#1A338D#1A338D

#1A338D is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.6% C 0.152 H 266.5°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#1A338D
RGB	rgb(26, 51, 141)
HSL	hsl(227, 69%, 33%)
HSV	hsv(227, 82%, 55%)
CMYK	cmyk(81.6%, 63.8%, 0%, 44.7%)
CIE-LAB	lab(25.29, 25.61, -52.45)
CIE-LCH	lch(25.29, 58.37, 296.03°)
OKLab	oklab(36.57% -0.0092 -0.1518)
OKLCH	oklch(36.57% 0.152 266.5)
XYZ	xyz(6.4159, 4.5096, 25.7264)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A338D #8D741A

analogous

#1A6C8D #1A338D #3B1A8D

triadic

#1A338D #8D1A33 #338D1A

tetradic

#1A338D #8D1A6C #8D741A #1A8D3B

square

#1A338D #8D1A6C #8D741A #1A8D3B

split-complementary

#1A338D #8D3B1A #6C8D1A

monochromatic

#070E26 #102059 #1A338D #2446C1 #4566DD

Accessibility & contrast

On white

11.04

#1A338D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#1A338D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A338D

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A338D	#FFFFFF	#000000	##FFFFFF
##1A338D	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004190

Deuteranopia (green-blind)

#00378B

Tritanopia (blue-blind)

#004A5B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1a338d;
/* rgb */ color: rgb(26, 51, 141);
/* oklch */ color: oklch(36.6% 0.152 266.5);

Tailwind

colors: {
  custom: {
    50: '#6c6aaf',
    500: '#1a338d',
    950: '#000000',
  },
}

SCSS

$custom: #1a338d;
$custom-light: #6c6aaf;
$custom-dark: #000000;

JSON

{
  "hex": "#1a338d",
  "rgb": {
    "r": 26,
    "g": 51,
    "b": 141
  },
  "hsl": {
    "h": 226.957,
    "s": 68.862,
    "l": 32.745
  },
  "oklch": {
    "l": 0.36574,
    "c": 0.15204,
    "h": 266.5
  },
  "luminance": 0.0451
}

Semantic roles & 50–950 ramp

primary

#1A338D

secondary

#BEA445

accent

#C63CEC

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #1A338D

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

Preview Lab → · Contrast checker → · Palette generator →