#1A3576#1A3576

#1A3576 is a dark, moderate blue. Relative luminance 0.041; OKLCH L 34.9% C 0.117 H 264.2°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#1A3576
RGB	rgb(26, 53, 118)
HSL	hsl(222, 64%, 28%)
HSV	hsv(222, 78%, 46%)
CMYK	cmyk(78%, 55.1%, 0%, 53.7%)
CIE-LAB	lab(23.91, 14.91, -40.26)
CIE-LCH	lch(23.91, 42.93, 290.32°)
OKLab	oklab(34.94% -0.0117 -0.1159)
OKLCH	oklch(34.94% 0.117 264.2)
XYZ	xyz(4.9680, 4.0733, 17.6604)
Luminance	0.0407 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3576 #765B1A

analogous

#1A6376 #1A3576 #2D1A76

triadic

#1A3576 #761A35 #35761A

tetradic

#1A3576 #761A63 #765B1A #1A762D

square

#1A3576 #761A63 #765B1A #1A762D

split-complementary

#1A3576 #762D1A #63761A

monochromatic

#060B19 #0F1E44 #1A3576 #254CA8 #3765D3

Accessibility & contrast

On white

11.57

#1A3576 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#1A3576 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3576

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3576	#FFFFFF	#000000	##FFFFFF
##1A3576	1.00	11.57	1.81	11.57
#FFFFFF	11.57	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#063D78

Deuteranopia (green-blind)

#003575

Tritanopia (blue-blind)

#004550

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1a3576;
/* rgb */ color: rgb(26, 53, 118);
/* oklch */ color: oklch(34.9% 0.117 264.2);

Tailwind

colors: {
  custom: {
    50: '#656b9e',
    500: '#1a3576',
    950: '#000000',
  },
}

SCSS

$custom: #1a3576;
$custom-light: #656b9e;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3576",
  "rgb": {
    "r": 26,
    "g": 53,
    "b": 118
  },
  "hsl": {
    "h": 222.391,
    "s": 63.889,
    "l": 28.235
  },
  "oklch": {
    "l": 0.34935,
    "c": 0.1165,
    "h": 264.2
  },
  "luminance": 0.04074
}

Semantic roles & 50–950 ramp

primary

#1A3576

secondary

#AB8C41

accent

#B641E7

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1A3576

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

Preview Lab → · Contrast checker → · Palette generator →