#1B475C#1B475C

#1B475C is a dark, muted cyan. Relative luminance 0.055; OKLCH L 37.7% C 0.060 H 232.2°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).

Color values

HEX	#1B475C
RGB	rgb(27, 71, 92)
HSL	hsl(199, 55%, 23%)
HSV	hsv(199, 71%, 36%)
CMYK	cmyk(70.7%, 22.8%, 0%, 63.9%)
CIE-LAB	lab(28.15, -7.59, -16.87)
CIE-LCH	lch(28.15, 18.50, 245.77°)
OKLab	oklab(37.73% -0.0367 -0.0473)
OKLCH	oklch(37.73% 0.06 232.2)
XYZ	xyz(4.6362, 5.5117, 10.9427)
Luminance	0.0551 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B475C #5C301B

analogous

#1B5C50 #1B475C #1B265C

triadic

#1B475C #5C1B47 #475C1B

tetradic

#1B475C #501B5C #5C301B #265C1B

square

#1B475C #501B5C #5C301B #265C1B

split-complementary

#1B475C #5C1B26 #5C501B

monochromatic

#071218 #0D222D #1B475C #296C8B #3790BB

Accessibility & contrast

On white

9.99

#1B475C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#1B475C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B475C

9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B475C	#FFFFFF	#000000	##FFFFFF
##1B475C	1.00	9.99	2.10	9.99
#FFFFFF	9.99	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D465D

Deuteranopia (green-blind)

#34405C

Tritanopia (blue-blind)

#004D4E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1b475c;
/* rgb */ color: rgb(27, 71, 92);
/* oklch */ color: oklch(37.7% 0.060 232.2);

Tailwind

colors: {
  custom: {
    50: '#607a8a',
    500: '#1b475c',
    950: '#000000',
  },
}

SCSS

$custom: #1b475c;
$custom-light: #607a8a;
$custom-dark: #000000;

JSON

{
  "hex": "#1b475c",
  "rgb": {
    "r": 27,
    "g": 71,
    "b": 92
  },
  "hsl": {
    "h": 199.385,
    "s": 54.622,
    "l": 23.333
  },
  "oklch": {
    "l": 0.3773,
    "c": 0.05985,
    "h": 232.2
  },
  "luminance": 0.05512
}

Semantic roles & 50–950 ramp

primary

#1B475C

secondary

#925B41

accent

#7A4ADE

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05090B

muted

#797B7C

Preview Lab

Preview with #1B475C

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

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