#1B4367#1B4367

#1B4367 is a dark, moderate cyan. Relative luminance 0.052; OKLCH L 37.3% C 0.077 H 248.5°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#1B4367
RGB	rgb(27, 67, 103)
HSL	hsl(208, 58%, 25%)
HSV	hsv(208, 74%, 40%)
CMYK	cmyk(73.8%, 35%, 0%, 59.6%)
CIE-LAB	lab(27.37, -0.77, -25.15)
CIE-LCH	lch(27.37, 25.16, 268.25°)
OKLab	oklab(37.3% -0.0281 -0.0713)
OKLCH	oklch(37.3% 0.077 248.5)
XYZ	xyz(4.9064, 5.2261, 13.5795)
Luminance	0.0523 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4367 #673F1B

analogous

#1B6765 #1B4367 #1B1D67

triadic

#1B4367 #671B43 #43671B

tetradic

#1B4367 #651B67 #673F1B #1D671B

square

#1B4367 #651B67 #673F1B #1D671B

split-complementary

#1B4367 #671B1D #67651B

monochromatic

#061018 #0E2337 #1B4367 #286397 #3482C8

Accessibility & contrast

On white

10.27

#1B4367 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#1B4367 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4367

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4367	#FFFFFF	#000000	##FFFFFF
##1B4367	1.00	10.27	2.05	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#334569

Deuteranopia (green-blind)

#283D66

Tritanopia (blue-blind)

#004C50

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1b4367;
/* rgb */ color: rgb(27, 67, 103);
/* oklch */ color: oklch(37.3% 0.077 248.5);

Tailwind

colors: {
  custom: {
    50: '#627692',
    500: '#1b4367',
    950: '#000000',
  },
}

SCSS

$custom: #1b4367;
$custom-light: #627692;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4367",
  "rgb": {
    "r": 27,
    "g": 67,
    "b": 103
  },
  "hsl": {
    "h": 208.421,
    "s": 58.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.373,
    "c": 0.07662,
    "h": 248.5
  },
  "luminance": 0.05227
}

Semantic roles & 50–950 ramp

primary

#1B4367

secondary

#9C6D42

accent

#9046E2

background

#F6F7F9

surface

#EBEDF1

border

#C6C8CB

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #1B4367

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

Preview Lab → · Contrast checker → · Palette generator →