#1D408D#1D408D
#1D408D is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.4% C 0.135 H 263.2°. Best body text is #FFFFFF at 9.68:1 contrast (WCAG AA passes).
Color values
| HEX | #1D408D |
|---|---|
| RGB | rgb(29, 64, 141) |
| HSL | hsl(221, 66%, 33%) |
| HSV | hsv(221, 79%, 55%) |
| CMYK | cmyk(79.4%, 54.6%, 0%, 44.7%) |
| CIE-LAB | lab(29.03, 16.93, -46.35) |
| CIE-LCH | lch(29.03, 49.35, 290.06°) |
| OKLab | oklab(39.41% -0.0159 -0.1336) |
| OKLCH | oklch(39.41% 0.135 263.2) |
| XYZ | xyz(7.1461, 5.8503, 25.9467) |
| Luminance | 0.0585 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 2.83
Darkish Blue
#014182
ΔE00 3.49
Cobalt
#0047AB
ΔE00 4.45
Twilight Blue
#0A437A
ΔE00 4.62
Marine Blue
#01386A
ΔE00 5.96
Sapphire (survey)
#2138AB
ΔE00 6.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1D408D #8D6A1D
analogous
#1D788D #1D408D #321D8D
triadic
#1D408D #8D1D40 #408D1D
tetradic
#1D408D #8D1D78 #8D6A1D #1D8D32
square
#1D408D #8D1D78 #8D6A1D #1D8D32
split-complementary
#1D408D #8D321D #788D1D
monochromatic
#081227 #13295A #1D408D #2757C0 #4B77DA
Accessibility & contrast
On white
9.68
#1D408D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.17
#1D408D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1D408D
9.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1D408D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1D408D | 1.00 | 9.68 | 2.17 | 9.68 |
| #FFFFFF | 9.68 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.17 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.68 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#044A90
Deuteranopia (green-blind)
#00408B
Tritanopia (blue-blind)
#005360
Achromatopsia (no color)
#444444
Design tokens & code
CSS
--color: #1d408d; /* rgb */ color: rgb(29, 64, 141); /* oklch */ color: oklch(39.4% 0.135 263.2);
Tailwind
colors: {
custom: {
50: '#6b74af',
500: '#1d408d',
950: '#000000',
},
}SCSS
$custom: #1d408d; $custom-light: #6b74af; $custom-dark: #000000;
JSON
{
"hex": "#1d408d",
"rgb": {
"r": 29,
"g": 64,
"b": 141
},
"hsl": {
"h": 221.25,
"s": 65.882,
"l": 33.333
},
"oklch": {
"l": 0.39413,
"c": 0.13453,
"h": 263.2
},
"luminance": 0.05851
}Semantic roles & 50–950 ramp
primary
#1D408D
secondary
#BC984A
accent
#B43FE9
background
#F6F7FA
surface
#ECEDF4
border
#C7C8CE
text
#080810
muted
#7A7B7F