#1F207D#1F207D

#1F207D is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.8% C 0.152 H 273.2°. Best body text is #FFFFFF at 13.45:1 contrast (WCAG AA passes).

Color values

HEX	#1F207D
RGB	rgb(31, 32, 125)
HSL	hsl(239, 60%, 31%)
HSV	hsv(239, 75%, 49%)
CMYK	cmyk(75.2%, 74.4%, 0%, 51%)
CIE-LAB	lab(19.24, 32.67, -52.33)
CIE-LCH	lch(19.24, 61.69, 301.98°)
OKLab	oklab(31.76% 0.0084 -0.1514)
OKLCH	oklch(31.76% 0.152 273.2)
XYZ	xyz(4.7820, 2.8045, 19.6874)
Luminance	0.0280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F207D #7D7C1F

analogous

#1F4F7D #1F207D #4D1F7D

triadic

#1F207D #7D1F20 #207D1F

tetradic

#1F207D #7D1F4F #7D7C1F #1F7D4D

square

#1F207D #7D1F4F #7D7C1F #1F7D4D

split-complementary

#1F207D #7D4D1F #4F7D1F

monochromatic

#07071B #13134C #1F207D #2B2DAE #4547D1

Accessibility & contrast

On white

13.45

#1F207D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1F207D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F207D

13.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F207D	#FFFFFF	#000000	##FFFFFF
##1F207D	1.00	13.45	1.56	13.45
#FFFFFF	13.45	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003380

Deuteranopia (green-blind)

#002A7B

Tritanopia (blue-blind)

#003A4C

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1f207d;
/* rgb */ color: rgb(31, 32, 125);
/* oklch */ color: oklch(31.8% 0.152 273.2);

Tailwind

colors: {
  custom: {
    50: '#6b5ca4',
    500: '#1f207d',
    950: '#000000',
  },
}

SCSS

$custom: #1f207d;
$custom-light: #6b5ca4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f207d",
  "rgb": {
    "r": 31,
    "g": 32,
    "b": 125
  },
  "hsl": {
    "h": 239.362,
    "s": 60.256,
    "l": 30.588
  },
  "oklch": {
    "l": 0.31758,
    "c": 0.15161,
    "h": 273.2
  },
  "luminance": 0.02805
}

Semantic roles & 50–950 ramp

primary

#1F207D

secondary

#B0AF48

accent

#E244E3

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #1F207D

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

Preview Lab → · Contrast checker → · Palette generator →