#1F547F#1F547F

#1F547F is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.2% C 0.090 H 246.6°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#1F547F
RGB	rgb(31, 84, 127)
HSL	hsl(207, 61%, 31%)
HSV	hsv(207, 76%, 50%)
CMYK	cmyk(75.6%, 33.9%, 0%, 50.2%)
CIE-LAB	lab(34.32, -1.83, -29.25)
CIE-LCH	lch(34.32, 29.31, 266.43°)
OKLab	oklab(43.24% -0.0359 -0.083)
OKLCH	oklch(43.24% 0.09 246.6)
XYZ	xyz(7.5647, 8.1634, 21.2516)
Luminance	0.0816 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F547F #7F4A1F

analogous

#1F7F7A #1F547F #1F247F

triadic

#1F547F #7F1F54 #547F1F

tetradic

#1F547F #7A1F7F #7F4A1F #247F1F

square

#1F547F #7A1F7F #7F4A1F #247F1F

split-complementary

#1F547F #7F1F24 #7F7A1F

monochromatic

#07131D #13334E #1F547F #2B75B0 #4693D2

Accessibility & contrast

On white

7.98

#1F547F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#1F547F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F547F

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F547F	#FFFFFF	#000000	##FFFFFF
##1F547F	1.00	7.98	2.63	7.98
#FFFFFF	7.98	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#405681

Deuteranopia (green-blind)

#334D7E

Tritanopia (blue-blind)

#005E63

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1f547f;
/* rgb */ color: rgb(31, 84, 127);
/* oklch */ color: oklch(43.2% 0.090 246.6);

Tailwind

colors: {
  custom: {
    50: '#6883a4',
    500: '#1f547f',
    950: '#000000',
  },
}

SCSS

$custom: #1f547f;
$custom-light: #6883a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f547f",
  "rgb": {
    "r": 31,
    "g": 84,
    "b": 127
  },
  "hsl": {
    "h": 206.875,
    "s": 60.759,
    "l": 30.98
  },
  "oklch": {
    "l": 0.43239,
    "c": 0.09042,
    "h": 246.6
  },
  "luminance": 0.08164
}

Semantic roles & 50–950 ramp

primary

#1F547F

secondary

#B27748

accent

#8C44E4

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1F547F

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

Preview Lab → · Contrast checker → · Palette generator →