#1B477A#1B477A

#1B477A is a dark, moderate cyan. Relative luminance 0.061; OKLCH L 39.5% C 0.099 H 254.3°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#1B477A
RGB	rgb(27, 71, 122)
HSL	hsl(212, 64%, 29%)
HSV	hsv(212, 78%, 48%)
CMYK	cmyk(77.9%, 41.8%, 0%, 52.2%)
CIE-LAB	lab(29.77, 4.16, -33.36)
CIE-LCH	lch(29.77, 33.62, 277.11°)
OKLab	oklab(39.54% -0.0268 -0.0953)
OKLCH	oklch(39.54% 0.099 254.3)
XYZ	xyz(6.2168, 6.1439, 19.2668)
Luminance	0.0614 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B477A #7A4E1B

analogous

#1B777A #1B477A #1F1B7A

triadic

#1B477A #7A1B47 #477A1B

tetradic

#1B477A #7A1B77 #7A4E1B #1B7A1F

square

#1B477A #7A1B77 #7A4E1B #1B7A1F

split-complementary

#1B477A #7A1F1B #777A1B

monochromatic

#060F19 #102A48 #1B477A #2664AC #3C82D4

Accessibility & contrast

On white

9.42

#1B477A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#1B477A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B477A

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B477A	#FFFFFF	#000000	##FFFFFF
##1B477A	1.00	9.42	2.23	9.42
#FFFFFF	9.42	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4B7C

Deuteranopia (green-blind)

#1F4279

Tritanopia (blue-blind)

#00535A

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1b477a;
/* rgb */ color: rgb(27, 71, 122);
/* oklch */ color: oklch(39.5% 0.099 254.3);

Tailwind

colors: {
  custom: {
    50: '#6679a1',
    500: '#1b477a',
    950: '#000000',
  },
}

SCSS

$custom: #1b477a;
$custom-light: #6679a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1b477a",
  "rgb": {
    "r": 27,
    "g": 71,
    "b": 122
  },
  "hsl": {
    "h": 212.211,
    "s": 63.758,
    "l": 29.216
  },
  "oklch": {
    "l": 0.39544,
    "c": 0.09898,
    "h": 254.3
  },
  "luminance": 0.06145
}

Semantic roles & 50–950 ramp

primary

#1B477A

secondary

#AE7C43

accent

#9A41E7

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06090F

muted

#7A7B7E

Preview Lab

Preview with #1B477A

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

Preview Lab → · Contrast checker → · Palette generator →