#1B5969#1B5969

#1B5969 is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.2% C 0.067 H 218.6°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#1B5969
RGB	rgb(27, 89, 105)
HSL	hsl(192, 59%, 26%)
HSV	hsv(192, 74%, 41%)
CMYK	cmyk(74.3%, 15.2%, 0%, 58.8%)
CIE-LAB	lab(34.80, -13.72, -14.87)
CIE-LCH	lch(34.80, 20.23, 227.32°)
OKLab	oklab(43.24% -0.052 -0.0415)
OKLCH	oklch(43.24% 0.067 218.6)
XYZ	xyz(6.5731, 8.3969, 14.6362)
Luminance	0.0840 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5969 #692B1B

analogous

#1B6952 #1B5969 #1B3269

triadic

#1B5969 #691B59 #59691B

tetradic

#1B5969 #521B69 #692B1B #32691B

square

#1B5969 #521B69 #692B1B #32691B

split-complementary

#1B5969 #691B32 #69521B

monochromatic

#061518 #0E3038 #1B5969 #28829A #34ACCA

Accessibility & contrast

On white

7.84

#1B5969 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#1B5969 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5969

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5969	#FFFFFF	#000000	##FFFFFF
##1B5969	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F566A

Deuteranopia (green-blind)

#444E69

Tritanopia (blue-blind)

#005E5E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1b5969;
/* rgb */ color: rgb(27, 89, 105);
/* oklch */ color: oklch(43.2% 0.067 218.6);

Tailwind

colors: {
  custom: {
    50: '#638894',
    500: '#1b5969',
    950: '#000000',
  },
}

SCSS

$custom: #1b5969;
$custom-light: #638894;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5969",
  "rgb": {
    "r": 27,
    "g": 89,
    "b": 105
  },
  "hsl": {
    "h": 192.308,
    "s": 59.091,
    "l": 25.882
  },
  "oklch": {
    "l": 0.43239,
    "c": 0.06654,
    "h": 218.6
  },
  "luminance": 0.08398
}

Semantic roles & 50–950 ramp

primary

#1B5969

secondary

#9E5542

accent

#6646E2

background

#F6F8F9

surface

#EBEFF1

border

#C6CACB

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #1B5969

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

Preview Lab → · Contrast checker → · Palette generator →