#1F569B#1F569B

#1F569B is a mid, vivid cyan. Relative luminance 0.093; OKLCH L 45.5% C 0.126 H 256.0°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#1F569B
RGB	rgb(31, 86, 155)
HSL	hsl(213, 67%, 36%)
HSV	hsv(213, 80%, 61%)
CMYK	cmyk(80%, 44.5%, 0%, 39.2%)
CIE-LAB	lab(36.58, 7.88, -42.71)
CIE-LCH	lch(36.58, 43.43, 280.46°)
OKLab	oklab(45.54% -0.0306 -0.1224)
OKLCH	oklch(45.54% 0.126 256)
XYZ	xyz(9.8071, 9.3123, 32.2846)
Luminance	0.0931 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F569B #9B641F

analogous

#1F949B #1F569B #261F9B

triadic

#1F569B #9B1F56 #569B1F

tetradic

#1F569B #9B1F94 #9B641F #1F9B26

square

#1F569B #9B1F94 #9B641F #1F9B26

split-complementary

#1F569B #9B261F #949B1F

monochromatic

#0B1D35 #153A68 #1F569B #2972CE #5793DD

Accessibility & contrast

On white

7.34

#1F569B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#1F569B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F569B

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F569B	#FFFFFF	#000000	##FFFFFF
##1F569B	1.00	7.34	2.86	7.34
#FFFFFF	7.34	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#335C9E

Deuteranopia (green-blind)

#1A519A

Tritanopia (blue-blind)

#006671

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1f569b;
/* rgb */ color: rgb(31, 86, 155);
/* oklch */ color: oklch(45.5% 0.126 256.0);

Tailwind

colors: {
  custom: {
    50: '#6f85b9',
    500: '#1f569b',
    950: '#000000',
  },
}

SCSS

$custom: #1f569b;
$custom-light: #6f85b9;
$custom-dark: #000000;

JSON

{
  "hex": "#1f569b",
  "rgb": {
    "r": 31,
    "g": 86,
    "b": 155
  },
  "hsl": {
    "h": 213.387,
    "s": 66.667,
    "l": 36.471
  },
  "oklch": {
    "l": 0.45535,
    "c": 0.12615,
    "h": 256
  },
  "luminance": 0.09313
}

Semantic roles & 50–950 ramp

primary

#1F569B

secondary

#C19155

accent

#9E3EEA

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B11

muted

#7B7C80

Preview Lab

Preview with #1F569B

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

Preview Lab → · Contrast checker → · Palette generator →