#1A3679#1A3679

#1A3679 is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.4% C 0.120 H 264.1°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#1A3679
RGB	rgb(26, 54, 121)
HSL	hsl(222, 65%, 29%)
HSV	hsv(222, 79%, 47%)
CMYK	cmyk(78.5%, 55.4%, 0%, 52.5%)
CIE-LAB	lab(24.44, 15.43, -41.30)
CIE-LCH	lch(24.44, 44.09, 290.49°)
OKLab	oklab(35.41% -0.0123 -0.119)
OKLCH	oklch(35.41% 0.12 264.1)
XYZ	xyz(5.1951, 4.2378, 18.6296)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3679 #795D1A

analogous

#1A6679 #1A3679 #2E1A79

triadic

#1A3679 #791A36 #36791A

tetradic

#1A3679 #791A66 #795D1A #1A792E

square

#1A3679 #791A66 #795D1A #1A792E

split-complementary

#1A3679 #792E1A #66791A

monochromatic

#050B19 #0F2047 #1A3679 #254CAB #3967D4

Accessibility & contrast

On white

11.37

#1A3679 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#1A3679 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3679

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3679	#FFFFFF	#000000	##FFFFFF
##1A3679	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#043F7B

Deuteranopia (green-blind)

#003678

Tritanopia (blue-blind)

#004652

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1a3679;
/* rgb */ color: rgb(26, 54, 121);
/* oklch */ color: oklch(35.4% 0.120 264.1);

Tailwind

colors: {
  custom: {
    50: '#666ca0',
    500: '#1a3679',
    950: '#000000',
  },
}

SCSS

$custom: #1a3679;
$custom-light: #666ca0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3679",
  "rgb": {
    "r": 26,
    "g": 54,
    "b": 121
  },
  "hsl": {
    "h": 222.316,
    "s": 64.626,
    "l": 28.824
  },
  "oklch": {
    "l": 0.35411,
    "c": 0.11959,
    "h": 264.1
  },
  "luminance": 0.04238
}

Semantic roles & 50–950 ramp

primary

#1A3679

secondary

#AD8E41

accent

#B640E8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060F

muted

#7A7A7E

Preview Lab

Preview with #1A3679

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

Preview Lab → · Contrast checker → · Palette generator →