#1F2F60#1F2F60

#1F2F60 is a dark, moderate blue. Relative luminance 0.032; OKLCH L 32.0% C 0.089 H 267.6°. Best body text is #FFFFFF at 12.85:1 contrast (WCAG AA passes).

Color values

HEX	#1F2F60
RGB	rgb(31, 47, 96)
HSL	hsl(225, 51%, 25%)
HSV	hsv(225, 68%, 38%)
CMYK	cmyk(67.7%, 51%, 0%, 62.4%)
CIE-LAB	lab(20.71, 11.12, -31.20)
CIE-LCH	lch(20.71, 33.12, 289.62°)
OKLab	oklab(32.04% -0.0038 -0.0893)
OKLCH	oklch(32.04% 0.089 267.6)
XYZ	xyz(3.6922, 3.1685, 11.4811)
Luminance	0.0317 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2F60 #60501F

analogous

#1F4F60 #1F2F60 #301F60

triadic

#1F2F60 #601F2F #2F601F

tetradic

#1F2F60 #601F4F #60501F #1F6030

square

#1F2F60 #601F4F #60501F #1F6030

split-complementary

#1F2F60 #60301F #4F601F

monochromatic

#070B17 #101832 #1F2F60 #2E468E #3D5CBD

Accessibility & contrast

On white

12.85

#1F2F60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#1F2F60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2F60

12.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2F60	#FFFFFF	#000000	##FFFFFF
##1F2F60	1.00	12.85	1.63	12.85
#FFFFFF	12.85	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#163562

Deuteranopia (green-blind)

#092F5F

Tritanopia (blue-blind)

#003A42

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1f2f60;
/* rgb */ color: rgb(31, 47, 96);
/* oklch */ color: oklch(32.0% 0.089 267.6);

Tailwind

colors: {
  custom: {
    50: '#62678d',
    500: '#1f2f60',
    950: '#000000',
  },
}

SCSS

$custom: #1f2f60;
$custom-light: #62678d;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2f60",
  "rgb": {
    "r": 31,
    "g": 47,
    "b": 96
  },
  "hsl": {
    "h": 225.231,
    "s": 51.181,
    "l": 24.902
  },
  "oklch": {
    "l": 0.32043,
    "c": 0.08934,
    "h": 267.6
  },
  "luminance": 0.03169
}

Semantic roles & 50–950 ramp

primary

#1F2F60

secondary

#958146

accent

#B84DDB

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#05060C

muted

#7A7A7D

Preview Lab

Preview with #1F2F60

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

Preview Lab → · Contrast checker → · Palette generator →