#1F20D5#1F20D5

#1F20D5 is a dark, highly saturated blue. Relative luminance 0.061; OKLCH L 42.1% C 0.255 H 268.0°. Best body text is #FFFFFF at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#1F20D5
RGB	rgb(31, 32, 213)
HSL	hsl(240, 75%, 48%)
HSV	hsv(240, 85%, 84%)
CMYK	cmyk(85.4%, 85%, 0%, 16.5%)
CIE-LAB	lab(29.73, 61.08, -88.19)
CIE-LCH	lch(29.73, 107.28, 304.71°)
OKLab	oklab(42.11% -0.0088 -0.2553)
OKLCH	oklch(42.11% 0.255 268)
XYZ	xyz(13.0877, 6.1268, 63.4307)
Luminance	0.0613 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F20D5 #D5D41F

analogous

#1F7BD5 #1F20D5 #791FD5

triadic

#1F20D5 #D51F20 #20D51F

tetradic

#1F20D5 #D51F7B #D5D41F #1FD579

square

#1F20D5 #D51F7B #D5D41F #1FD579

split-complementary

#1F20D5 #D5791F #7BD51F

monochromatic

#0F106A #1718A0 #1F20D5 #4C4DE5 #8282ED

Accessibility & contrast

On white

9.44

#1F20D5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#1F20D5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F20D5

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F20D5	#FFFFFF	#000000	##FFFFFF
##1F20D5	1.00	9.44	2.23	9.44
#FFFFFF	9.44	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FDA

Deuteranopia (green-blind)

#003CD2

Tritanopia (blue-blind)

#005D7F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1f20d5;
/* rgb */ color: rgb(31, 32, 213);
/* oklch */ color: oklch(42.1% 0.255 268.0);

Tailwind

colors: {
  custom: {
    50: '#8262e4',
    500: '#1f20d5',
    950: '#000000',
  },
}

SCSS

$custom: #1f20d5;
$custom-light: #8262e4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f20d5",
  "rgb": {
    "r": 31,
    "g": 32,
    "b": 213
  },
  "hsl": {
    "h": 239.67,
    "s": 74.59,
    "l": 47.843
  },
  "oklch": {
    "l": 0.42106,
    "c": 0.25542,
    "h": 268
  },
  "luminance": 0.06128
}

Semantic roles & 50–950 ramp

primary

#1F20D5

secondary

#D5D57A

accent

#F037F1

background

#F9F6FE

surface

#F1EBFC

border

#CBC6D5

text

#0D0616

muted

#7E7A84

Preview Lab

Preview with #1F20D5

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

Preview Lab → · Contrast checker → · Palette generator →