#1F5779#1F5779

#1F5779 is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.7% C 0.080 H 239.3°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#1F5779
RGB	rgb(31, 87, 121)
HSL	hsl(203, 59%, 30%)
HSV	hsv(203, 74%, 47%)
CMYK	cmyk(74.4%, 28.1%, 0%, 52.5%)
CIE-LAB	lab(34.98, -6.01, -24.52)
CIE-LCH	lch(34.98, 25.24, 256.23°)
OKLab	oklab(43.66% -0.0411 -0.0692)
OKLCH	oklch(43.66% 0.08 239.3)
XYZ	xyz(7.4231, 8.4873, 19.3325)
Luminance	0.0849 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5779 #79411F

analogous

#1F796E #1F5779 #1F2A79

triadic

#1F5779 #791F57 #57791F

tetradic

#1F5779 #6E1F79 #79411F #2A791F

square

#1F5779 #6E1F79 #79411F #2A791F

split-complementary

#1F5779 #791F2A #796E1F

monochromatic

#061218 #133448 #1F5779 #2B7AAA #439ACF

Accessibility & contrast

On white

7.78

#1F5779 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#1F5779 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5779

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5779	#FFFFFF	#000000	##FFFFFF
##1F5779	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47577B

Deuteranopia (green-blind)

#3B4E78

Tritanopia (blue-blind)

#006063

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1f5779;
/* rgb */ color: rgb(31, 87, 121);
/* oklch */ color: oklch(43.7% 0.080 239.3);

Tailwind

colors: {
  custom: {
    50: '#6786a0',
    500: '#1f5779',
    950: '#000000',
  },
}

SCSS

$custom: #1f5779;
$custom-light: #6786a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5779",
  "rgb": {
    "r": 31,
    "g": 87,
    "b": 121
  },
  "hsl": {
    "h": 202.667,
    "s": 59.211,
    "l": 29.804
  },
  "oklch": {
    "l": 0.43657,
    "c": 0.08046,
    "h": 239.3
  },
  "luminance": 0.08488
}

Semantic roles & 50–950 ramp

primary

#1F5779

secondary

#AC6E47

accent

#8145E2

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#070B0E

muted

#7A7C7E

Preview Lab

Preview with #1F5779

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

Preview Lab → · Contrast checker → · Palette generator →