#1B567D#1B567D

#1B567D is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.5% C 0.088 H 242.1°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#1B567D
RGB	rgb(27, 86, 125)
HSL	hsl(204, 64%, 30%)
HSV	hsv(204, 78%, 49%)
CMYK	cmyk(78.4%, 31.2%, 0%, 51%)
CIE-LAB	lab(34.74, -4.43, -27.37)
CIE-LCH	lch(34.74, 27.73, 260.80°)
OKLab	oklab(43.5% -0.041 -0.0775)
OKLCH	oklch(43.5% 0.088 242.1)
XYZ	xyz(7.4800, 8.3684, 20.6191)
Luminance	0.0837 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B567D #7D421B

analogous

#1B7D73 #1B567D #1B257D

triadic

#1B567D #7D1B56 #567D1B

tetradic

#1B567D #731B7D #7D421B #257D1B

square

#1B567D #731B7D #7D421B #257D1B

split-complementary

#1B567D #7D1B25 #7D731B

monochromatic

#051119 #10334B #1B567D #2679AF #3D99D5

Accessibility & contrast

On white

7.85

#1B567D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#1B567D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B567D

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B567D	#FFFFFF	#000000	##FFFFFF
##1B567D	1.00	7.85	2.67	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#44577F

Deuteranopia (green-blind)

#364E7C

Tritanopia (blue-blind)

#006064

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1b567d;
/* rgb */ color: rgb(27, 86, 125);
/* oklch */ color: oklch(43.5% 0.088 242.1);

Tailwind

colors: {
  custom: {
    50: '#6785a3',
    500: '#1b567d',
    950: '#000000',
  },
}

SCSS

$custom: #1b567d;
$custom-light: #6785a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1b567d",
  "rgb": {
    "r": 27,
    "g": 86,
    "b": 125
  },
  "hsl": {
    "h": 203.878,
    "s": 64.474,
    "l": 29.804
  },
  "oklch": {
    "l": 0.435,
    "c": 0.08767,
    "h": 242.1
  },
  "luminance": 0.08369
}

Semantic roles & 50–950 ramp

primary

#1B567D

secondary

#B16F43

accent

#8340E7

background

#F6F8FA

surface

#EBEFF3

border

#C6CACD

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1B567D

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

Preview Lab → · Contrast checker → · Palette generator →