#1F4983#1F4983

#1F4983 is a dark, moderate cyan. Relative luminance 0.067; OKLCH L 40.8% C 0.108 H 257.2°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#1F4983
RGB	rgb(31, 73, 131)
HSL	hsl(215, 62%, 32%)
HSV	hsv(215, 76%, 51%)
CMYK	cmyk(76.3%, 44.3%, 0%, 48.6%)
CIE-LAB	lab(31.10, 6.99, -36.84)
CIE-LCH	lch(31.10, 37.50, 280.74°)
OKLab	oklab(40.8% -0.0239 -0.1054)
OKLCH	oklch(40.8% 0.108 257.2)
XYZ	xyz(7.0429, 6.6943, 22.3893)
Luminance	0.0669 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4983 #83591F

analogous

#1F7B83 #1F4983 #271F83

triadic

#1F4983 #831F49 #49831F

tetradic

#1F4983 #831F7B #83591F #1F8327

square

#1F4983 #831F7B #83591F #1F8327

split-complementary

#1F4983 #83271F #7B831F

monochromatic

#081220 #132D52 #1F4983 #2B65B4 #4983D4

Accessibility & contrast

On white

8.98

#1F4983 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#1F4983 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4983

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4983	#FFFFFF	#000000	##FFFFFF
##1F4983	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4E85

Deuteranopia (green-blind)

#1A4582

Tritanopia (blue-blind)

#00575F

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1f4983;
/* rgb */ color: rgb(31, 73, 131);
/* oklch */ color: oklch(40.8% 0.108 257.2);

Tailwind

colors: {
  custom: {
    50: '#697ba7',
    500: '#1f4983',
    950: '#000000',
  },
}

SCSS

$custom: #1f4983;
$custom-light: #697ba7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4983",
  "rgb": {
    "r": 31,
    "g": 73,
    "b": 131
  },
  "hsl": {
    "h": 214.8,
    "s": 61.728,
    "l": 31.765
  },
  "oklch": {
    "l": 0.40798,
    "c": 0.10805,
    "h": 257.2
  },
  "luminance": 0.06695
}

Semantic roles & 50–950 ramp

primary

#1F4983

secondary

#B68848

accent

#A143E5

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1F4983

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

Preview Lab → · Contrast checker → · Palette generator →