#1F5481#1F5481

#1F5481 is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.4% C 0.093 H 247.7°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#1F5481
RGB	rgb(31, 84, 129)
HSL	hsl(208, 61%, 31%)
HSV	hsv(208, 76%, 51%)
CMYK	cmyk(76%, 34.9%, 0%, 49.4%)
CIE-LAB	lab(34.43, -1.05, -30.31)
CIE-LCH	lch(34.43, 30.33, 268.01°)
OKLab	oklab(43.36% -0.0353 -0.0861)
OKLCH	oklch(43.36% 0.093 247.7)
XYZ	xyz(7.6963, 8.2161, 21.9449)
Luminance	0.0822 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5481 #814C1F

analogous

#1F817D #1F5481 #1F2381

triadic

#1F5481 #811F54 #54811F

tetradic

#1F5481 #7D1F81 #814C1F #23811F

square

#1F5481 #7D1F81 #814C1F #23811F

split-complementary

#1F5481 #811F23 #817D1F

monochromatic

#07141E #133450 #1F5481 #2B74B2 #4793D3

Accessibility & contrast

On white

7.94

#1F5481 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#1F5481 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5481

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5481	#FFFFFF	#000000	##FFFFFF
##1F5481	1.00	7.94	2.64	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F5683

Deuteranopia (green-blind)

#314D80

Tritanopia (blue-blind)

#005F64

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1f5481;
/* rgb */ color: rgb(31, 84, 129);
/* oklch */ color: oklch(43.4% 0.093 247.7);

Tailwind

colors: {
  custom: {
    50: '#6983a6',
    500: '#1f5481',
    950: '#000000',
  },
}

SCSS

$custom: #1f5481;
$custom-light: #6983a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5481",
  "rgb": {
    "r": 31,
    "g": 84,
    "b": 129
  },
  "hsl": {
    "h": 207.551,
    "s": 61.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.43359,
    "c": 0.09303,
    "h": 247.7
  },
  "luminance": 0.08217
}

Semantic roles & 50–950 ramp

primary

#1F5481

secondary

#B47948

accent

#8D43E4

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1F5481

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

Preview Lab → · Contrast checker → · Palette generator →