#1D548A#1D548A

#1D548A is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.9% C 0.106 H 251.3°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#1D548A
RGB	rgb(29, 84, 138)
HSL	hsl(210, 65%, 33%)
HSV	hsv(210, 79%, 54%)
CMYK	cmyk(79%, 39.1%, 0%, 45.9%)
CIE-LAB	lab(34.87, 2.21, -35.13)
CIE-LCH	lch(34.87, 35.20, 273.60°)
OKLab	oklab(43.86% -0.034 -0.1002)
OKLCH	oklch(43.86% 0.106 251.3)
XYZ	xyz(8.2627, 8.4359, 25.2326)
Luminance	0.0844 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D548A #8A531D

analogous

#1D8A89 #1D548A #1D1D8A

triadic

#1D548A #8A1D54 #548A1D

tetradic

#1D548A #891D8A #8A531D #1D8A1D

square

#1D548A #891D8A #8A531D #1D8A1D

split-complementary

#1D548A #8A1D1D #8A891D

monochromatic

#081625 #123557 #1D548A #2873BD #4991D9

Accessibility & contrast

On white

7.81

#1D548A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#1D548A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D548A

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D548A	#FFFFFF	#000000	##FFFFFF
##1D548A	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B578C

Deuteranopia (green-blind)

#2A4D89

Tritanopia (blue-blind)

#006168

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1d548a;
/* rgb */ color: rgb(29, 84, 138);
/* oklch */ color: oklch(43.9% 0.106 251.3);

Tailwind

colors: {
  custom: {
    50: '#6a83ac',
    500: '#1d548a',
    950: '#000000',
  },
}

SCSS

$custom: #1d548a;
$custom-light: #6a83ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1d548a",
  "rgb": {
    "r": 29,
    "g": 84,
    "b": 138
  },
  "hsl": {
    "h": 209.725,
    "s": 65.269,
    "l": 32.745
  },
  "oklch": {
    "l": 0.43857,
    "c": 0.10579,
    "h": 251.3
  },
  "luminance": 0.08437
}

Semantic roles & 50–950 ramp

primary

#1D548A

secondary

#BB8148

accent

#9340E8

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1D548A

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

Preview Lab → · Contrast checker → · Palette generator →