#1A389E#1A389E

#1A389E is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.2% C 0.169 H 265.8°. Best body text is #FFFFFF at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#1A389E
RGB	rgb(26, 56, 158)
HSL	hsl(226, 72%, 36%)
HSV	hsv(226, 84%, 62%)
CMYK	cmyk(83.5%, 64.6%, 0%, 38%)
CIE-LAB	lab(28.16, 28.88, -58.19)
CIE-LCH	lch(28.16, 64.96, 296.40°)
OKLab	oklab(39.17% -0.0123 -0.1685)
OKLCH	oklch(39.17% 0.169 265.8)
XYZ	xyz(8.0096, 5.5156, 32.9836)
Luminance	0.0552 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A389E #9E801A

analogous

#1A7A9E #1A389E #3E1A9E

triadic

#1A389E #9E1A38 #389E1A

tetradic

#1A389E #9E1A7A #9E801A #1A9E3E

square

#1A389E #9E1A7A #9E801A #1A9E3E

split-complementary

#1A389E #9E3E1A #7A9E1A

monochromatic

#091335 #112569 #1A389E #234BD3 #5071E2

Accessibility & contrast

On white

9.98

#1A389E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#1A389E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A389E

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A389E	#FFFFFF	#000000	##FFFFFF
##1A389E	1.00	9.98	2.10	9.98
#FFFFFF	9.98	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A1

Deuteranopia (green-blind)

#003C9C

Tritanopia (blue-blind)

#005365

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1a389e;
/* rgb */ color: rgb(26, 56, 158);
/* oklch */ color: oklch(39.2% 0.169 265.8);

Tailwind

colors: {
  custom: {
    50: '#706ebc',
    500: '#1a389e',
    950: '#000000',
  },
}

SCSS

$custom: #1a389e;
$custom-light: #706ebc;
$custom-dark: #000000;

JSON

{
  "hex": "#1a389e",
  "rgb": {
    "r": 26,
    "g": 56,
    "b": 158
  },
  "hsl": {
    "h": 226.364,
    "s": 71.739,
    "l": 36.078
  },
  "oklch": {
    "l": 0.39172,
    "c": 0.16894,
    "h": 265.8
  },
  "luminance": 0.05517
}

Semantic roles & 50–950 ramp

primary

#1A389E

secondary

#C5AA4F

accent

#C539EE

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #1A389E

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

Preview Lab → · Contrast checker → · Palette generator →