#1F568B#1F568B

#1F568B is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.5% C 0.104 H 250.7°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#1F568B
RGB	rgb(31, 86, 139)
HSL	hsl(209, 64%, 33%)
HSV	hsv(209, 78%, 55%)
CMYK	cmyk(77.7%, 38.1%, 0%, 45.5%)
CIE-LAB	lab(35.62, 1.56, -34.56)
CIE-LCH	lch(35.62, 34.60, 272.59°)
OKLab	oklab(44.47% -0.0344 -0.0985)
OKLCH	oklch(44.47% 0.104 250.7)
XYZ	xyz(8.5513, 8.8100, 25.6709)
Luminance	0.0881 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F568B #8B541F

analogous

#1F8B8A #1F568B #1F208B

triadic

#1F568B #8B1F56 #568B1F

tetradic

#1F568B #8A1F8B #8B541F #208B1F

square

#1F568B #8A1F8B #8B541F #208B1F

split-complementary

#1F568B #8B1F20 #8B8A1F

monochromatic

#091827 #143759 #1F568B #2A75BD #4D93D7

Accessibility & contrast

On white

7.60

#1F568B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#1F568B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F568B

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F568B	#FFFFFF	#000000	##FFFFFF
##1F568B	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D598D

Deuteranopia (green-blind)

#2D4F8A

Tritanopia (blue-blind)

#00636A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1f568b;
/* rgb */ color: rgb(31, 86, 139);
/* oklch */ color: oklch(44.5% 0.104 250.7);

Tailwind

colors: {
  custom: {
    50: '#6b85ad',
    500: '#1f568b',
    950: '#000000',
  },
}

SCSS

$custom: #1f568b;
$custom-light: #6b85ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1f568b",
  "rgb": {
    "r": 31,
    "g": 86,
    "b": 139
  },
  "hsl": {
    "h": 209.444,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.44473,
    "c": 0.1043,
    "h": 250.7
  },
  "luminance": 0.08811
}

Semantic roles & 50–950 ramp

primary

#1F568B

secondary

#BA824C

accent

#9241E7

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#080B10

muted

#7A7C7F

Preview Lab

Preview with #1F568B

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

Preview Lab → · Contrast checker → · Palette generator →