#1A319E#1A319E

#1A319E is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.9% C 0.177 H 267.1°. Best body text is #FFFFFF at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#1A319E
RGB	rgb(26, 49, 158)
HSL	hsl(230, 72%, 36%)
HSV	hsv(230, 84%, 62%)
CMYK	cmyk(83.5%, 69%, 0%, 38%)
CIE-LAB	lab(26.40, 33.52, -61.07)
CIE-LCH	lch(26.40, 69.67, 298.76°)
OKLab	oklab(37.89% -0.0089 -0.177)
OKLCH	oklch(37.89% 0.177 267.1)
XYZ	xyz(7.6937, 4.8839, 32.8783)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A319E #9E871A

analogous

#1A739E #1A319E #451A9E

triadic

#1A319E #9E1A31 #319E1A

tetradic

#1A319E #9E1A73 #9E871A #1A9E45

square

#1A319E #9E1A73 #9E871A #1A9E45

split-complementary

#1A319E #9E451A #739E1A

monochromatic

#091035 #112169 #1A319E #2341D3 #506AE2

Accessibility & contrast

On white

10.62

#1A319E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#1A319E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A319E

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A319E	#FFFFFF	#000000	##FFFFFF
##1A319E	1.00	10.62	1.98	10.62
#FFFFFF	10.62	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A1

Deuteranopia (green-blind)

#00389C

Tritanopia (blue-blind)

#004F63

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1a319e;
/* rgb */ color: rgb(26, 49, 158);
/* oklch */ color: oklch(37.9% 0.177 267.1);

Tailwind

colors: {
  custom: {
    50: '#7069bc',
    500: '#1a319e',
    950: '#000000',
  },
}

SCSS

$custom: #1a319e;
$custom-light: #7069bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1a319e",
  "rgb": {
    "r": 26,
    "g": 49,
    "b": 158
  },
  "hsl": {
    "h": 229.545,
    "s": 71.739,
    "l": 36.078
  },
  "oklch": {
    "l": 0.37885,
    "c": 0.17718,
    "h": 267.1
  },
  "luminance": 0.04885
}

Semantic roles & 50–950 ramp

primary

#1A319E

secondary

#C5B04F

accent

#CF39EE

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #1A319E

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

Preview Lab → · Contrast checker → · Palette generator →