#1B4656#1B4656

#1B4656 is a dark, muted cyan. Relative luminance 0.053; OKLCH L 37.1% C 0.054 H 225.7°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#1B4656
RGB	rgb(27, 70, 86)
HSL	hsl(196, 52%, 22%)
HSV	hsv(196, 69%, 34%)
CMYK	cmyk(68.6%, 18.6%, 0%, 66.3%)
CIE-LAB	lab(27.53, -9.18, -13.95)
CIE-LCH	lch(27.53, 16.70, 236.64°)
OKLab	oklab(37.15% -0.038 -0.0389)
OKLCH	oklch(37.15% 0.054 225.7)
XYZ	xyz(4.3212, 5.2848, 9.5946)
Luminance	0.0529 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4656 #562B1B

analogous

#1B5649 #1B4656 #1B2956

triadic

#1B4656 #561B46 #46561B

tetradic

#1B4656 #491B56 #562B1B #29561B

square

#1B4656 #491B56 #562B1B #29561B

split-complementary

#1B4656 #561B29 #56491B

monochromatic

#071317 #0C2027 #1B4656 #2A6C85 #3892B3

Accessibility & contrast

On white

10.21

#1B4656 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#1B4656 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4656

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4656	#FFFFFF	#000000	##FFFFFF
##1B4656	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D4457

Deuteranopia (green-blind)

#353E56

Tritanopia (blue-blind)

#004B4B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1b4656;
/* rgb */ color: rgb(27, 70, 86);
/* oklch */ color: oklch(37.1% 0.054 225.7);

Tailwind

colors: {
  custom: {
    50: '#5f7985',
    500: '#1b4656',
    950: '#000000',
  },
}

SCSS

$custom: #1b4656;
$custom-light: #5f7985;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4656",
  "rgb": {
    "r": 27,
    "g": 70,
    "b": 86
  },
  "hsl": {
    "h": 196.271,
    "s": 52.212,
    "l": 22.157
  },
  "oklch": {
    "l": 0.37149,
    "c": 0.0544,
    "h": 225.7
  },
  "luminance": 0.05285
}

Semantic roles & 50–950 ramp

primary

#1B4656

secondary

#8C5541

accent

#734CDC

background

#F5F7F8

surface

#EAEDEF

border

#C6C8CA

text

#05090B

muted

#797B7C

Preview Lab

Preview with #1B4656

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

Preview Lab → · Contrast checker → · Palette generator →