#1A228F#1A228F

#1A228F is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.8% C 0.174 H 269.6°. Best body text is #FFFFFF at 12.58:1 contrast (WCAG AA passes).

Color values

HEX	#1A228F
RGB	rgb(26, 34, 143)
HSL	hsl(236, 69%, 33%)
HSV	hsv(236, 82%, 56%)
CMYK	cmyk(81.8%, 76.2%, 0%, 43.9%)
CIE-LAB	lab(21.38, 37.46, -60.13)
CIE-LCH	lch(21.38, 70.84, 301.92°)
OKLab	oklab(33.79% -0.0012 -0.1742)
OKLCH	oklch(33.79% 0.174 269.6)
XYZ	xyz(5.9543, 3.3461, 26.3133)
Luminance	0.0335 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A228F #8F871A

analogous

#1A5D8F #1A228F #4C1A8F

triadic

#1A228F #8F1A22 #228F1A

tetradic

#1A228F #8F1A5D #8F871A #1A8F4C

square

#1A228F #8F1A5D #8F871A #1A8F4C

split-complementary

#1A228F #8F4C1A #5D8F1A

monochromatic

#070927 #11165B #1A228F #232EC3 #4650DD

Accessibility & contrast

On white

12.58

#1A228F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#1A228F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A228F

12.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A228F	#FFFFFF	#000000	##FFFFFF
##1A228F	1.00	12.58	1.67	12.58
#FFFFFF	12.58	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003992

Deuteranopia (green-blind)

#002D8D

Tritanopia (blue-blind)

#004257

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1a228f;
/* rgb */ color: rgb(26, 34, 143);
/* oklch */ color: oklch(33.8% 0.174 269.6);

Tailwind

colors: {
  custom: {
    50: '#6e5eb1',
    500: '#1a228f',
    950: '#000000',
  },
}

SCSS

$custom: #1a228f;
$custom-light: #6e5eb1;
$custom-dark: #000000;

JSON

{
  "hex": "#1a228f",
  "rgb": {
    "r": 26,
    "g": 34,
    "b": 143
  },
  "hsl": {
    "h": 235.897,
    "s": 69.231,
    "l": 33.137
  },
  "oklch": {
    "l": 0.33794,
    "c": 0.17419,
    "h": 269.6
  },
  "luminance": 0.03347
}

Semantic roles & 50–950 ramp

primary

#1A228F

secondary

#BFB746

accent

#E03CEC

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1A228F

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

Preview Lab → · Contrast checker → · Palette generator →