#1B4F94#1B4F94
#1B4F94 is a dark, vivid cyan. Relative luminance 0.080; OKLCH L 43.3% C 0.126 H 257.0°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).
Color values
| HEX | #1B4F94 |
|---|---|
| RGB | rgb(27, 79, 148) |
| HSL | hsl(214, 69%, 34%) |
| HSV | hsv(214, 82%, 58%) |
| CMYK | cmyk(81.8%, 46.6%, 0%, 42%) |
| CIE-LAB | lab(33.90, 9.29, -42.78) |
| CIE-LCH | lch(33.90, 43.78, 282.25°) |
| OKLab | oklab(43.29% -0.0284 -0.1228) |
| OKLCH | oklch(43.29% 0.126 257) |
| XYZ | xyz(8.5913, 7.9621, 29.0953) |
| Luminance | 0.0796 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dusk Blue
#26538D
ΔE00 1.65
Cobalt (survey)
#1E488F
ΔE00 2.64
Light Navy
#155084
ΔE00 2.98
Light Navy Blue
#2E5A88
ΔE00 4.22
Cobalt
#0047AB
ΔE00 4.34
Denim Blue
#3B5B92
ΔE00 4.72
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B4F94 #94601B
analogous
#1B8C94 #1B4F94 #241B94
triadic
#1B4F94 #941B4F #4F941B
tetradic
#1B4F94 #941B8C #94601B #1B9424
square
#1B4F94 #941B8C #94601B #1B9424
split-complementary
#1B4F94 #94241B #8C941B
monochromatic
#08182C #123360 #1B4F94 #246BC8 #4B8ADE
Accessibility & contrast
On white
8.10
#1B4F94 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.59
#1B4F94 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1B4F94
8.10:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B4F94 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B4F94 | 1.00 | 8.10 | 2.59 | 8.10 |
| #FFFFFF | 8.10 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.59 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.10 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2A5697
Deuteranopia (green-blind)
#0C4B93
Tritanopia (blue-blind)
#005F6A
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #1b4f94; /* rgb */ color: rgb(27, 79, 148); /* oklch */ color: oklch(43.3% 0.126 257.0);
Tailwind
colors: {
custom: {
50: '#6c7fb4',
500: '#1b4f94',
950: '#000000',
},
}SCSS
$custom: #1b4f94; $custom-light: #6c7fb4; $custom-dark: #000000;
JSON
{
"hex": "#1b4f94",
"rgb": {
"r": 27,
"g": 79,
"b": 148
},
"hsl": {
"h": 214.215,
"s": 69.143,
"l": 34.314
},
"oklch": {
"l": 0.43286,
"c": 0.12601,
"h": 257
},
"luminance": 0.07963
}Semantic roles & 50–950 ramp
primary
#1B4F94
secondary
#C08E4B
accent
#A03CEC
background
#F7F7FB
surface
#EDEEF6
border
#C8C9D0
text
#080A11
muted
#7B7C80