#1B4872#1B4872

#1B4872 is a dark, moderate cyan. Relative luminance 0.061; OKLCH L 39.3% C 0.087 H 249.7°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#1B4872
RGB	rgb(27, 72, 114)
HSL	hsl(209, 62%, 28%)
HSV	hsv(209, 76%, 45%)
CMYK	cmyk(76.3%, 36.8%, 0%, 55.3%)
CIE-LAB	lab(29.62, 0.28, -28.58)
CIE-LCH	lch(29.62, 28.59, 270.56°)
OKLab	oklab(39.27% -0.03 -0.0812)
OKLCH	oklch(39.27% 0.087 249.7)
XYZ	xyz(5.8055, 6.0820, 16.7843)
Luminance	0.0608 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4872 #72451B

analogous

#1B7271 #1B4872 #1B1C72

triadic

#1B4872 #721B48 #48721B

tetradic

#1B4872 #711B72 #72451B #1C721B

square

#1B4872 #711B72 #72451B #1C721B

split-complementary

#1B4872 #721B1C #72711B

monochromatic

#061019 #0F2941 #1B4872 #2767A3 #3886D0

Accessibility & contrast

On white

9.47

#1B4872 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#1B4872 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4872

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4872	#FFFFFF	#000000	##FFFFFF
##1B4872	1.00	9.47	2.22	9.47
#FFFFFF	9.47	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#354A74

Deuteranopia (green-blind)

#284271

Tritanopia (blue-blind)

#005257

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1b4872;
/* rgb */ color: rgb(27, 72, 114);
/* oklch */ color: oklch(39.3% 0.087 249.7);

Tailwind

colors: {
  custom: {
    50: '#647a9b',
    500: '#1b4872',
    950: '#000000',
  },
}

SCSS

$custom: #1b4872;
$custom-light: #647a9b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4872",
  "rgb": {
    "r": 27,
    "g": 72,
    "b": 114
  },
  "hsl": {
    "h": 208.966,
    "s": 61.702,
    "l": 27.647
  },
  "oklch": {
    "l": 0.39269,
    "c": 0.08663,
    "h": 249.7
  },
  "luminance": 0.06083
}

Semantic roles & 50–950 ramp

primary

#1B4872

secondary

#A77342

accent

#9143E5

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #1B4872

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

Preview Lab → · Contrast checker → · Palette generator →