#1B567E#1B567E

#1B567E is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.6% C 0.089 H 242.8°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#1B567E
RGB	rgb(27, 86, 126)
HSL	hsl(204, 65%, 30%)
HSV	hsv(204, 79%, 49%)
CMYK	cmyk(78.6%, 31.7%, 0%, 50.6%)
CIE-LAB	lab(34.79, -4.05, -27.91)
CIE-LCH	lch(34.79, 28.20, 261.75°)
OKLab	oklab(43.56% -0.0407 -0.0791)
OKLCH	oklch(43.56% 0.089 242.8)
XYZ	xyz(7.5442, 8.3941, 20.9572)
Luminance	0.0839 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B567E #7E431B

analogous

#1B7E74 #1B567E #1B257E

triadic

#1B567E #7E1B56 #567E1B

tetradic

#1B567E #741B7E #7E431B #257E1B

square

#1B567E #741B7E #7E431B #257E1B

split-complementary

#1B567E #7E1B25 #7E741B

monochromatic

#051119 #10344C #1B567E #2678B0 #3E98D6

Accessibility & contrast

On white

7.84

#1B567E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#1B567E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B567E

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B567E	#FFFFFF	#000000	##FFFFFF
##1B567E	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)

#435780

Deuteranopia (green-blind)

#364E7D

Tritanopia (blue-blind)

#006064

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1b567e;
/* rgb */ color: rgb(27, 86, 126);
/* oklch */ color: oklch(43.6% 0.089 242.8);

Tailwind

colors: {
  custom: {
    50: '#6785a3',
    500: '#1b567e',
    950: '#000000',
  },
}

SCSS

$custom: #1b567e;
$custom-light: #6785a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1b567e",
  "rgb": {
    "r": 27,
    "g": 86,
    "b": 126
  },
  "hsl": {
    "h": 204.242,
    "s": 64.706,
    "l": 30
  },
  "oklch": {
    "l": 0.43558,
    "c": 0.0889,
    "h": 242.8
  },
  "luminance": 0.08395
}

Semantic roles & 50–950 ramp

primary

#1B567E

secondary

#B27043

accent

#8440E8

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1B567E

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

Preview Lab → · Contrast checker → · Palette generator →