind)
#13407D
Tritanopia (blue-blind)
#00525A
Achromatopsia (no color)
#454545
Design tokens & code
CSS
--color: #1c447e; /* rgb */ color: rgb(28, 68, 126); /* oklch */ color: oklch(39.1% 0.108 258.0);
Tailwind
colors: {
custom: {
50: '#6777a4',
500: '#1c447e',
950: '#000000',
},
}SCSS
$custom: #1c447e; $custom-light: #6777a4; $custom-dark: #000000;
JSON
{
"hex": "#1c447e",
"rgb": {
"r": 28,
"g": 68,
"b": 126
},
"hsl": {
"h": 215.51,
"s": 63.636,
"l": 30.196
},
"oklch": {
"l": 0.39134,
"c": 0.10804,
"h": 258
},
"luminance": 0.05887
}Semantic roles & 50–950 ramp
primary
#1C447E
secondary
#B28544
accent
#A341E7
background
#F6F7FA
surface
#EBEDF4
border
#C6C8CE
text
#07080F
muted
#7A7B7F