#1F4763#1F4763

#1F4763 is a dark, moderate cyan. Relative luminance 0.057; OKLCH L 38.3% C 0.066 H 241.8°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#1F4763
RGB	rgb(31, 71, 99)
HSL	hsl(205, 52%, 25%)
HSV	hsv(205, 69%, 39%)
CMYK	cmyk(68.7%, 28.3%, 0%, 61.2%)
CIE-LAB	lab(28.64, -4.19, -20.59)
CIE-LCH	lch(28.64, 21.01, 258.49°)
OKLab	oklab(38.28% -0.031 -0.0579)
OKLCH	oklch(38.28% 0.066 241.8)
XYZ	xyz(5.0696, 5.6981, 12.6346)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4763 #633B1F

analogous

#1F635D #1F4763 #1F2563

triadic

#1F4763 #631F47 #47631F

tetradic

#1F4763 #5D1F63 #633B1F #25631F

square

#1F4763 #5D1F63 #633B1F #25631F

split-complementary

#1F4763 #631F25 #635D1F

monochromatic

#071117 #102634 #1F4763 #2E6892 #3C8AC0

Accessibility & contrast

On white

9.81

#1F4763 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#1F4763 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4763

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4763	#FFFFFF	#000000	##FFFFFF
##1F4763	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A4764

Deuteranopia (green-blind)

#314162

Tritanopia (blue-blind)

#004E51

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1f4763;
/* rgb */ color: rgb(31, 71, 99);
/* oklch */ color: oklch(38.3% 0.066 241.8);

Tailwind

colors: {
  custom: {
    50: '#637a8f',
    500: '#1f4763',
    950: '#000000',
  },
}

SCSS

$custom: #1f4763;
$custom-light: #637a8f;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4763",
  "rgb": {
    "r": 31,
    "g": 71,
    "b": 99
  },
  "hsl": {
    "h": 204.706,
    "s": 52.308,
    "l": 25.49
  },
  "oklch": {
    "l": 0.38275,
    "c": 0.06573,
    "h": 241.8
  },
  "luminance": 0.05699
}

Semantic roles & 50–950 ramp

primary

#1F4763

secondary

#986846

accent

#874CDC

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#06090C

muted

#7A7B7D

Preview Lab

Preview with #1F4763

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

Preview Lab → · Contrast checker → · Palette generator →