#1F4469#1F4469

#1F4469 is a dark, moderate cyan. Relative luminance 0.054; OKLCH L 37.9% C 0.077 H 250.5°. Best body text is #FFFFFF at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#1F4469
RGB	rgb(31, 68, 105)
HSL	hsl(210, 54%, 27%)
HSV	hsv(210, 70%, 41%)
CMYK	cmyk(70.5%, 35.2%, 0%, 58.8%)
CIE-LAB	lab(27.97, 0.07, -25.48)
CIE-LCH	lch(27.97, 25.48, 270.16°)
OKLab	oklab(37.85% -0.0255 -0.0722)
OKLCH	oklch(37.85% 0.077 250.5)
XYZ	xyz(5.1811, 5.4449, 14.1398)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4469 #69441F

analogous

#1F6969 #1F4469 #1F1F69

triadic

#1F4469 #691F44 #44691F

tetradic

#1F4469 #691F69 #69441F #1F691F

square

#1F4469 #691F69 #69441F #1F691F

split-complementary

#1F4469 #691F1F #69691F

monochromatic

#070F18 #11253A #1F4469 #2D6398 #3D81C6

Accessibility & contrast

On white

10.05

#1F4469 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#1F4469 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4469

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4469	#FFFFFF	#000000	##FFFFFF
##1F4469	1.00	10.05	2.09	10.05
#FFFFFF	10.05	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34466B

Deuteranopia (green-blind)

#293F68

Tritanopia (blue-blind)

#004D51

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1f4469;
/* rgb */ color: rgb(31, 68, 105);
/* oklch */ color: oklch(37.9% 0.077 250.5);

Tailwind

colors: {
  custom: {
    50: '#647794',
    500: '#1f4469',
    950: '#000000',
  },
}

SCSS

$custom: #1f4469;
$custom-light: #647794;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4469",
  "rgb": {
    "r": 31,
    "g": 68,
    "b": 105
  },
  "hsl": {
    "h": 210,
    "s": 54.412,
    "l": 26.667
  },
  "oklch": {
    "l": 0.3785,
    "c": 0.07654,
    "h": 250.5
  },
  "luminance": 0.05445
}

Semantic roles & 50–950 ramp

primary

#1F4469

secondary

#9D7247

accent

#944ADE

background

#F6F7F9

surface

#EBEDF1

border

#C6C8CB

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #1F4469

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

Preview Lab → · Contrast checker → · Palette generator →