#1F5477#1F5477

#1F5477 is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 42.8% C 0.080 H 241.3°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#1F5477
RGB	rgb(31, 84, 119)
HSL	hsl(204, 59%, 29%)
HSV	hsv(204, 74%, 47%)
CMYK	cmyk(73.9%, 29.4%, 0%, 53.3%)
CIE-LAB	lab(33.91, -4.89, -24.96)
CIE-LCH	lch(33.91, 25.43, 258.91°)
OKLab	oklab(42.78% -0.0386 -0.0705)
OKLCH	oklch(42.78% 0.08 241.3)
XYZ	xyz(7.0639, 7.9631, 18.6139)
Luminance	0.0796 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5477 #77421F

analogous

#1F776E #1F5477 #1F2877

triadic

#1F5477 #771F54 #54771F

tetradic

#1F5477 #6E1F77 #77421F #28771F

square

#1F5477 #6E1F77 #77421F #28771F

split-complementary

#1F5477 #771F28 #776E1F

monochromatic

#061118 #123246 #1F5477 #2C76A8 #4396CE

Accessibility & contrast

On white

8.10

#1F5477 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#1F5477 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5477

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5477	#FFFFFF	#000000	##FFFFFF
##1F5477	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#445479

Deuteranopia (green-blind)

#384C76

Tritanopia (blue-blind)

#005D60

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1f5477;
/* rgb */ color: rgb(31, 84, 119);
/* oklch */ color: oklch(42.8% 0.080 241.3);

Tailwind

colors: {
  custom: {
    50: '#67849e',
    500: '#1f5477',
    950: '#000000',
  },
}

SCSS

$custom: #1f5477;
$custom-light: #67849e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5477",
  "rgb": {
    "r": 31,
    "g": 84,
    "b": 119
  },
  "hsl": {
    "h": 203.864,
    "s": 58.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.42775,
    "c": 0.08033,
    "h": 241.3
  },
  "luminance": 0.07964
}

Semantic roles & 50–950 ramp

primary

#1F5477

secondary

#AB6F47

accent

#8446E2

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#070A0E

muted

#7A7C7E

Preview Lab

Preview with #1F5477

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

Preview Lab → · Contrast checker → · Palette generator →