#1A40A0#1A40A0

#1A40A0 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.9% C 0.162 H 264.1°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#1A40A0
RGB	rgb(26, 64, 160)
HSL	hsl(223, 72%, 36%)
HSV	hsv(223, 84%, 63%)
CMYK	cmyk(83.8%, 60%, 0%, 37.3%)
CIE-LAB	lab(30.46, 24.25, -55.64)
CIE-LCH	lch(30.46, 60.69, 293.55°)
OKLab	oklab(40.94% -0.0167 -0.1609)
OKLCH	oklch(40.94% 0.162 264.1)
XYZ	xyz(8.6023, 6.4234, 34.0373)
Luminance	0.0642 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A40A0 #A07A1A

analogous

#1A83A0 #1A40A0 #371AA0

triadic

#1A40A0 #A01A40 #40A01A

tetradic

#1A40A0 #A01A83 #A07A1A #1AA037

square

#1A40A0 #A01A83 #A07A1A #1AA037

split-complementary

#1A40A0 #A0371A #83A01A

monochromatic

#091637 #112B6B #1A40A0 #2355D5 #527BE3

Accessibility & contrast

On white

9.19

#1A40A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#1A40A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A40A0

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A40A0	#FFFFFF	#000000	##FFFFFF
##1A40A0	1.00	9.19	2.28	9.19
#FFFFFF	9.19	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA3

Deuteranopia (green-blind)

#00429E

Tritanopia (blue-blind)

#005969

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1a40a0;
/* rgb */ color: rgb(26, 64, 160);
/* oklch */ color: oklch(40.9% 0.162 264.1);

Tailwind

colors: {
  custom: {
    50: '#7074bd',
    500: '#1a40a0',
    950: '#000000',
  },
}

SCSS

$custom: #1a40a0;
$custom-light: #7074bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1a40a0",
  "rgb": {
    "r": 26,
    "g": 64,
    "b": 160
  },
  "hsl": {
    "h": 222.985,
    "s": 72.043,
    "l": 36.471
  },
  "oklch": {
    "l": 0.40938,
    "c": 0.16178,
    "h": 264.1
  },
  "luminance": 0.06424
}

Semantic roles & 50–950 ramp

primary

#1A40A0

secondary

#C5A450

accent

#BB39EF

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1A40A0

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

Preview Lab → · Contrast checker → · Palette generator →