#1A559D#1A559D

#1A559D is a mid, vivid cyan. Relative luminance 0.092; OKLCH L 45.3% C 0.131 H 255.9°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#1A559D
RGB	rgb(26, 85, 157)
HSL	hsl(213, 72%, 36%)
HSV	hsv(213, 83%, 62%)
CMYK	cmyk(83.4%, 45.9%, 0%, 38.4%)
CIE-LAB	lab(36.27, 8.82, -44.41)
CIE-LCH	lch(36.27, 45.28, 281.23°)
OKLab	oklab(45.3% -0.0321 -0.1275)
OKLCH	oklch(45.3% 0.131 255.9)
XYZ	xyz(9.7580, 9.1497, 33.1435)
Luminance	0.0915 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A559D #9D621A

analogous

#1A969D #1A559D #201A9D

triadic

#1A559D #9D1A55 #559D1A

tetradic

#1A559D #9D1A96 #9D621A #1A9D20

square

#1A559D #9D1A96 #9D621A #1A9D20

split-complementary

#1A559D #9D201A #969D1A

monochromatic

#091C34 #113968 #1A559D #2371D2 #4F91E2

Accessibility & contrast

On white

7.42

#1A559D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#1A559D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A559D

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A559D	#FFFFFF	#000000	##FFFFFF
##1A559D	1.00	7.42	2.83	7.42
#FFFFFF	7.42	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F5CA0

Deuteranopia (green-blind)

#10509C

Tritanopia (blue-blind)

#006671

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #1a559d;
/* rgb */ color: rgb(26, 85, 157);
/* oklch */ color: oklch(45.3% 0.131 255.9);

Tailwind

colors: {
  custom: {
    50: '#6e84ba',
    500: '#1a559d',
    950: '#000000',
  },
}

SCSS

$custom: #1a559d;
$custom-light: #6e84ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1a559d",
  "rgb": {
    "r": 26,
    "g": 85,
    "b": 157
  },
  "hsl": {
    "h": 212.977,
    "s": 71.585,
    "l": 35.882
  },
  "oklch": {
    "l": 0.45299,
    "c": 0.13146,
    "h": 255.9
  },
  "luminance": 0.09151
}

Semantic roles & 50–950 ramp

primary

#1A559D

secondary

#C48F4E

accent

#9D39EE

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080A12

muted

#7B7C81

Preview Lab

Preview with #1A559D

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

Preview Lab → · Contrast checker → · Palette generator →