#1B4972#1B4972

#1B4972 is a dark, moderate cyan. Relative luminance 0.062; OKLCH L 39.5% C 0.086 H 248.7°. Best body text is #FFFFFF at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#1B4972
RGB	rgb(27, 73, 114)
HSL	hsl(208, 62%, 28%)
HSV	hsv(208, 76%, 45%)
CMYK	cmyk(76.3%, 36%, 0%, 55.3%)
CIE-LAB	lab(29.94, -0.38, -28.07)
CIE-LCH	lch(29.94, 28.08, 269.22°)
OKLab	oklab(39.52% -0.0311 -0.0797)
OKLCH	oklch(39.52% 0.086 248.7)
XYZ	xyz(5.8707, 6.2123, 16.8060)
Luminance	0.0621 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4972 #72441B

analogous

#1B726F #1B4972 #1B1D72

triadic

#1B4972 #721B49 #49721B

tetradic

#1B4972 #6F1B72 #72441B #1D721B

square

#1B4972 #6F1B72 #72441B #1D721B

split-complementary

#1B4972 #721B1D #726F1B

monochromatic

#061019 #0F2941 #1B4972 #2769A3 #3888D0

Accessibility & contrast

On white

9.36

#1B4972 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#1B4972 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4972

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4972	#FFFFFF	#000000	##FFFFFF
##1B4972	1.00	9.36	2.24	9.36
#FFFFFF	9.36	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#364B74

Deuteranopia (green-blind)

#2A4371

Tritanopia (blue-blind)

#005358

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1b4972;
/* rgb */ color: rgb(27, 73, 114);
/* oklch */ color: oklch(39.5% 0.086 248.7);

Tailwind

colors: {
  custom: {
    50: '#647b9b',
    500: '#1b4972',
    950: '#000000',
  },
}

SCSS

$custom: #1b4972;
$custom-light: #647b9b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4972",
  "rgb": {
    "r": 27,
    "g": 73,
    "b": 114
  },
  "hsl": {
    "h": 208.276,
    "s": 61.702,
    "l": 27.647
  },
  "oklch": {
    "l": 0.39523,
    "c": 0.08558,
    "h": 248.7
  },
  "luminance": 0.06213
}

Semantic roles & 50–950 ramp

primary

#1B4972

secondary

#A77242

accent

#8F43E5

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #1B4972

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

Preview Lab → · Contrast checker → · Palette generator →