#1F147D#1F147D

#1F147D is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.1% C 0.163 H 275.0°. Best body text is #FFFFFF at 14.44:1 contrast (WCAG AA passes).

Color values

HEX	#1F147D
RGB	rgb(31, 20, 125)
HSL	hsl(246, 72%, 28%)
HSV	hsv(246, 84%, 49%)
CMYK	cmyk(75.2%, 84%, 0%, 51%)
CIE-LAB	lab(16.85, 39.48, -56.28)
CIE-LCH	lch(16.85, 68.75, 305.05°)
OKLab	oklab(30.08% 0.0141 -0.1627)
OKLCH	oklch(30.08% 0.163 275)
XYZ	xyz(4.5157, 2.2718, 19.5986)
Luminance	0.0227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F147D #727D14

analogous

#143D7D #1F147D #53147D

triadic

#1F147D #7D1F14 #147D1F

tetradic

#1F147D #7D143D #727D14 #147D53

square

#1F147D #7D143D #727D14 #147D53

split-complementary

#1F147D #7D5314 #3D7D14

monochromatic

#07041A #120C48 #1F147D #2C1CB2 #402EDE

Accessibility & contrast

On white

14.44

#1F147D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#1F147D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F147D

14.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F147D	#FFFFFF	#000000	##FFFFFF
##1F147D	1.00	14.44	1.45	14.44
#FFFFFF	14.44	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E80

Deuteranopia (green-blind)

#00257B

Tritanopia (blue-blind)

#003549

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1f147d;
/* rgb */ color: rgb(31, 20, 125);
/* oklch */ color: oklch(30.1% 0.163 275.0);

Tailwind

colors: {
  custom: {
    50: '#6c55a4',
    500: '#1f147d',
    950: '#000000',
  },
}

SCSS

$custom: #1f147d;
$custom-light: #6c55a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f147d",
  "rgb": {
    "r": 31,
    "g": 20,
    "b": 125
  },
  "hsl": {
    "h": 246.286,
    "s": 72.414,
    "l": 28.431
  },
  "oklch": {
    "l": 0.30075,
    "c": 0.16334,
    "h": 275
  },
  "luminance": 0.02272
}

Semantic roles & 50–950 ramp

primary

#1F147D

secondary

#A6B23A

accent

#EF39DC

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #1F147D

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

Preview Lab → · Contrast checker → · Palette generator →