#1F19B2#1F19B2

#1F19B2 is a dark, highly saturated blue. Relative luminance 0.042; OKLCH L 37.1% C 0.222 H 269.8°. Best body text is #FFFFFF at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#1F19B2
RGB	rgb(31, 25, 178)
HSL	hsl(242, 75%, 40%)
HSV	hsv(242, 86%, 70%)
CMYK	cmyk(82.6%, 86%, 0%, 30.2%)
CIE-LAB	lab(24.32, 53.64, -76.59)
CIE-LCH	lch(24.32, 93.50, 305.01°)
OKLab	oklab(37.14% -0.0008 -0.2216)
OKLCH	oklch(37.14% 0.222 269.8)
XYZ	xyz(8.9459, 4.1999, 42.4500)
Luminance	0.0420 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F19B2 #ACB219

analogous

#1960B2 #1F19B2 #6C19B2

triadic

#1F19B2 #B21F19 #19B21F

tetradic

#1F19B2 #B21960 #ACB219 #19B26C

square

#1F19B2 #B21960 #ACB219 #19B26C

split-complementary

#1F19B2 #B26C19 #60B219

monochromatic

#0C0A47 #16117C #1F19B2 #2F27E1 #635DE8

Accessibility & contrast

On white

11.41

#1F19B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#1F19B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F19B2

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F19B2	#FFFFFF	#000000	##FFFFFF
##1F19B2	1.00	11.41	1.84	11.41
#FFFFFF	11.41	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041B6

Deuteranopia (green-blind)

#0032B0

Tritanopia (blue-blind)

#004D69

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1f19b2;
/* rgb */ color: rgb(31, 25, 178);
/* oklch */ color: oklch(37.1% 0.222 269.8);

Tailwind

colors: {
  custom: {
    50: '#795ccb',
    500: '#1f19b2',
    950: '#000000',
  },
}

SCSS

$custom: #1f19b2;
$custom-light: #795ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#1f19b2",
  "rgb": {
    "r": 31,
    "g": 25,
    "b": 178
  },
  "hsl": {
    "h": 242.353,
    "s": 75.369,
    "l": 39.804
  },
  "oklch": {
    "l": 0.37136,
    "c": 0.2216,
    "h": 269.8
  },
  "luminance": 0.04201
}

Semantic roles & 50–950 ramp

primary

#1F19B2

secondary

#C8CC5B

accent

#F236EB

background

#F8F5FC

surface

#EFE9F9

border

#CAC5D2

text

#0B0413

muted

#7C7982

Preview Lab

Preview with #1F19B2

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

Preview Lab → · Contrast checker → · Palette generator →