#1A39A0#1A39A0

#1A39A0 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.6% C 0.170 H 265.7°. Best body text is #FFFFFF at 9.83:1 contrast (WCAG AA passes).

Color values

HEX	#1A39A0
RGB	rgb(26, 57, 160)
HSL	hsl(226, 72%, 36%)
HSV	hsv(226, 84%, 63%)
CMYK	cmyk(83.8%, 64.4%, 0%, 37.3%)
CIE-LAB	lab(28.60, 28.99, -58.68)
CIE-LCH	lch(28.60, 65.45, 296.29°)
OKLab	oklab(39.56% -0.0128 -0.1699)
OKLCH	oklch(39.56% 0.17 265.7)
XYZ	xyz(8.2321, 5.6829, 33.9139)
Luminance	0.0568 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A39A0 #A0811A

analogous

#1A7CA0 #1A39A0 #3E1AA0

triadic

#1A39A0 #A01A39 #39A01A

tetradic

#1A39A0 #A01A7C #A0811A #1AA03E

square

#1A39A0 #A01A7C #A0811A #1AA03E

split-complementary

#1A39A0 #A03E1A #7CA01A

monochromatic

#091337 #11266B #1A39A0 #234CD5 #5273E3

Accessibility & contrast

On white

9.83

#1A39A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#1A39A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A39A0

9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A39A0	#FFFFFF	#000000	##FFFFFF
##1A39A0	1.00	9.83	2.14	9.83
#FFFFFF	9.83	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA3

Deuteranopia (green-blind)

#003D9E

Tritanopia (blue-blind)

#005467

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1a39a0;
/* rgb */ color: rgb(26, 57, 160);
/* oklch */ color: oklch(39.6% 0.170 265.7);

Tailwind

colors: {
  custom: {
    50: '#706fbd',
    500: '#1a39a0',
    950: '#000000',
  },
}

SCSS

$custom: #1a39a0;
$custom-light: #706fbd;
$custom-dark: #000000;

JSON

{
  "hex": "#1a39a0",
  "rgb": {
    "r": 26,
    "g": 57,
    "b": 160
  },
  "hsl": {
    "h": 226.119,
    "s": 72.043,
    "l": 36.471
  },
  "oklch": {
    "l": 0.39555,
    "c": 0.17039,
    "h": 265.7
  },
  "luminance": 0.05684
}

Semantic roles & 50–950 ramp

primary

#1A39A0

secondary

#C5AA50

accent

#C539EF

background

#F7F6FB

surface

#EDECF7

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #1A39A0

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

Preview Lab → · Contrast checker → · Palette generator →