#1C579C#1C579C

#1C579C is a mid, vivid cyan. Relative luminance 0.095; OKLCH L 45.8% C 0.127 H 255.0°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#1C579C
RGB	rgb(28, 87, 156)
HSL	hsl(212, 70%, 36%)
HSV	hsv(212, 82%, 61%)
CMYK	cmyk(82.1%, 44.2%, 0%, 38.8%)
CIE-LAB	lab(36.86, 7.30, -42.87)
CIE-LCH	lch(36.86, 43.48, 279.66°)
OKLab	oklab(45.75% -0.0329 -0.1229)
OKLCH	oklch(45.75% 0.127 255)
XYZ	xyz(9.8856, 9.4624, 32.7514)
Luminance	0.0946 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C579C #9C611C

analogous

#1C979C #1C579C #211C9C

triadic

#1C579C #9C1C57 #579C1C

tetradic

#1C579C #9C1C97 #9C611C #1C9C21

square

#1C579C #9C1C97 #9C611C #1C9C21

split-complementary

#1C579C #9C211C #979C1C

monochromatic

#091D34 #133A68 #1C579C #2574D0 #5294E0

Accessibility & contrast

On white

7.26

#1C579C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#1C579C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C579C

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C579C	#FFFFFF	#000000	##FFFFFF
##1C579C	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#345D9F

Deuteranopia (green-blind)

#1A519B

Tritanopia (blue-blind)

#006772

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1c579c;
/* rgb */ color: rgb(28, 87, 156);
/* oklch */ color: oklch(45.8% 0.127 255.0);

Tailwind

colors: {
  custom: {
    50: '#6e85ba',
    500: '#1c579c',
    950: '#000000',
  },
}

SCSS

$custom: #1c579c;
$custom-light: #6e85ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1c579c",
  "rgb": {
    "r": 28,
    "g": 87,
    "b": 156
  },
  "hsl": {
    "h": 212.344,
    "s": 69.565,
    "l": 36.078
  },
  "oklch": {
    "l": 0.4575,
    "c": 0.12719,
    "h": 255
  },
  "luminance": 0.09464
}

Semantic roles & 50–950 ramp

primary

#1C579C

secondary

#C38E51

accent

#9B3BEC

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B11

muted

#7B7C80

Preview Lab

Preview with #1C579C

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

Preview Lab → · Contrast checker → · Palette generator →