#1B5461#1B5461

#1B5461 is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 41.5% C 0.062 H 215.8°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#1B5461
RGB	rgb(27, 84, 97)
HSL	hsl(191, 56%, 24%)
HSV	hsv(191, 72%, 38%)
CMYK	cmyk(72.2%, 13.4%, 0%, 62%)
CIE-LAB	lab(32.78, -13.65, -12.94)
CIE-LCH	lch(32.78, 18.80, 223.48°)
OKLab	oklab(41.51% -0.0499 -0.036)
OKLCH	oklch(41.51% 0.062 215.8)
XYZ	xyz(5.7791, 7.4361, 12.4377)
Luminance	0.0744 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5461 #61281B

analogous

#1B614B #1B5461 #1B3161

triadic

#1B5461 #611B54 #54611B

tetradic

#1B5461 #4B1B61 #61281B #31611B

square

#1B5461 #4B1B61 #61281B #31611B

split-complementary

#1B5461 #611B31 #614B1B

monochromatic

#071518 #0E2B31 #1B5461 #287D91 #36A7C1

Accessibility & contrast

On white

8.44

#1B5461 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#1B5461 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5461

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5461	#FFFFFF	#000000	##FFFFFF
##1B5461	1.00	8.44	2.49	8.44
#FFFFFF	8.44	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B5162

Deuteranopia (green-blind)

#414A61

Tritanopia (blue-blind)

#005958

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1b5461;
/* rgb */ color: rgb(27, 84, 97);
/* oklch */ color: oklch(41.5% 0.062 215.8);

Tailwind

colors: {
  custom: {
    50: '#62848e',
    500: '#1b5461',
    950: '#000000',
  },
}

SCSS

$custom: #1b5461;
$custom-light: #62848e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5461",
  "rgb": {
    "r": 27,
    "g": 84,
    "b": 97
  },
  "hsl": {
    "h": 191.143,
    "s": 56.452,
    "l": 24.314
  },
  "oklch": {
    "l": 0.4151,
    "c": 0.06151,
    "h": 215.8
  },
  "luminance": 0.07437
}

Semantic roles & 50–950 ramp

primary

#1B5461

secondary

#975141

accent

#6448E0

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#060B0C

muted

#7A7C7D

Preview Lab

Preview with #1B5461

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

Preview Lab → · Contrast checker → · Palette generator →