#1A399D#1A399D

#1A399D is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.3% C 0.166 H 265.6°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#1A399D
RGB	rgb(26, 57, 157)
HSL	hsl(226, 72%, 36%)
HSV	hsv(226, 83%, 62%)
CMYK	cmyk(83.4%, 63.7%, 0%, 38.4%)
CIE-LAB	lab(28.32, 27.82, -57.30)
CIE-LCH	lch(28.32, 63.70, 295.89°)
OKLab	oklab(39.27% -0.0128 -0.1659)
OKLCH	oklch(39.27% 0.166 265.6)
XYZ	xyz(7.9728, 5.5792, 32.5484)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A399D #9D7E1A

analogous

#1A7A9D #1A399D #3D1A9D

triadic

#1A399D #9D1A39 #399D1A

tetradic

#1A399D #9D1A7A #9D7E1A #1A9D3D

square

#1A399D #9D1A7A #9D7E1A #1A9D3D

split-complementary

#1A399D #9D3D1A #7A9D1A

monochromatic

#091334 #112668 #1A399D #234CD2 #4F72E2

Accessibility & contrast

On white

9.92

#1A399D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#1A399D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A399D

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A399D	#FFFFFF	#000000	##FFFFFF
##1A399D	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A0

Deuteranopia (green-blind)

#003D9B

Tritanopia (blue-blind)

#005365

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1a399d;
/* rgb */ color: rgb(26, 57, 157);
/* oklch */ color: oklch(39.3% 0.166 265.6);

Tailwind

colors: {
  custom: {
    50: '#6f6fbb',
    500: '#1a399d',
    950: '#000000',
  },
}

SCSS

$custom: #1a399d;
$custom-light: #6f6fbb;
$custom-dark: #000000;

JSON

{
  "hex": "#1a399d",
  "rgb": {
    "r": 26,
    "g": 57,
    "b": 157
  },
  "hsl": {
    "h": 225.802,
    "s": 71.585,
    "l": 35.882
  },
  "oklch": {
    "l": 0.39269,
    "c": 0.16638,
    "h": 265.6
  },
  "luminance": 0.0558
}

Semantic roles & 50–950 ramp

primary

#1A399D

secondary

#C4A84E

accent

#C439EE

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #1A399D

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

Preview Lab → · Contrast checker → · Palette generator →