#1B4567#1B4567

#1B4567 is a dark, moderate cyan. Relative luminance 0.055; OKLCH L 37.8% C 0.075 H 246.1°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#1B4567
RGB	rgb(27, 69, 103)
HSL	hsl(207, 58%, 25%)
HSV	hsv(207, 74%, 40%)
CMYK	cmyk(73.8%, 33%, 0%, 59.6%)
CIE-LAB	lab(28.03, -2.09, -24.11)
CIE-LCH	lch(28.03, 24.20, 265.05°)
OKLab	oklab(37.82% -0.0303 -0.0682)
OKLCH	oklch(37.82% 0.075 246.1)
XYZ	xyz(5.0274, 5.4680, 13.6198)
Luminance	0.0547 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4567 #673D1B

analogous

#1B6763 #1B4567 #1B1F67

triadic

#1B4567 #671B45 #45671B

tetradic

#1B4567 #631B67 #673D1B #1F671B

square

#1B4567 #631B67 #673D1B #1F671B

split-complementary

#1B4567 #671B1F #67631B

monochromatic

#061018 #0E2537 #1B4567 #286597 #3486C8

Accessibility & contrast

On white

10.03

#1B4567 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#1B4567 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4567

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4567	#FFFFFF	#000000	##FFFFFF
##1B4567	1.00	10.03	2.09	10.03
#FFFFFF	10.03	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#364668

Deuteranopia (green-blind)

#2B3F66

Tritanopia (blue-blind)

#004D51

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1b4567;
/* rgb */ color: rgb(27, 69, 103);
/* oklch */ color: oklch(37.8% 0.075 246.1);

Tailwind

colors: {
  custom: {
    50: '#627892',
    500: '#1b4567',
    950: '#000000',
  },
}

SCSS

$custom: #1b4567;
$custom-light: #627892;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4567",
  "rgb": {
    "r": 27,
    "g": 69,
    "b": 103
  },
  "hsl": {
    "h": 206.842,
    "s": 58.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.37819,
    "c": 0.07466,
    "h": 246.1
  },
  "luminance": 0.05469
}

Semantic roles & 50–950 ramp

primary

#1B4567

secondary

#9C6A42

accent

#8C46E2

background

#F6F7F9

surface

#EBEDF1

border

#C6C8CB

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #1B4567

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

Preview Lab → · Contrast checker → · Palette generator →