#1A1F9D#1A1F9D

#1A1F9D is a dark, vivid blue. Relative luminance 0.036; OKLCH L 35.0% C 0.194 H 269.2°. Best body text is #FFFFFF at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#1A1F9D
RGB	rgb(26, 31, 157)
HSL	hsl(238, 72%, 36%)
HSV	hsv(238, 83%, 62%)
CMYK	cmyk(83.4%, 80.3%, 0%, 38.4%)
CIE-LAB	lab(22.42, 43.98, -67.04)
CIE-LCH	lch(22.42, 80.18, 303.27°)
OKLab	oklab(35% -0.0027 -0.1942)
OKLCH	oklch(35% 0.194 269.2)
XYZ	xyz(6.9997, 3.6331, 32.2241)
Luminance	0.0363 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A1F9D #9D981A

analogous

#1A609D #1A1F9D #561A9D

triadic

#1A1F9D #9D1A1F #1F9D1A

tetradic

#1A1F9D #9D1A60 #9D981A #1A9D56

square

#1A1F9D #9D1A60 #9D981A #1A9D56

split-complementary

#1A1F9D #9D561A #609D1A

monochromatic

#090A34 #111568 #1A1F9D #2329D2 #4F55E2

Accessibility & contrast

On white

12.16

#1A1F9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1A1F9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A1F9D

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A1F9D	#FFFFFF	#000000	##FFFFFF
##1A1F9D	1.00	12.16	1.73	12.16
#FFFFFF	12.16	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA1

Deuteranopia (green-blind)

#002F9B

Tritanopia (blue-blind)

#00465E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1a1f9d;
/* rgb */ color: rgb(26, 31, 157);
/* oklch */ color: oklch(35.0% 0.194 269.2);

Tailwind

colors: {
  custom: {
    50: '#725dbb',
    500: '#1a1f9d',
    950: '#000000',
  },
}

SCSS

$custom: #1a1f9d;
$custom-light: #725dbb;
$custom-dark: #000000;

JSON

{
  "hex": "#1a1f9d",
  "rgb": {
    "r": 26,
    "g": 31,
    "b": 157
  },
  "hsl": {
    "h": 237.71,
    "s": 71.585,
    "l": 35.882
  },
  "oklch": {
    "l": 0.35005,
    "c": 0.19422,
    "h": 269.2
  },
  "luminance": 0.03634
}

Semantic roles & 50–950 ramp

primary

#1A1F9D

secondary

#C4C04E

accent

#E739EE

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1A1F9D

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

Preview Lab → · Contrast checker → · Palette generator →