#1A228E#1A228E

#1A228E is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.7% C 0.173 H 269.7°. Best body text is #FFFFFF at 12.62:1 contrast (WCAG AA passes).

Color values

HEX	#1A228E
RGB	rgb(26, 34, 142)
HSL	hsl(236, 69%, 33%)
HSV	hsv(236, 82%, 56%)
CMYK	cmyk(81.7%, 76.1%, 0%, 44.3%)
CIE-LAB	lab(21.27, 37.10, -59.69)
CIE-LCH	lch(21.27, 70.28, 301.86°)
OKLab	oklab(33.68% -0.001 -0.1729)
OKLCH	oklch(33.68% 0.173 269.7)
XYZ	xyz(5.8788, 3.3160, 25.9162)
Luminance	0.0332 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A228E #8E861A

analogous

#1A5C8E #1A228E #4C1A8E

triadic

#1A228E #8E1A22 #228E1A

tetradic

#1A228E #8E1A5C #8E861A #1A8E4C

square

#1A228E #8E1A5C #8E861A #1A8E4C

split-complementary

#1A228E #8E4C1A #5C8E1A

monochromatic

#070927 #11165A #1A228E #232EC2 #4550DD

Accessibility & contrast

On white

12.62

#1A228E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1A228E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A228E

12.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A228E	#FFFFFF	#000000	##FFFFFF
##1A228E	1.00	12.62	1.66	12.62
#FFFFFF	12.62	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003991

Deuteranopia (green-blind)

#002D8C

Tritanopia (blue-blind)

#004256

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1a228e;
/* rgb */ color: rgb(26, 34, 142);
/* oklch */ color: oklch(33.7% 0.173 269.7);

Tailwind

colors: {
  custom: {
    50: '#6d5eb0',
    500: '#1a228e',
    950: '#000000',
  },
}

SCSS

$custom: #1a228e;
$custom-light: #6d5eb0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a228e",
  "rgb": {
    "r": 26,
    "g": 34,
    "b": 142
  },
  "hsl": {
    "h": 235.862,
    "s": 69.048,
    "l": 32.941
  },
  "oklch": {
    "l": 0.33681,
    "c": 0.17292,
    "h": 269.7
  },
  "luminance": 0.03317
}

Semantic roles & 50–950 ramp

primary

#1A228E

secondary

#BEB645

accent

#E03CEC

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#080411

muted

#7B7980

Preview Lab

Preview with #1A228E

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

Preview Lab → · Contrast checker → · Palette generator →