#1F556D#1F556D

#1F556D is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.5% C 0.069 H 230.7°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#1F556D
RGB	rgb(31, 85, 109)
HSL	hsl(198, 56%, 27%)
HSV	hsv(198, 72%, 43%)
CMYK	cmyk(71.6%, 22%, 0%, 57.3%)
CIE-LAB	lab(33.76, -9.24, -18.96)
CIE-LCH	lch(33.76, 21.09, 244.03°)
OKLab	oklab(42.5% -0.0434 -0.0531)
OKLCH	oklch(42.5% 0.069 230.7)
XYZ	xyz(6.5728, 7.8917, 15.6419)
Luminance	0.0789 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F556D #6D371F

analogous

#1F6D5E #1F556D #1F2E6D

triadic

#1F556D #6D1F55 #556D1F

tetradic

#1F556D #5E1F6D #6D371F #2E6D1F

square

#1F556D #5E1F6D #6D371F #2E6D1F

split-complementary

#1F556D #6D1F2E #6D5E1F

monochromatic

#071318 #11303D #1F556D #2D7A9D #3E9EC8

Accessibility & contrast

On white

8.14

#1F556D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#1F556D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F556D

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F556D	#FFFFFF	#000000	##FFFFFF
##1F556D	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49546E

Deuteranopia (green-blind)

#3E4C6D

Tritanopia (blue-blind)

#005C5D

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1f556d;
/* rgb */ color: rgb(31, 85, 109);
/* oklch */ color: oklch(42.5% 0.069 230.7);

Tailwind

colors: {
  custom: {
    50: '#658497',
    500: '#1f556d',
    950: '#000000',
  },
}

SCSS

$custom: #1f556d;
$custom-light: #658497;
$custom-dark: #000000;

JSON

{
  "hex": "#1f556d",
  "rgb": {
    "r": 31,
    "g": 85,
    "b": 109
  },
  "hsl": {
    "h": 198.462,
    "s": 55.714,
    "l": 27.451
  },
  "oklch": {
    "l": 0.42498,
    "c": 0.06865,
    "h": 230.7
  },
  "luminance": 0.07892
}

Semantic roles & 50–950 ramp

primary

#1F556D

secondary

#A16347

accent

#7749DF

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #1F556D

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

Preview Lab → · Contrast checker → · Palette generator →