#1B4794#1B4794

#1B4794 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.5% C 0.136 H 260.7°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#1B4794
RGB	rgb(27, 71, 148)
HSL	hsl(218, 69%, 34%)
HSV	hsv(218, 82%, 58%)
CMYK	cmyk(81.8%, 52%, 0%, 42%)
CIE-LAB	lab(31.52, 14.72, -46.61)
CIE-LCH	lch(31.52, 48.88, 287.52°)
OKLab	oklab(41.46% -0.0219 -0.1342)
OKLCH	oklch(41.46% 0.136 260.7)
XYZ	xyz(8.0486, 6.8766, 28.9144)
Luminance	0.0688 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4794 #94681B

analogous

#1B8494 #1B4794 #2C1B94

triadic

#1B4794 #941B47 #47941B

tetradic

#1B4794 #941B84 #94681B #1B942C

square

#1B4794 #941B84 #94681B #1B942C

split-complementary

#1B4794 #942C1B #84941B

monochromatic

#08152C #122E60 #1B4794 #2460C8 #4B81DE

Accessibility & contrast

On white

8.84

#1B4794 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#1B4794 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4794

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4794	#FFFFFF	#000000	##FFFFFF
##1B4794	1.00	8.84	2.38	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#155097

Deuteranopia (green-blind)

#004592

Tritanopia (blue-blind)

#005A66

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1b4794;
/* rgb */ color: rgb(27, 71, 148);
/* oklch */ color: oklch(41.5% 0.136 260.7);

Tailwind

colors: {
  custom: {
    50: '#6c79b4',
    500: '#1b4794',
    950: '#000000',
  },
}

SCSS

$custom: #1b4794;
$custom-light: #6c79b4;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4794",
  "rgb": {
    "r": 27,
    "g": 71,
    "b": 148
  },
  "hsl": {
    "h": 218.182,
    "s": 69.143,
    "l": 34.314
  },
  "oklch": {
    "l": 0.41458,
    "c": 0.13602,
    "h": 260.7
  },
  "luminance": 0.06878
}

Semantic roles & 50–950 ramp

primary

#1B4794

secondary

#C0954B

accent

#AC3CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1B4794

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →