#1F4D89#1F4D89

#1F4D89 is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 42.2% C 0.112 H 256.4°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#1F4D89
RGB	rgb(31, 77, 137)
HSL	hsl(214, 63%, 33%)
HSV	hsv(214, 77%, 54%)
CMYK	cmyk(77.4%, 43.8%, 0%, 46.3%)
CIE-LAB	lab(32.71, 6.70, -37.97)
CIE-LCH	lch(32.71, 38.55, 280.00°)
OKLab	oklab(42.17% -0.0263 -0.1086)
OKLCH	oklch(42.17% 0.112 256.4)
XYZ	xyz(7.7326, 7.4043, 24.6837)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4D89 #895B1F

analogous

#1F8289 #1F4D89 #261F89

triadic

#1F4D89 #891F4D #4D891F

tetradic

#1F4D89 #891F82 #895B1F #1F8926

square

#1F4D89 #891F82 #895B1F #1F8926

split-complementary

#1F4D89 #89261F #82891F

monochromatic

#081525 #143157 #1F4D89 #2A69BB #4C88D6

Accessibility & contrast

On white

8.46

#1F4D89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#1F4D89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4D89

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4D89	#FFFFFF	#000000	##FFFFFF
##1F4D89	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F528B

Deuteranopia (green-blind)

#1C4888

Tritanopia (blue-blind)

#005B64

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1f4d89;
/* rgb */ color: rgb(31, 77, 137);
/* oklch */ color: oklch(42.2% 0.112 256.4);

Tailwind

colors: {
  custom: {
    50: '#6b7eac',
    500: '#1f4d89',
    950: '#000000',
  },
}

SCSS

$custom: #1f4d89;
$custom-light: #6b7eac;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4d89",
  "rgb": {
    "r": 31,
    "g": 77,
    "b": 137
  },
  "hsl": {
    "h": 213.962,
    "s": 63.095,
    "l": 32.941
  },
  "oklch": {
    "l": 0.42168,
    "c": 0.11177,
    "h": 256.4
  },
  "luminance": 0.07405
}

Semantic roles & 50–950 ramp

primary

#1F4D89

secondary

#B9894B

accent

#9F42E6

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #1F4D89

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

Preview Lab → · Contrast checker → · Palette generator →