#1C408D#1C408D
#1C408D is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.4% C 0.135 H 262.9°. Best body text is #FFFFFF at 9.69:1 contrast (WCAG AA passes).
Color values
| HEX | #1C408D |
|---|---|
| RGB | rgb(28, 64, 141) |
| HSL | hsl(221, 67%, 33%) |
| HSV | hsv(221, 80%, 55%) |
| CMYK | cmyk(80.1%, 54.6%, 0%, 44.7%) |
| CIE-LAB | lab(28.99, 16.82, -46.42) |
| CIE-LCH | lch(28.99, 49.37, 289.91°) |
| OKLab | oklab(39.38% -0.0167 -0.1338) |
| OKLCH | oklch(39.38% 0.135 262.9) |
| XYZ | xyz(7.1183, 5.8359, 25.9454) |
| Luminance | 0.0584 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 2.79
Darkish Blue
#014182
ΔE00 3.40
Cobalt
#0047AB
ΔE00 4.42
Twilight Blue
#0A437A
ΔE00 4.53
Marine Blue
#01386A
ΔE00 5.89
Prussian Blue
#004577
ΔE00 6.01
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C408D #8D691C
analogous
#1C788D #1C408D #301C8D
triadic
#1C408D #8D1C40 #408D1C
tetradic
#1C408D #8D1C78 #8D691C #1C8D30
square
#1C408D #8D1C78 #8D691C #1C8D30
split-complementary
#1C408D #8D301C #788D1C
monochromatic
#081227 #12295A #1C408D #2657C0 #4977DB
Accessibility & contrast
On white
9.69
#1C408D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.17
#1C408D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C408D
9.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C408D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C408D | 1.00 | 9.69 | 2.17 | 9.69 |
| #FFFFFF | 9.69 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.17 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.69 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#044A90
Deuteranopia (green-blind)
#003F8B
Tritanopia (blue-blind)
#005360
Achromatopsia (no color)
#444444
Design tokens & code
CSS
--color: #1c408d; /* rgb */ color: rgb(28, 64, 141); /* oklch */ color: oklch(39.4% 0.135 262.9);
Tailwind
colors: {
custom: {
50: '#6b74af',
500: '#1c408d',
950: '#000000',
},
}SCSS
$custom: #1c408d; $custom-light: #6b74af; $custom-dark: #000000;
JSON
{
"hex": "#1c408d",
"rgb": {
"r": 28,
"g": 64,
"b": 141
},
"hsl": {
"h": 220.885,
"s": 66.864,
"l": 33.137
},
"oklch": {
"l": 0.39375,
"c": 0.13482,
"h": 262.9
},
"luminance": 0.05837
}Semantic roles & 50–950 ramp
primary
#1C408D
secondary
#BD9848
accent
#B33EEA
background
#F6F7FA
surface
#ECEDF4
border
#C7C8CE
text
#080810
muted
#7A7B7F