#1F209E#1F209E

#1F209E is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.5% C 0.193 H 270.6°. Best body text is #FFFFFF at 11.94:1 contrast (WCAG AA passes).

Color values

HEX	#1F209E
RGB	rgb(31, 32, 158)
HSL	hsl(240, 67%, 37%)
HSV	hsv(240, 80%, 62%)
CMYK	cmyk(80.4%, 79.7%, 0%, 38%)
CIE-LAB	lab(22.97, 44.08, -66.73)
CIE-LCH	lch(22.97, 79.97, 303.45°)
OKLab	oklab(35.49% 0.0021 -0.1932)
OKLCH	oklch(35.49% 0.193 270.6)
XYZ	xyz(7.2510, 3.7921, 32.6909)
Luminance	0.0379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F209E #9E9D1F

analogous

#1F5F9E #1F209E #5E1F9E

triadic

#1F209E #9E1F20 #209E1F

tetradic

#1F209E #9E1F5F #9E9D1F #1F9E5E

square

#1F209E #9E1F5F #9E9D1F #1F9E5E

split-complementary

#1F209E #9E5E1F #5F9E1F

monochromatic

#0B0B38 #15166B #1F209E #292AD1 #595ADE

Accessibility & contrast

On white

11.94

#1F209E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1F209E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F209E

11.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F209E	#FFFFFF	#000000	##FFFFFF
##1F209E	1.00	11.94	1.76	11.94
#FFFFFF	11.94	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA2

Deuteranopia (green-blind)

#00309C

Tritanopia (blue-blind)

#00475F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1f209e;
/* rgb */ color: rgb(31, 32, 158);
/* oklch */ color: oklch(35.5% 0.193 270.6);

Tailwind

colors: {
  custom: {
    50: '#735ebc',
    500: '#1f209e',
    950: '#000000',
  },
}

SCSS

$custom: #1f209e;
$custom-light: #735ebc;
$custom-dark: #000000;

JSON

{
  "hex": "#1f209e",
  "rgb": {
    "r": 31,
    "g": 32,
    "b": 158
  },
  "hsl": {
    "h": 239.528,
    "s": 67.196,
    "l": 37.059
  },
  "oklch": {
    "l": 0.35495,
    "c": 0.19323,
    "h": 270.6
  },
  "luminance": 0.03793
}

Semantic roles & 50–950 ramp

primary

#1F209E

secondary

#C2C156

accent

#E93EEA

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1F209E

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

Preview Lab → · Contrast checker → · Palette generator →