#1F4D83#1F4D83

#1F4D83 is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.8% C 0.103 H 254.4°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#1F4D83
RGB	rgb(31, 77, 131)
HSL	hsl(212, 62%, 32%)
HSV	hsv(212, 76%, 51%)
CMYK	cmyk(76.3%, 41.2%, 0%, 48.6%)
CIE-LAB	lab(32.34, 4.31, -34.86)
CIE-LCH	lch(32.34, 35.13, 277.05°)
OKLab	oklab(41.76% -0.0278 -0.0995)
OKLCH	oklch(41.76% 0.103 254.4)
XYZ	xyz(7.3142, 7.2369, 22.4797)
Luminance	0.0724 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4D83 #83551F

analogous

#1F7F83 #1F4D83 #231F83

triadic

#1F4D83 #831F4D #4D831F

tetradic

#1F4D83 #831F7F #83551F #1F8323

square

#1F4D83 #831F7F #83551F #1F8323

split-complementary

#1F4D83 #83231F #7F831F

monochromatic

#081320 #133052 #1F4D83 #2B6AB4 #4989D4

Accessibility & contrast

On white

8.58

#1F4D83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#1F4D83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4D83

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4D83	#FFFFFF	#000000	##FFFFFF
##1F4D83	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#335185

Deuteranopia (green-blind)

#234882

Tritanopia (blue-blind)

#005A61

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1f4d83;
/* rgb */ color: rgb(31, 77, 131);
/* oklch */ color: oklch(41.8% 0.103 254.4);

Tailwind

colors: {
  custom: {
    50: '#697ea7',
    500: '#1f4d83',
    950: '#000000',
  },
}

SCSS

$custom: #1f4d83;
$custom-light: #697ea7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4d83",
  "rgb": {
    "r": 31,
    "g": 77,
    "b": 131
  },
  "hsl": {
    "h": 212.4,
    "s": 61.728,
    "l": 31.765
  },
  "oklch": {
    "l": 0.41761,
    "c": 0.1033,
    "h": 254.4
  },
  "luminance": 0.07238
}

Semantic roles & 50–950 ramp

primary

#1F4D83

secondary

#B68348

accent

#9A43E5

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1F4D83

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

Preview Lab → · Contrast checker → · Palette generator →