#1B314D#1B314D

#1B314D is a dark, muted cyan. Relative luminance 0.030; OKLCH L 31.0% C 0.058 H 255.1°. Best body text is #FFFFFF at 13.18:1 contrast (WCAG AA passes).

Color values

HEX	#1B314D
RGB	rgb(27, 49, 77)
HSL	hsl(214, 48%, 20%)
HSV	hsv(214, 65%, 30%)
CMYK	cmyk(64.9%, 36.4%, 0%, 69.8%)
CIE-LAB	lab(19.90, 1.29, -19.86)
CIE-LCH	lch(19.90, 19.90, 273.72°)
OKLab	oklab(30.97% -0.0149 -0.0561)
OKLCH	oklch(30.97% 0.058 255.1)
XYZ	xyz(2.8894, 2.9652, 7.4398)
Luminance	0.0296 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B314D #4D371B

analogous

#1B4A4D #1B314D #1E1B4D

triadic

#1B314D #4D1B31 #314D1B

tetradic

#1B314D #4D1B4A #4D371B #1B4D1E

square

#1B314D #4D1B4A #4D371B #1B4D1E

split-complementary

#1B314D #4D1E1B #4A4D1B

monochromatic

#080E17 #0B1420 #1B314D #2B4E7A #3B6BA8

Accessibility & contrast

On white

13.18

#1B314D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#1B314D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B314D

13.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B314D	#FFFFFF	#000000	##FFFFFF
##1B314D	1.00	13.18	1.59	13.18
#FFFFFF	13.18	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25334E

Deuteranopia (green-blind)

#1F2E4C

Tritanopia (blue-blind)

#00373B

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1b314d;
/* rgb */ color: rgb(27, 49, 77);
/* oklch */ color: oklch(31.0% 0.058 255.1);

Tailwind

colors: {
  custom: {
    50: '#5c687f',
    500: '#1b314d',
    950: '#000000',
  },
}

SCSS

$custom: #1b314d;
$custom-light: #5c687f;
$custom-dark: #000000;

JSON

{
  "hex": "#1b314d",
  "rgb": {
    "r": 27,
    "g": 49,
    "b": 77
  },
  "hsl": {
    "h": 213.6,
    "s": 48.077,
    "l": 20.392
  },
  "oklch": {
    "l": 0.30966,
    "c": 0.05803,
    "h": 255.1
  },
  "luminance": 0.02965
}

Semantic roles & 50–950 ramp

primary

#1B314D

secondary

#836641

accent

#9C50D8

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #1B314D

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

Preview Lab → · Contrast checker → · Palette generator →