#1A399E#1A399E

#1A399E is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.4% C 0.168 H 265.6°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#1A399E
RGB	rgb(26, 57, 158)
HSL	hsl(226, 72%, 36%)
HSV	hsv(226, 84%, 62%)
CMYK	cmyk(83.5%, 63.9%, 0%, 38%)
CIE-LAB	lab(28.42, 28.21, -57.76)
CIE-LCH	lch(28.42, 64.28, 296.03°)
OKLab	oklab(39.36% -0.0128 -0.1672)
OKLCH	oklch(39.36% 0.168 265.6)
XYZ	xyz(8.0585, 5.6135, 32.9999)
Luminance	0.0561 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A399E #9E7F1A

analogous

#1A7B9E #1A399E #3D1A9E

triadic

#1A399E #9E1A39 #399E1A

tetradic

#1A399E #9E1A7B #9E7F1A #1A9E3D

square

#1A399E #9E1A7B #9E7F1A #1A9E3D

split-complementary

#1A399E #9E3D1A #7B9E1A

monochromatic

#091335 #112669 #1A399E #234CD3 #5072E2

Accessibility & contrast

On white

9.89

#1A399E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#1A399E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A399E

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A399E	#FFFFFF	#000000	##FFFFFF
##1A399E	1.00	9.89	2.12	9.89
#FFFFFF	9.89	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A1

Deuteranopia (green-blind)

#003D9C

Tritanopia (blue-blind)

#005466

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1a399e;
/* rgb */ color: rgb(26, 57, 158);
/* oklch */ color: oklch(39.4% 0.168 265.6);

Tailwind

colors: {
  custom: {
    50: '#706fbc',
    500: '#1a399e',
    950: '#000000',
  },
}

SCSS

$custom: #1a399e;
$custom-light: #706fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#1a399e",
  "rgb": {
    "r": 26,
    "g": 57,
    "b": 158
  },
  "hsl": {
    "h": 225.909,
    "s": 71.739,
    "l": 36.078
  },
  "oklch": {
    "l": 0.39364,
    "c": 0.16772,
    "h": 265.6
  },
  "luminance": 0.05614
}

Semantic roles & 50–950 ramp

primary

#1A399E

secondary

#C5A94F

accent

#C439EE

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #1A399E

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

Preview Lab → · Contrast checker → · Palette generator →