#1B418D#1B418D
#1B418D is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.6% C 0.134 H 262.2°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).
Color values
| HEX | #1B418D |
|---|---|
| RGB | rgb(27, 65, 141) |
| HSL | hsl(220, 68%, 33%) |
| HSV | hsv(220, 81%, 55%) |
| CMYK | cmyk(80.9%, 53.9%, 0%, 44.7%) |
| CIE-LAB | lab(29.25, 16.01, -46.00) |
| CIE-LCH | lch(29.25, 48.71, 289.19°) |
| OKLab | oklab(39.56% -0.0182 -0.1326) |
| OKLCH | oklch(39.56% 0.134 262.2) |
| XYZ | xyz(7.1483, 5.9359, 25.9631) |
| Luminance | 0.0594 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 2.38
Darkish Blue
#014182
ΔE00 3.09
Twilight Blue
#0A437A
ΔE00 4.21
Cobalt
#0047AB
ΔE00 4.26
Prussian Blue
#004577
ΔE00 5.68
Marine Blue
#01386A
ΔE00 5.83
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B418D #8D671B
analogous
#1B7A8D #1B418D #2E1B8D
triadic
#1B418D #8D1B41 #418D1B
tetradic
#1B418D #8D1B7A #8D671B #1B8D2E
square
#1B418D #8D1B7A #8D671B #1B8D2E
split-complementary
#1B418D #8D2E1B #7A8D1B
monochromatic
#071226 #11295A #1B418D #2559C0 #4778DC
Accessibility & contrast
On white
9.60
#1B418D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.19
#1B418D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1B418D
9.60:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B418D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B418D | 1.00 | 9.60 | 2.19 | 9.60 |
| #FFFFFF | 9.60 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.19 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.60 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#094A90
Deuteranopia (green-blind)
#00408B
Tritanopia (blue-blind)
#005460
Achromatopsia (no color)
#454545
Design tokens & code
CSS
--color: #1b418d; /* rgb */ color: rgb(27, 65, 141); /* oklch */ color: oklch(39.6% 0.134 262.2);
Tailwind
colors: {
custom: {
50: '#6b75af',
500: '#1b418d',
950: '#000000',
},
}SCSS
$custom: #1b418d; $custom-light: #6b75af; $custom-dark: #000000;
JSON
{
"hex": "#1b418d",
"rgb": {
"r": 27,
"g": 65,
"b": 141
},
"hsl": {
"h": 220,
"s": 67.857,
"l": 32.941
},
"oklch": {
"l": 0.39559,
"c": 0.1338,
"h": 262.2
},
"luminance": 0.05937
}Semantic roles & 50–950 ramp
primary
#1B418D
secondary
#BD9646
accent
#B13DEB
background
#F6F7FA
surface
#ECEDF4
border
#C7C8CE
text
#080810
muted
#7A7B7F