#1579A1#1579A1

#1579A1 is a mid, moderate cyan. Relative luminance 0.164; OKLCH L 54.2% C 0.104 H 231.7°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#1579A1
RGB	rgb(21, 121, 161)
HSL	hsl(197, 77%, 36%)
HSV	hsv(197, 87%, 63%)
CMYK	cmyk(87%, 24.8%, 0%, 36.9%)
CIE-LAB	lab(47.50, -12.34, -29.02)
CIE-LCH	lch(47.50, 31.53, 246.95°)
OKLab	oklab(54.19% -0.0647 -0.0819)
OKLCH	oklch(54.19% 0.104 231.7)
XYZ	xyz(13.5770, 16.4056, 36.1623)
Luminance	0.1641 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1579A1 #A13D15

analogous

#15A183 #1579A1 #1533A1

triadic

#1579A1 #A11579 #79A115

tetradic

#1579A1 #8315A1 #A13D15 #33A115

square

#1579A1 #8315A1 #A13D15 #33A115

split-complementary

#1579A1 #A11533 #A18315

monochromatic

#072835 #0E506B #1579A1 #1CA2D7 #49BAE7

Accessibility & contrast

On white

4.90

#1579A1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#1579A1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1579A1

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1579A1	#FFFFFF	#000000	##FFFFFF
##1579A1	1.00	4.90	4.28	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6578A3

Deuteranopia (green-blind)

#536BA0

Tritanopia (blue-blind)

#008487

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #1579a1;
/* rgb */ color: rgb(21, 121, 161);
/* oklch */ color: oklch(54.2% 0.104 231.7);

Tailwind

colors: {
  custom: {
    50: '#6e9fbd',
    500: '#1579a1',
    950: '#000000',
  },
}

SCSS

$custom: #1579a1;
$custom-light: #6e9fbd;
$custom-dark: #000000;

JSON

{
  "hex": "#1579a1",
  "rgb": {
    "r": 21,
    "g": 121,
    "b": 161
  },
  "hsl": {
    "h": 197.143,
    "s": 76.923,
    "l": 35.686
  },
  "oklch": {
    "l": 0.54193,
    "c": 0.10434,
    "h": 231.7
  },
  "luminance": 0.16407
}

Semantic roles & 50–950 ramp

primary

#1579A1

secondary

#C86E49

accent

#6B34F3

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #1579A1

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

Preview Lab → · Contrast checker → · Palette generator →