#1A3D89#1A3D89

#1A3D89 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.3% C 0.134 H 263.0°. Best body text is #FFFFFF at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#1A3D89
RGB	rgb(26, 61, 137)
HSL	hsl(221, 68%, 32%)
HSV	hsv(221, 81%, 54%)
CMYK	cmyk(81%, 55.5%, 0%, 46.3%)
CIE-LAB	lab(27.74, 17.05, -45.98)
CIE-LCH	lch(27.74, 49.04, 290.35°)
OKLab	oklab(38.31% -0.0162 -0.1326)
OKLCH	oklch(38.31% 0.134 263)
XYZ	xyz(6.6085, 5.3625, 24.3488)
Luminance	0.0536 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3D89 #89661A

analogous

#1A7589 #1A3D89 #2F1A89

triadic

#1A3D89 #891A3D #3D891A

tetradic

#1A3D89 #891A75 #89661A #1A892F

square

#1A3D89 #891A75 #89661A #1A892F

split-complementary

#1A3D89 #892F1A #75891A

monochromatic

#060F22 #102656 #1A3D89 #2454BC #4272DB

Accessibility & contrast

On white

10.13

#1A3D89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#1A3D89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3D89

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3D89	#FFFFFF	#000000	##FFFFFF
##1A3D89	1.00	10.13	2.07	10.13
#FFFFFF	10.13	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00478C

Deuteranopia (green-blind)

#003D88

Tritanopia (blue-blind)

#00505D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1a3d89;
/* rgb */ color: rgb(26, 61, 137);
/* oklch */ color: oklch(38.3% 0.134 263.0);

Tailwind

colors: {
  custom: {
    50: '#6a71ac',
    500: '#1a3d89',
    950: '#000000',
  },
}

SCSS

$custom: #1a3d89;
$custom-light: #6a71ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3d89",
  "rgb": {
    "r": 26,
    "g": 61,
    "b": 137
  },
  "hsl": {
    "h": 221.081,
    "s": 68.098,
    "l": 31.961
  },
  "oklch": {
    "l": 0.38308,
    "c": 0.13357,
    "h": 263
  },
  "luminance": 0.05363
}

Semantic roles & 50–950 ramp

primary

#1A3D89

secondary

#BC9643

accent

#B43DEB

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #1A3D89

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

Preview Lab → · Contrast checker → · Palette generator →