#1A579F#1A579F

#1A579F is a mid, vivid cyan. Relative luminance 0.095; OKLCH L 45.9% C 0.132 H 255.4°. Best body text is #FFFFFF at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#1A579F
RGB	rgb(26, 87, 159)
HSL	hsl(212, 72%, 36%)
HSV	hsv(212, 84%, 62%)
CMYK	cmyk(83.6%, 45.3%, 0%, 37.6%)
CIE-LAB	lab(37.00, 8.30, -44.44)
CIE-LCH	lch(37.00, 45.21, 280.58°)
OKLab	oklab(45.91% -0.0333 -0.1275)
OKLCH	oklch(45.91% 0.132 255.4)
XYZ	xyz(10.0899, 9.5380, 34.1034)
Luminance	0.0954 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A579F #9F621A

analogous

#1A9A9F #1A579F #1F1A9F

triadic

#1A579F #9F1A57 #579F1A

tetradic

#1A579F #9F1A9A #9F621A #1A9F1F

square

#1A579F #9F1A9A #9F621A #1A9F1F

split-complementary

#1A579F #9F1F1A #9A9F1A

monochromatic

#091D36 #113A6A #1A579F #2374D4 #5194E3

Accessibility & contrast

On white

7.22

#1A579F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#1A579F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A579F

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A579F	#FFFFFF	#000000	##FFFFFF
##1A579F	1.00	7.22	2.91	7.22
#FFFFFF	7.22	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#315DA2

Deuteranopia (green-blind)

#14529E

Tritanopia (blue-blind)

#006873

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1a579f;
/* rgb */ color: rgb(26, 87, 159);
/* oklch */ color: oklch(45.9% 0.132 255.4);

Tailwind

colors: {
  custom: {
    50: '#6e85bc',
    500: '#1a579f',
    950: '#000000',
  },
}

SCSS

$custom: #1a579f;
$custom-light: #6e85bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1a579f",
  "rgb": {
    "r": 26,
    "g": 87,
    "b": 159
  },
  "hsl": {
    "h": 212.481,
    "s": 71.892,
    "l": 36.275
  },
  "oklch": {
    "l": 0.45906,
    "c": 0.1318,
    "h": 255.4
  },
  "luminance": 0.09539
}

Semantic roles & 50–950 ramp

primary

#1A579F

secondary

#C58F50

accent

#9B39EF

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B12

muted

#7B7C81

Preview Lab

Preview with #1A579F

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

Preview Lab → · Contrast checker → · Palette generator →