#1B549F#1B549F

#1B549F is a mid, vivid cyan. Relative luminance 0.091; OKLCH L 45.2% C 0.135 H 257.0°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#1B549F
RGB	rgb(27, 84, 159)
HSL	hsl(214, 71%, 36%)
HSV	hsv(214, 83%, 62%)
CMYK	cmyk(83%, 47.2%, 0%, 37.6%)
CIE-LAB	lab(36.13, 10.38, -45.84)
CIE-LCH	lch(36.13, 47.00, 282.76°)
OKLab	oklab(45.24% -0.0304 -0.1317)
OKLCH	oklch(45.24% 0.135 257)
XYZ	xyz(9.8780, 9.0757, 34.0253)
Luminance	0.0908 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B549F #9F661B

analogous

#1B969F #1B549F #241B9F

triadic

#1B549F #9F1B54 #549F1B

tetradic

#1B549F #9F1B96 #9F661B #1B9F24

square

#1B549F #9F1B96 #9F661B #1B9F24

split-complementary

#1B549F #9F241B #969F1B

monochromatic

#091D36 #12386B #1B549F #2470D3 #5390E2

Accessibility & contrast

On white

7.46

#1B549F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#1B549F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B549F

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B549F	#FFFFFF	#000000	##FFFFFF
##1B549F	1.00	7.46	2.82	7.46
#FFFFFF	7.46	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B5BA2

Deuteranopia (green-blind)

#044F9E

Tritanopia (blue-blind)

#006672

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #1b549f;
/* rgb */ color: rgb(27, 84, 159);
/* oklch */ color: oklch(45.2% 0.135 257.0);

Tailwind

colors: {
  custom: {
    50: '#6e83bc',
    500: '#1b549f',
    950: '#000000',
  },
}

SCSS

$custom: #1b549f;
$custom-light: #6e83bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1b549f",
  "rgb": {
    "r": 27,
    "g": 84,
    "b": 159
  },
  "hsl": {
    "h": 214.091,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.4524,
    "c": 0.13515,
    "h": 257
  },
  "luminance": 0.09077
}

Semantic roles & 50–950 ramp

primary

#1B549F

secondary

#C59351

accent

#A03AEE

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A12

muted

#7B7C81

Preview Lab

Preview with #1B549F

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

Preview Lab → · Contrast checker → · Palette generator →