#1B468B#1B468B
#1B468B is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.5% C 0.125 H 259.6°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).
Color values
| HEX | #1B468B |
|---|---|
| RGB | rgb(27, 70, 139) |
| HSL | hsl(217, 67%, 33%) |
| HSV | hsv(217, 81%, 55%) |
| CMYK | cmyk(80.6%, 49.6%, 0%, 45.5%) |
| CIE-LAB | lab(30.58, 11.75, -42.62) |
| CIE-LCH | lch(30.58, 44.21, 285.41°) |
| OKLab | oklab(40.53% -0.0225 -0.1225) |
| OKLCH | oklch(40.53% 0.125 259.6) |
| XYZ | xyz(7.3007, 6.4766, 25.2864) |
| Luminance | 0.0648 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 0.80
Darkish Blue
#014182
ΔE00 2.44
Twilight Blue
#0A437A
ΔE00 3.14
Cobalt
#0047AB
ΔE00 4.20
Dusk Blue
#26538D
ΔE00 4.35
Prussian Blue
#004577
ΔE00 4.43
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B468B #8B601B
analogous
#1B7E8B #1B468B #281B8B
triadic
#1B468B #8B1B46 #468B1B
tetradic
#1B468B #8B1B7E #8B601B #1B8B28
square
#1B468B #8B1B7E #8B601B #1B8B28
split-complementary
#1B468B #8B281B #7E8B1B
monochromatic
#071225 #112C58 #1B468B #2560BE #457FDB
Accessibility & contrast
On white
9.15
#1B468B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.30
#1B468B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1B468B
9.15:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B468B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B468B | 1.00 | 9.15 | 2.30 | 9.15 |
| #FFFFFF | 9.15 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.30 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.15 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1E4D8E
Deuteranopia (green-blind)
#00438A
Tritanopia (blue-blind)
#005762
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #1b468b; /* rgb */ color: rgb(27, 70, 139); /* oklch */ color: oklch(40.5% 0.125 259.6);
Tailwind
colors: {
custom: {
50: '#6a78ad',
500: '#1b468b',
950: '#000000',
},
}SCSS
$custom: #1b468b; $custom-light: #6a78ad; $custom-dark: #000000;
JSON
{
"hex": "#1b468b",
"rgb": {
"r": 27,
"g": 70,
"b": 139
},
"hsl": {
"h": 216.964,
"s": 67.47,
"l": 32.549
},
"oklch": {
"l": 0.40532,
"c": 0.12453,
"h": 259.6
},
"luminance": 0.06477
}Semantic roles & 50–950 ramp
primary
#1B468B
secondary
#BC8F45
accent
#A83DEA
background
#F6F7FA
surface
#ECEDF4
border
#C7C8CE
text
#070910
muted
#7A7B7F