#1B4668#1B4668

#1B4668 is a dark, moderate cyan. Relative luminance 0.056; OKLCH L 38.1% C 0.075 H 245.5°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#1B4668
RGB	rgb(27, 70, 104)
HSL	hsl(206, 59%, 26%)
HSV	hsv(206, 74%, 41%)
CMYK	cmyk(74%, 32.7%, 0%, 59.2%)
CIE-LAB	lab(28.41, -2.35, -24.15)
CIE-LCH	lch(28.41, 24.26, 264.43°)
OKLab	oklab(38.14% -0.0311 -0.0683)
OKLCH	oklch(38.14% 0.075 245.5)
XYZ	xyz(5.1399, 5.6122, 13.9064)
Luminance	0.0561 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4668 #683D1B

analogous

#1B6863 #1B4668 #1B1F68

triadic

#1B4668 #681B46 #46681B

tetradic

#1B4668 #631B68 #683D1B #1F681B

square

#1B4668 #631B68 #683D1B #1F681B

split-complementary

#1B4668 #681B1F #68631B

monochromatic

#061018 #0E2537 #1B4668 #286799 #3487C9

Accessibility & contrast

On white

9.89

#1B4668 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#1B4668 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4668

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4668	#FFFFFF	#000000	##FFFFFF
##1B4668	1.00	9.89	2.12	9.89
#FFFFFF	9.89	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#374769

Deuteranopia (green-blind)

#2C4067

Tritanopia (blue-blind)

#004E52

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1b4668;
/* rgb */ color: rgb(27, 70, 104);
/* oklch */ color: oklch(38.1% 0.075 245.5);

Tailwind

colors: {
  custom: {
    50: '#627993',
    500: '#1b4668',
    950: '#000000',
  },
}

SCSS

$custom: #1b4668;
$custom-light: #627993;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4668",
  "rgb": {
    "r": 27,
    "g": 70,
    "b": 104
  },
  "hsl": {
    "h": 206.494,
    "s": 58.779,
    "l": 25.686
  },
  "oklch": {
    "l": 0.38139,
    "c": 0.07506,
    "h": 245.5
  },
  "luminance": 0.05613
}

Semantic roles & 50–950 ramp

primary

#1B4668

secondary

#9D6A42

accent

#8B46E2

background

#F6F7F9

surface

#EBEDF1

border

#C6C8CB

text

#06090D

muted

#7A7B7E

Preview Lab

Preview with #1B4668

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

Preview Lab → · Contrast checker → · Palette generator →