#1A358E#1A358E

#1A358E is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.1% C 0.151 H 266.0°. Best body text is #FFFFFF at 10.80:1 contrast (WCAG AA passes).

Color values

HEX	#1A358E
RGB	rgb(26, 53, 142)
HSL	hsl(226, 69%, 33%)
HSV	hsv(226, 82%, 56%)
CMYK	cmyk(81.7%, 62.7%, 0%, 44.3%)
CIE-LAB	lab(25.92, 24.63, -52.05)
CIE-LCH	lch(25.92, 57.58, 295.33°)
OKLab	oklab(37.07% -0.0105 -0.1505)
OKLCH	oklch(37.07% 0.151 266)
XYZ	xyz(6.5799, 4.7180, 26.1498)
Luminance	0.0472 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A358E #8E731A

analogous

#1A6F8E #1A358E #391A8E

triadic

#1A358E #8E1A35 #358E1A

tetradic

#1A358E #8E1A6F #8E731A #1A8E39

square

#1A358E #8E1A6F #8E731A #1A8E39

split-complementary

#1A358E #8E391A #6F8E1A

monochromatic

#070E27 #11225A #1A358E #2348C2 #4569DD

Accessibility & contrast

On white

10.80

#1A358E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#1A358E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A358E

10.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A358E	#FFFFFF	#000000	##FFFFFF
##1A358E	1.00	10.80	1.94	10.80
#FFFFFF	10.80	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004391

Deuteranopia (green-blind)

#00388C

Tritanopia (blue-blind)

#004C5C

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1a358e;
/* rgb */ color: rgb(26, 53, 142);
/* oklch */ color: oklch(37.1% 0.151 266.0);

Tailwind

colors: {
  custom: {
    50: '#6c6bb0',
    500: '#1a358e',
    950: '#000000',
  },
}

SCSS

$custom: #1a358e;
$custom-light: #6c6bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a358e",
  "rgb": {
    "r": 26,
    "g": 53,
    "b": 142
  },
  "hsl": {
    "h": 226.034,
    "s": 69.048,
    "l": 32.941
  },
  "oklch": {
    "l": 0.37066,
    "c": 0.15091,
    "h": 266
  },
  "luminance": 0.04719
}

Semantic roles & 50–950 ramp

primary

#1A358E

secondary

#BEA245

accent

#C33CEC

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1A358E

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

Preview Lab → · Contrast checker → · Palette generator →