#1A338E#1A338E

#1A338E is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.7% C 0.153 H 266.5°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#1A338E
RGB	rgb(26, 51, 142)
HSL	hsl(227, 69%, 33%)
HSV	hsv(227, 82%, 56%)
CMYK	cmyk(81.7%, 64.1%, 0%, 44.3%)
CIE-LAB	lab(25.38, 26.01, -52.93)
CIE-LCH	lch(25.38, 58.97, 296.17°)
OKLab	oklab(36.67% -0.0093 -0.1531)
OKLCH	oklch(36.67% 0.153 266.5)
XYZ	xyz(6.4906, 4.5395, 26.1201)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A338E #8E751A

analogous

#1A6D8E #1A338E #3B1A8E

triadic

#1A338E #8E1A33 #338E1A

tetradic

#1A338E #8E1A6D #8E751A #1A8E3B

square

#1A338E #8E1A6D #8E751A #1A8E3B

split-complementary

#1A338E #8E3B1A #6D8E1A

monochromatic

#070E27 #11205A #1A338E #2346C2 #4566DD

Accessibility & contrast

On white

11.01

#1A338E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#1A338E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A338E

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A338E	#FFFFFF	#000000	##FFFFFF
##1A338E	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004291

Deuteranopia (green-blind)

#00378C

Tritanopia (blue-blind)

#004B5B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1a338e;
/* rgb */ color: rgb(26, 51, 142);
/* oklch */ color: oklch(36.7% 0.153 266.5);

Tailwind

colors: {
  custom: {
    50: '#6c6ab0',
    500: '#1a338e',
    950: '#000000',
  },
}

SCSS

$custom: #1a338e;
$custom-light: #6c6ab0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a338e",
  "rgb": {
    "r": 26,
    "g": 51,
    "b": 142
  },
  "hsl": {
    "h": 227.069,
    "s": 69.048,
    "l": 32.941
  },
  "oklch": {
    "l": 0.36669,
    "c": 0.15342,
    "h": 266.5
  },
  "luminance": 0.0454
}

Semantic roles & 50–950 ramp

primary

#1A338E

secondary

#BEA445

accent

#C63CEC

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1A338E

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

Preview Lab → · Contrast checker → · Palette generator →