#1577A1#1577A1

#1577A1 is a mid, moderate cyan. Relative luminance 0.159; OKLCH L 53.7% C 0.105 H 233.5°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#1577A1
RGB	rgb(21, 119, 161)
HSL	hsl(198, 77%, 36%)
HSV	hsv(198, 87%, 63%)
CMYK	cmyk(87%, 26.1%, 0%, 36.9%)
CIE-LAB	lab(46.88, -11.20, -30.00)
CIE-LCH	lch(46.88, 32.02, 249.53°)
OKLab	oklab(53.69% -0.0628 -0.0848)
OKLCH	oklch(53.69% 0.105 233.5)
XYZ	xyz(13.3365, 15.9246, 36.0821)
Luminance	0.1593 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1577A1 #A13F15

analogous

#15A185 #1577A1 #1531A1

triadic

#1577A1 #A11577 #77A115

tetradic

#1577A1 #8515A1 #A13F15 #31A115

square

#1577A1 #8515A1 #A13F15 #31A115

split-complementary

#1577A1 #A11531 #A18515

monochromatic

#072735 #0E4F6B #1577A1 #1C9FD7 #49B8E7

Accessibility & contrast

On white

5.02

#1577A1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#1577A1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1577A1

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1577A1	#FFFFFF	#000000	##FFFFFF
##1577A1	1.00	5.02	4.19	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6276A3

Deuteranopia (green-blind)

#506AA0

Tritanopia (blue-blind)

#008285

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #1577a1;
/* rgb */ color: rgb(21, 119, 161);
/* oklch */ color: oklch(53.7% 0.105 233.5);

Tailwind

colors: {
  custom: {
    50: '#6e9ebd',
    500: '#1577a1',
    950: '#000000',
  },
}

SCSS

$custom: #1577a1;
$custom-light: #6e9ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#1577a1",
  "rgb": {
    "r": 21,
    "g": 119,
    "b": 161
  },
  "hsl": {
    "h": 198,
    "s": 76.923,
    "l": 35.686
  },
  "oklch": {
    "l": 0.53692,
    "c": 0.10548,
    "h": 233.5
  },
  "luminance": 0.15926
}

Semantic roles & 50–950 ramp

primary

#1577A1

secondary

#C86F49

accent

#6E34F3

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #1577A1

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

Preview Lab → · Contrast checker → · Palette generator →