#1F20BD#1F20BD

#1F20BD is a dark, highly saturated blue. Relative luminance 0.050; OKLCH L 39.2% C 0.229 H 269.0°. Best body text is #FFFFFF at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#1F20BD
RGB	rgb(31, 32, 189)
HSL	hsl(240, 72%, 43%)
HSV	hsv(240, 84%, 74%)
CMYK	cmyk(83.6%, 83.1%, 0%, 25.9%)
CIE-LAB	lab(26.73, 53.93, -79.14)
CIE-LCH	lch(26.73, 95.77, 304.28°)
OKLab	oklab(39.19% -0.0041 -0.2291)
OKLCH	oklch(39.19% 0.229 269)
XYZ	xyz(10.2638, 4.9972, 48.5579)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F20BD #BDBC1F

analogous

#1F6FBD #1F20BD #6D1FBD

triadic

#1F20BD #BD1F20 #20BD1F

tetradic

#1F20BD #BD1F6F #BDBC1F #1FBD6D

square

#1F20BD #BD1F6F #BDBC1F #1FBD6D

split-complementary

#1F20BD #BD6D1F #6FBD1F

monochromatic

#0E0E54 #161788 #1F20BD #3A3BDF #6F70E7

Accessibility & contrast

On white

10.50

#1F20BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#1F20BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F20BD

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F20BD	#FFFFFF	#000000	##FFFFFF
##1F20BD	1.00	10.50	2.00	10.50
#FFFFFF	10.50	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047C1

Deuteranopia (green-blind)

#0037BA

Tritanopia (blue-blind)

#005371

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1f20bd;
/* rgb */ color: rgb(31, 32, 189);
/* oklch */ color: oklch(39.2% 0.229 269.0);

Tailwind

colors: {
  custom: {
    50: '#7c60d2',
    500: '#1f20bd',
    950: '#000000',
  },
}

SCSS

$custom: #1f20bd;
$custom-light: #7c60d2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f20bd",
  "rgb": {
    "r": 31,
    "g": 32,
    "b": 189
  },
  "hsl": {
    "h": 239.62,
    "s": 71.818,
    "l": 43.137
  },
  "oklch": {
    "l": 0.39187,
    "c": 0.22916,
    "h": 269
  },
  "luminance": 0.04998
}

Semantic roles & 50–950 ramp

primary

#1F20BD

secondary

#CECD6A

accent

#ED39EF

background

#F8F5FD

surface

#F0EAFA

border

#CBC6D3

text

#0C0514

muted

#7D7983

Preview Lab

Preview with #1F20BD

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

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