#1A3574#1A3574

#1A3574 is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.8% C 0.114 H 264.0°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#1A3574
RGB	rgb(26, 53, 116)
HSL	hsl(222, 63%, 28%)
HSV	hsv(222, 78%, 45%)
CMYK	cmyk(77.6%, 54.3%, 0%, 54.5%)
CIE-LAB	lab(23.76, 14.09, -39.23)
CIE-LCH	lch(23.76, 41.69, 289.75°)
OKLab	oklab(34.77% -0.0119 -0.1129)
OKLCH	oklch(34.77% 0.114 264)
XYZ	xyz(4.8504, 4.0262, 17.0411)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3574 #74591A

analogous

#1A6274 #1A3574 #2C1A74

triadic

#1A3574 #741A35 #35741A

tetradic

#1A3574 #741A62 #74591A #1A742C

square

#1A3574 #741A62 #74591A #1A742C

split-complementary

#1A3574 #742C1A #62741A

monochromatic

#060B19 #0F1E42 #1A3574 #254CA6 #3665D2

Accessibility & contrast

On white

11.63

#1A3574 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#1A3574 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3574

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3574	#FFFFFF	#000000	##FFFFFF
##1A3574	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B3D76

Deuteranopia (green-blind)

#003573

Tritanopia (blue-blind)

#00444F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1a3574;
/* rgb */ color: rgb(26, 53, 116);
/* oklch */ color: oklch(34.8% 0.114 264.0);

Tailwind

colors: {
  custom: {
    50: '#656b9c',
    500: '#1a3574',
    950: '#000000',
  },
}

SCSS

$custom: #1a3574;
$custom-light: #656b9c;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3574",
  "rgb": {
    "r": 26,
    "g": 53,
    "b": 116
  },
  "hsl": {
    "h": 222,
    "s": 63.38,
    "l": 27.843
  },
  "oklch": {
    "l": 0.34769,
    "c": 0.11352,
    "h": 264
  },
  "luminance": 0.04027
}

Semantic roles & 50–950 ramp

primary

#1A3574

secondary

#A98A41

accent

#B541E6

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1A3574

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

Preview Lab → · Contrast checker → · Palette generator →