#1B414A#1B414A

#1B414A is a dark, muted cyan. Relative luminance 0.045; OKLCH L 35.2% C 0.046 H 215.5°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#1B414A
RGB	rgb(27, 65, 74)
HSL	hsl(191, 47%, 20%)
HSV	hsv(191, 64%, 29%)
CMYK	cmyk(63.5%, 12.2%, 0%, 71%)
CIE-LAB	lab(25.28, -10.38, -9.54)
CIE-LCH	lch(25.28, 14.10, 222.61°)
OKLab	oklab(35.18% -0.0371 -0.0265)
OKLCH	oklch(35.18% 0.046 215.5)
XYZ	xyz(3.5778, 4.5077, 7.1588)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B414A #4A241B

analogous

#1B4A3C #1B414A #1B2A4A

triadic

#1B414A #4A1B41 #414A1B

tetradic

#1B414A #3C1B4A #4A241B #2A4A1B

square

#1B414A #3C1B4A #4A241B #2A4A1B

split-complementary

#1B414A #4A1B2A #4A3C1B

monochromatic

#081416 #0B1A1D #1B414A #2B6877 #3C90A4

Accessibility & contrast

On white

11.04

#1B414A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#1B414A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B414A

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B414A	#FFFFFF	#000000	##FFFFFF
##1B414A	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3F4B

Deuteranopia (green-blind)

#343A4A

Tritanopia (blue-blind)

#004444

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1b414a;
/* rgb */ color: rgb(27, 65, 74);
/* oklch */ color: oklch(35.2% 0.046 215.5);

Tailwind

colors: {
  custom: {
    50: '#5d757c',
    500: '#1b414a',
    950: '#000000',
  },
}

SCSS

$custom: #1b414a;
$custom-light: #5d757c;
$custom-dark: #000000;

JSON

{
  "hex": "#1b414a",
  "rgb": {
    "r": 27,
    "g": 65,
    "b": 74
  },
  "hsl": {
    "h": 191.489,
    "s": 46.535,
    "l": 19.804
  },
  "oklch": {
    "l": 0.35181,
    "c": 0.04559,
    "h": 215.5
  },
  "luminance": 0.04508
}

Semantic roles & 50–950 ramp

primary

#1B414A

secondary

#804D41

accent

#6B52D6

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #1B414A

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

Preview Lab → · Contrast checker → · Palette generator →