#1580A1#1580A1

#1580A1 is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.0% C 0.101 H 225.3°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#1580A1
RGB	rgb(21, 128, 161)
HSL	hsl(194, 77%, 36%)
HSV	hsv(194, 87%, 63%)
CMYK	cmyk(87%, 20.5%, 0%, 36.9%)
CIE-LAB	lab(49.70, -16.28, -25.60)
CIE-LCH	lch(49.70, 30.34, 237.55°)
OKLab	oklab(55.95% -0.0712 -0.072)
OKLCH	oklch(55.95% 0.101 225.3)
XYZ	xyz(14.4588, 18.1691, 36.4562)
Luminance	0.1817 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1580A1 #A13615

analogous

#15A17C #1580A1 #153AA1

triadic

#1580A1 #A11580 #80A115

tetradic

#1580A1 #7C15A1 #A13615 #3AA115

square

#1580A1 #7C15A1 #A13615 #3AA115

split-complementary

#1580A1 #A1153A #A17C15

monochromatic

#072A35 #0E556B #1580A1 #1CABD7 #49C2E7

Accessibility & contrast

On white

4.53

#1580A1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#1580A1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1580A1

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1580A1	#FFFFFF	#000000	##000000
##1580A1	1.00	4.53	4.63	4.63
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7DA3

Deuteranopia (green-blind)

#5C71A1

Tritanopia (blue-blind)

#008A8B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #1580a1;
/* rgb */ color: rgb(21, 128, 161);
/* oklch */ color: oklch(56.0% 0.101 225.3);

Tailwind

colors: {
  custom: {
    50: '#6fa5bd',
    500: '#1580a1',
    950: '#000000',
  },
}

SCSS

$custom: #1580a1;
$custom-light: #6fa5bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1580a1",
  "rgb": {
    "r": 21,
    "g": 128,
    "b": 161
  },
  "hsl": {
    "h": 194.143,
    "s": 76.923,
    "l": 35.686
  },
  "oklch": {
    "l": 0.55953,
    "c": 0.10127,
    "h": 225.3
  },
  "luminance": 0.18171
}

Semantic roles & 50–950 ramp

primary

#1580A1

secondary

#C86749

accent

#6134F3

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #1580A1

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

Preview Lab → · Contrast checker → · Palette generator →