#1B475E#1B475E

#1B475E is a dark, moderate cyan. Relative luminance 0.055; OKLCH L 37.8% C 0.062 H 234.6°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#1B475E
RGB	rgb(27, 71, 94)
HSL	hsl(201, 55%, 24%)
HSV	hsv(201, 71%, 37%)
CMYK	cmyk(71.3%, 24.5%, 0%, 63.1%)
CIE-LAB	lab(28.24, -6.84, -18.01)
CIE-LCH	lch(28.24, 19.27, 249.20°)
OKLab	oklab(37.84% -0.0359 -0.0506)
OKLCH	oklch(37.84% 0.062 234.6)
XYZ	xyz(4.7248, 5.5471, 11.4092)
Luminance	0.0555 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B475E #5E321B

analogous

#1B5E53 #1B475E #1B255E

triadic

#1B475E #5E1B47 #475E1B

tetradic

#1B475E #531B5E #5E321B #255E1B

square

#1B475E #531B5E #5E321B #255E1B

split-complementary

#1B475E #5E1B25 #5E531B

monochromatic

#071218 #0D232E #1B475E #296B8E #368FBD

Accessibility & contrast

On white

9.95

#1B475E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#1B475E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B475E

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B475E	#FFFFFF	#000000	##FFFFFF
##1B475E	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C465F

Deuteranopia (green-blind)

#33405E

Tritanopia (blue-blind)

#004D4F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1b475e;
/* rgb */ color: rgb(27, 71, 94);
/* oklch */ color: oklch(37.8% 0.062 234.6);

Tailwind

colors: {
  custom: {
    50: '#607a8b',
    500: '#1b475e',
    950: '#000000',
  },
}

SCSS

$custom: #1b475e;
$custom-light: #607a8b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b475e",
  "rgb": {
    "r": 27,
    "g": 71,
    "b": 94
  },
  "hsl": {
    "h": 200.597,
    "s": 55.372,
    "l": 23.725
  },
  "oklch": {
    "l": 0.37836,
    "c": 0.062,
    "h": 234.6
  },
  "luminance": 0.05548
}

Semantic roles & 50–950 ramp

primary

#1B475E

secondary

#945D41

accent

#7C49DF

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05090C

muted

#797B7D

Preview Lab

Preview with #1B475E

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

Preview Lab → · Contrast checker → · Palette generator →