#1578A0#1578A0

#1578A0 is a mid, moderate cyan. Relative luminance 0.161; OKLCH L 53.9% C 0.104 H 231.9°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#1578A0
RGB	rgb(21, 120, 160)
HSL	hsl(197, 77%, 35%)
HSV	hsv(197, 87%, 63%)
CMYK	cmyk(86.9%, 25%, 0%, 37.3%)
CIE-LAB	lab(47.14, -12.14, -28.99)
CIE-LCH	lch(47.14, 31.43, 247.28°)
OKLab	oklab(53.89% -0.0641 -0.0818)
OKLCH	oklch(53.89% 0.104 231.9)
XYZ	xyz(13.3683, 16.1287, 35.6595)
Luminance	0.1613 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1578A0 #A03D15

analogous

#15A082 #1578A0 #1532A0

triadic

#1578A0 #A01578 #78A015

tetradic

#1578A0 #8215A0 #A03D15 #32A015

square

#1578A0 #8215A0 #A03D15 #32A015

split-complementary

#1578A0 #A01532 #A08215

monochromatic

#072734 #0E4F6A #1578A0 #1CA1D6 #48B9E7

Accessibility & contrast

On white

4.97

#1578A0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#1578A0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1578A0

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1578A0	#FFFFFF	#000000	##FFFFFF
##1578A0	1.00	4.97	4.23	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6477A2

Deuteranopia (green-blind)

#526A9F

Tritanopia (blue-blind)

#008386

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #1578a0;
/* rgb */ color: rgb(21, 120, 160);
/* oklch */ color: oklch(53.9% 0.104 231.9);

Tailwind

colors: {
  custom: {
    50: '#6e9fbc',
    500: '#1578a0',
    950: '#000000',
  },
}

SCSS

$custom: #1578a0;
$custom-light: #6e9fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#1578a0",
  "rgb": {
    "r": 21,
    "g": 120,
    "b": 160
  },
  "hsl": {
    "h": 197.266,
    "s": 76.796,
    "l": 35.49
  },
  "oklch": {
    "l": 0.53891,
    "c": 0.10394,
    "h": 231.9
  },
  "luminance": 0.1613
}

Semantic roles & 50–950 ramp

primary

#1578A0

secondary

#C86D49

accent

#6B34F3

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #1578A0

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

Preview Lab → · Contrast checker → · Palette generator →