#1A3572#1A3572

#1A3572 is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.6% C 0.111 H 263.7°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#1A3572
RGB	rgb(26, 53, 114)
HSL	hsl(222, 63%, 27%)
HSV	hsv(222, 77%, 45%)
CMYK	cmyk(77.2%, 53.5%, 0%, 55.3%)
CIE-LAB	lab(23.61, 13.27, -38.20)
CIE-LCH	lch(23.61, 40.44, 289.15°)
OKLab	oklab(34.61% -0.0122 -0.1099)
OKLCH	oklch(34.61% 0.111 263.7)
XYZ	xyz(4.7353, 3.9802, 16.4350)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3572 #72571A

analogous

#1A6172 #1A3572 #2B1A72

triadic

#1A3572 #721A35 #35721A

tetradic

#1A3572 #721A61 #72571A #1A722B

square

#1A3572 #721A61 #72571A #1A722B

split-complementary

#1A3572 #722B1A #61721A

monochromatic

#060C19 #0F1E40 #1A3572 #254CA4 #3565D1

Accessibility & contrast

On white

11.69

#1A3572 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#1A3572 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3572

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3572	#FFFFFF	#000000	##FFFFFF
##1A3572	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E3C74

Deuteranopia (green-blind)

#003471

Tritanopia (blue-blind)

#00444E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1a3572;
/* rgb */ color: rgb(26, 53, 114);
/* oklch */ color: oklch(34.6% 0.111 263.7);

Tailwind

colors: {
  custom: {
    50: '#646b9b',
    500: '#1a3572',
    950: '#000000',
  },
}

SCSS

$custom: #1a3572;
$custom-light: #646b9b;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3572",
  "rgb": {
    "r": 26,
    "g": 53,
    "b": 114
  },
  "hsl": {
    "h": 221.591,
    "s": 62.857,
    "l": 27.451
  },
  "oklch": {
    "l": 0.34605,
    "c": 0.11053,
    "h": 263.7
  },
  "luminance": 0.03981
}

Semantic roles & 50–950 ramp

primary

#1A3572

secondary

#A78841

accent

#B442E6

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1A3572

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

Preview Lab → · Contrast checker → · Palette generator →