#1C5789#1C5789

#1C5789 is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.5% C 0.102 H 248.2°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#1C5789
RGB	rgb(28, 87, 137)
HSL	hsl(208, 66%, 32%)
HSV	hsv(208, 80%, 54%)
CMYK	cmyk(79.6%, 36.5%, 0%, 46.3%)
CIE-LAB	lab(35.73, -0.25, -33.17)
CIE-LCH	lch(35.73, 33.17, 269.57°)
OKLab	oklab(44.5% -0.0377 -0.0944)
OKLCH	oklch(44.5% 0.102 248.2)
XYZ	xyz(8.4007, 8.8684, 24.9311)
Luminance	0.0887 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5789 #894E1C

analogous

#1C8985 #1C5789 #1C2089

triadic

#1C5789 #891C57 #57891C

tetradic

#1C5789 #851C89 #894E1C #20891C

square

#1C5789 #851C89 #894E1C #20891C

split-complementary

#1C5789 #891C20 #89851C

monochromatic

#071623 #123756 #1C5789 #2677BC #4696D9

Accessibility & contrast

On white

7.57

#1C5789 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#1C5789 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5789

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5789	#FFFFFF	#000000	##FFFFFF
##1C5789	1.00	7.57	2.77	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#405A8B

Deuteranopia (green-blind)

#305088

Tritanopia (blue-blind)

#006369

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1c5789;
/* rgb */ color: rgb(28, 87, 137);
/* oklch */ color: oklch(44.5% 0.102 248.2);

Tailwind

colors: {
  custom: {
    50: '#6a86ac',
    500: '#1c5789',
    950: '#000000',
  },
}

SCSS

$custom: #1c5789;
$custom-light: #6a86ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5789",
  "rgb": {
    "r": 28,
    "g": 87,
    "b": 137
  },
  "hsl": {
    "h": 207.523,
    "s": 66.061,
    "l": 32.353
  },
  "oklch": {
    "l": 0.44501,
    "c": 0.10163,
    "h": 248.2
  },
  "luminance": 0.08869
}

Semantic roles & 50–950 ramp

primary

#1C5789

secondary

#BB7C46

accent

#8D3FE9

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #1C5789

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

Preview Lab → · Contrast checker → · Palette generator →