#1B4693#1B4693

#1B4693 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.2% C 0.136 H 261.0°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#1B4693
RGB	rgb(27, 70, 147)
HSL	hsl(219, 69%, 34%)
HSV	hsv(219, 82%, 58%)
CMYK	cmyk(81.6%, 52.4%, 0%, 42.4%)
CIE-LAB	lab(31.16, 15.00, -46.60)
CIE-LCH	lch(31.16, 48.95, 287.84°)
OKLab	oklab(41.16% -0.0213 -0.1342)
OKLCH	oklch(41.16% 0.136 261)
XYZ	xyz(7.9067, 6.7190, 28.4783)
Luminance	0.0672 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4693 #93681B

analogous

#1B8293 #1B4693 #2C1B93

triadic

#1B4693 #931B46 #46931B

tetradic

#1B4693 #931B82 #93681B #1B932C

square

#1B4693 #931B82 #93681B #1B932C

split-complementary

#1B4693 #932C1B #82931B

monochromatic

#08152C #122D5F #1B4693 #245FC7 #4B7FDE

Accessibility & contrast

On white

8.96

#1B4693 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#1B4693 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4693

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4693	#FFFFFF	#000000	##FFFFFF
##1B4693	1.00	8.96	2.34	8.96
#FFFFFF	8.96	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#134F96

Deuteranopia (green-blind)

#004491

Tritanopia (blue-blind)

#005965

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1b4693;
/* rgb */ color: rgb(27, 70, 147);
/* oklch */ color: oklch(41.2% 0.136 261.0);

Tailwind

colors: {
  custom: {
    50: '#6c78b3',
    500: '#1b4693',
    950: '#000000',
  },
}

SCSS

$custom: #1b4693;
$custom-light: #6c78b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4693",
  "rgb": {
    "r": 27,
    "g": 70,
    "b": 147
  },
  "hsl": {
    "h": 218.5,
    "s": 68.966,
    "l": 34.118
  },
  "oklch": {
    "l": 0.41155,
    "c": 0.13588,
    "h": 261
  },
  "luminance": 0.0672
}

Semantic roles & 50–950 ramp

primary

#1B4693

secondary

#C0964A

accent

#AD3CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1B4693

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

Preview Lab → · Contrast checker → · Palette generator →