#1B548A#1B548A

#1B548A is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.8% C 0.106 H 250.7°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#1B548A
RGB	rgb(27, 84, 138)
HSL	hsl(209, 67%, 32%)
HSV	hsv(209, 80%, 54%)
CMYK	cmyk(80.4%, 39.1%, 0%, 45.9%)
CIE-LAB	lab(34.82, 1.96, -35.23)
CIE-LCH	lch(34.82, 35.28, 273.19°)
OKLab	oklab(43.8% -0.0351 -0.1005)
OKLCH	oklch(43.8% 0.106 250.7)
XYZ	xyz(8.2080, 8.4077, 25.2301)
Luminance	0.0841 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B548A #8A511B

analogous

#1B8A89 #1B548A #1B1D8A

triadic

#1B548A #8A1B54 #548A1B

tetradic

#1B548A #891B8A #8A511B #1D8A1B

square

#1B548A #891B8A #8A511B #1D8A1B

split-complementary

#1B548A #8A1B1D #8A891B

monochromatic

#071624 #113557 #1B548A #2573BD #4592DB

Accessibility & contrast

On white

7.83

#1B548A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#1B548A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B548A

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B548A	#FFFFFF	#000000	##FFFFFF
##1B548A	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A578C

Deuteranopia (green-blind)

#294D89

Tritanopia (blue-blind)

#006168

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1b548a;
/* rgb */ color: rgb(27, 84, 138);
/* oklch */ color: oklch(43.8% 0.106 250.7);

Tailwind

colors: {
  custom: {
    50: '#6a83ac',
    500: '#1b548a',
    950: '#000000',
  },
}

SCSS

$custom: #1b548a;
$custom-light: #6a83ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1b548a",
  "rgb": {
    "r": 27,
    "g": 84,
    "b": 138
  },
  "hsl": {
    "h": 209.189,
    "s": 67.273,
    "l": 32.353
  },
  "oklch": {
    "l": 0.43796,
    "c": 0.10644,
    "h": 250.7
  },
  "luminance": 0.08409
}

Semantic roles & 50–950 ramp

primary

#1B548A

secondary

#BC7F45

accent

#923EEA

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1B548A

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

Preview Lab → · Contrast checker → · Palette generator →