#1D199E#1D199E

#1D199E is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.6% C 0.199 H 270.5°. Best body text is #FFFFFF at 12.46:1 contrast (WCAG AA passes).

Color values

HEX	#1D199E
RGB	rgb(29, 25, 158)
HSL	hsl(242, 73%, 36%)
HSV	hsv(242, 84%, 62%)
CMYK	cmyk(81.6%, 84.2%, 0%, 38%)
CIE-LAB	lab(21.67, 47.45, -68.90)
CIE-LCH	lch(21.67, 83.66, 304.56°)
OKLab	oklab(34.56% 0.0016 -0.1994)
OKLCH	oklch(34.56% 0.199 270.5)
XYZ	xyz(7.0238, 3.4243, 32.6319)
Luminance	0.0343 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D199E #9A9E19

analogous

#19579E #1D199E #60199E

triadic

#1D199E #9E1D19 #199E1D

tetradic

#1D199E #9E1957 #9A9E19 #199E60

square

#1D199E #9E1957 #9A9E19 #199E60

split-complementary

#1D199E #9E6019 #579E19

monochromatic

#0A0834 #131169 #1D199E #2721D3 #534EE3

Accessibility & contrast

On white

12.46

#1D199E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1D199E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D199E

12.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D199E	#FFFFFF	#000000	##FFFFFF
##1D199E	1.00	12.46	1.69	12.46
#FFFFFF	12.46	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003AA2

Deuteranopia (green-blind)

#002D9C

Tritanopia (blue-blind)

#00445D

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1d199e;
/* rgb */ color: rgb(29, 25, 158);
/* oklch */ color: oklch(34.6% 0.199 270.5);

Tailwind

colors: {
  custom: {
    50: '#735abc',
    500: '#1d199e',
    950: '#000000',
  },
}

SCSS

$custom: #1d199e;
$custom-light: #735abc;
$custom-dark: #000000;

JSON

{
  "hex": "#1d199e",
  "rgb": {
    "r": 29,
    "g": 25,
    "b": 158
  },
  "hsl": {
    "h": 241.805,
    "s": 72.678,
    "l": 35.882
  },
  "oklch": {
    "l": 0.34559,
    "c": 0.19941,
    "h": 270.5
  },
  "luminance": 0.03425
}

Semantic roles & 50–950 ramp

primary

#1D199E

secondary

#C2C54E

accent

#EF38EA

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1D199E

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

Preview Lab → · Contrast checker → · Palette generator →