#1A379E#1A379E

#1A379E is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.0% C 0.170 H 266.0°. Best body text is #FFFFFF at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#1A379E
RGB	rgb(26, 55, 158)
HSL	hsl(227, 72%, 36%)
HSV	hsv(227, 84%, 62%)
CMYK	cmyk(83.5%, 65.2%, 0%, 38%)
CIE-LAB	lab(27.90, 29.55, -58.61)
CIE-LCH	lch(27.90, 65.64, 296.76°)
OKLab	oklab(38.98% -0.0117 -0.1697)
OKLCH	oklch(38.98% 0.17 266)
XYZ	xyz(7.9616, 5.4196, 32.9676)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A379E #9E811A

analogous

#1A799E #1A379E #3F1A9E

triadic

#1A379E #9E1A37 #379E1A

tetradic

#1A379E #9E1A79 #9E811A #1A9E3F

square

#1A379E #9E1A79 #9E811A #1A9E3F

split-complementary

#1A379E #9E3F1A #799E1A

monochromatic

#091235 #112569 #1A379E #2349D3 #5070E2

Accessibility & contrast

On white

10.08

#1A379E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#1A379E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A379E

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A379E	#FFFFFF	#000000	##FFFFFF
##1A379E	1.00	10.08	2.08	10.08
#FFFFFF	10.08	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A1

Deuteranopia (green-blind)

#003C9C

Tritanopia (blue-blind)

#005265

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1a379e;
/* rgb */ color: rgb(26, 55, 158);
/* oklch */ color: oklch(39.0% 0.170 266.0);

Tailwind

colors: {
  custom: {
    50: '#706dbc',
    500: '#1a379e',
    950: '#000000',
  },
}

SCSS

$custom: #1a379e;
$custom-light: #706dbc;
$custom-dark: #000000;

JSON

{
  "hex": "#1a379e",
  "rgb": {
    "r": 26,
    "g": 55,
    "b": 158
  },
  "hsl": {
    "h": 226.818,
    "s": 71.739,
    "l": 36.078
  },
  "oklch": {
    "l": 0.38982,
    "c": 0.17015,
    "h": 266
  },
  "luminance": 0.05421
}

Semantic roles & 50–950 ramp

primary

#1A379E

secondary

#C5AB4F

accent

#C739EE

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #1A379E

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

Preview Lab → · Contrast checker → · Palette generator →