#1B5367#1B5367

#1B5367 is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 41.5% C 0.066 H 225.6°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#1B5367
RGB	rgb(27, 83, 103)
HSL	hsl(196, 58%, 25%)
HSV	hsv(196, 74%, 40%)
CMYK	cmyk(73.8%, 19.4%, 0%, 59.6%)
CIE-LAB	lab(32.70, -10.90, -16.84)
CIE-LCH	lch(32.70, 20.06, 237.10°)
OKLab	oklab(41.53% -0.0461 -0.0471)
OKLCH	oklch(41.53% 0.066 225.6)
XYZ	xyz(5.9924, 7.3981, 13.9415)
Luminance	0.0740 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5367 #672F1B

analogous

#1B6755 #1B5367 #1B2D67

triadic

#1B5367 #671B53 #53671B

tetradic

#1B5367 #551B67 #672F1B #2D671B

square

#1B5367 #551B67 #672F1B #2D671B

split-complementary

#1B5367 #671B2D #67551B

monochromatic

#061418 #0E2C37 #1B5367 #287A97 #34A1C8

Accessibility & contrast

On white

8.47

#1B5367 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#1B5367 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5367

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5367	#FFFFFF	#000000	##FFFFFF
##1B5367	1.00	8.47	2.48	8.47
#FFFFFF	8.47	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#485168

Deuteranopia (green-blind)

#3E4A67

Tritanopia (blue-blind)

#00595A

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1b5367;
/* rgb */ color: rgb(27, 83, 103);
/* oklch */ color: oklch(41.5% 0.066 225.6);

Tailwind

colors: {
  custom: {
    50: '#638392',
    500: '#1b5367',
    950: '#000000',
  },
}

SCSS

$custom: #1b5367;
$custom-light: #638392;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5367",
  "rgb": {
    "r": 27,
    "g": 83,
    "b": 103
  },
  "hsl": {
    "h": 195.789,
    "s": 58.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.41528,
    "c": 0.06592,
    "h": 225.6
  },
  "luminance": 0.07399
}

Semantic roles & 50–950 ramp

primary

#1B5367

secondary

#9C5942

accent

#6F46E2

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#060A0D

muted

#7A7C7D

Preview Lab

Preview with #1B5367

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

Preview Lab → · Contrast checker → · Palette generator →