#1B4977#1B4977

#1B4977 is a dark, moderate cyan. Relative luminance 0.063; OKLCH L 39.8% C 0.092 H 251.3°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#1B4977
RGB	rgb(27, 73, 119)
HSL	hsl(210, 63%, 29%)
HSV	hsv(210, 77%, 47%)
CMYK	cmyk(77.3%, 38.7%, 0%, 53.3%)
CIE-LAB	lab(30.23, 1.61, -30.76)
CIE-LCH	lch(30.23, 30.80, 273.00°)
OKLab	oklab(39.84% -0.0296 -0.0876)
OKLCH	oklch(39.84% 0.092 251.3)
XYZ	xyz(6.1631, 6.3293, 18.3461)
Luminance	0.0633 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4977 #77491B

analogous

#1B7777 #1B4977 #1B1B77

triadic

#1B4977 #771B49 #49771B

tetradic

#1B4977 #771B77 #77491B #1B771B

square

#1B4977 #771B77 #77491B #1B771B

split-complementary

#1B4977 #771B1B #77771B

monochromatic

#060F19 #102A45 #1B4977 #2668A9 #3A86D2

Accessibility & contrast

On white

9.27

#1B4977 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#1B4977 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4977

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4977	#FFFFFF	#000000	##FFFFFF
##1B4977	1.00	9.27	2.27	9.27
#FFFFFF	9.27	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#344C79

Deuteranopia (green-blind)

#264376

Tritanopia (blue-blind)

#00545A

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1b4977;
/* rgb */ color: rgb(27, 73, 119);
/* oklch */ color: oklch(39.8% 0.092 251.3);

Tailwind

colors: {
  custom: {
    50: '#657b9e',
    500: '#1b4977',
    950: '#000000',
  },
}

SCSS

$custom: #1b4977;
$custom-light: #657b9e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4977",
  "rgb": {
    "r": 27,
    "g": 73,
    "b": 119
  },
  "hsl": {
    "h": 210,
    "s": 63.014,
    "l": 28.627
  },
  "oklch": {
    "l": 0.39842,
    "c": 0.09248,
    "h": 251.3
  },
  "luminance": 0.0633
}

Semantic roles & 50–950 ramp

primary

#1B4977

secondary

#AB7742

accent

#9442E6

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #1B4977

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

Preview Lab → · Contrast checker → · Palette generator →