#1A1F9E#1A1F9E

#1A1F9E is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.1% C 0.195 H 269.2°. Best body text is #FFFFFF at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#1A1F9E
RGB	rgb(26, 31, 158)
HSL	hsl(238, 72%, 36%)
HSV	hsv(238, 84%, 62%)
CMYK	cmyk(83.5%, 80.4%, 0%, 38%)
CIE-LAB	lab(22.54, 44.31, -67.45)
CIE-LCH	lch(22.54, 80.71, 303.30°)
OKLab	oklab(35.12% -0.0029 -0.1954)
OKLCH	oklch(35.12% 0.195 269.2)
XYZ	xyz(7.0854, 3.6674, 32.6756)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A1F9E #9E991A

analogous

#1A619E #1A1F9E #571A9E

triadic

#1A1F9E #9E1A1F #1F9E1A

tetradic

#1A1F9E #9E1A61 #9E991A #1A9E57

square

#1A1F9E #9E1A61 #9E991A #1A9E57

split-complementary

#1A1F9E #9E571A #619E1A

monochromatic

#090A35 #111569 #1A1F9E #2329D3 #5056E2

Accessibility & contrast

On white

12.11

#1A1F9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1A1F9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A1F9E

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A1F9E	#FFFFFF	#000000	##FFFFFF
##1A1F9E	1.00	12.11	1.73	12.11
#FFFFFF	12.11	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA2

Deuteranopia (green-blind)

#002F9C

Tritanopia (blue-blind)

#00475F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1a1f9e;
/* rgb */ color: rgb(26, 31, 158);
/* oklch */ color: oklch(35.1% 0.195 269.2);

Tailwind

colors: {
  custom: {
    50: '#725dbc',
    500: '#1a1f9e',
    950: '#000000',
  },
}

SCSS

$custom: #1a1f9e;
$custom-light: #725dbc;
$custom-dark: #000000;

JSON

{
  "hex": "#1a1f9e",
  "rgb": {
    "r": 26,
    "g": 31,
    "b": 158
  },
  "hsl": {
    "h": 237.727,
    "s": 71.739,
    "l": 36.078
  },
  "oklch": {
    "l": 0.35124,
    "c": 0.19541,
    "h": 269.2
  },
  "luminance": 0.03668
}

Semantic roles & 50–950 ramp

primary

#1A1F9E

secondary

#C5C04F

accent

#E839EE

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1A1F9E

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

Preview Lab → · Contrast checker → · Palette generator →