#1A3D90#1A3D90

#1A3D90 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 38.9% C 0.143 H 263.7°. Best body text is #FFFFFF at 9.93:1 contrast (WCAG AA passes).

Color values

HEX	#1A3D90
RGB	rgb(26, 61, 144)
HSL	hsl(222, 69%, 33%)
HSV	hsv(222, 82%, 56%)
CMYK	cmyk(81.9%, 57.6%, 0%, 43.5%)
CIE-LAB	lab(28.30, 19.89, -49.39)
CIE-LCH	lch(28.30, 53.25, 291.94°)
OKLab	oklab(38.9% -0.0157 -0.1426)
OKLCH	oklch(38.9% 0.143 263.7)
XYZ	xyz(7.1270, 5.5699, 27.0796)
Luminance	0.0557 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3D90 #906D1A

analogous

#1A7890 #1A3D90 #321A90

triadic

#1A3D90 #901A3D #3D901A

tetradic

#1A3D90 #901A78 #906D1A #1A9032

square

#1A3D90 #901A78 #906D1A #1A9032

split-complementary

#1A3D90 #90321A #78901A

monochromatic

#071128 #11275C #1A3D90 #2353C4 #4773DE

Accessibility & contrast

On white

9.93

#1A3D90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#1A3D90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3D90

9.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3D90	#FFFFFF	#000000	##FFFFFF
##1A3D90	1.00	9.93	2.11	9.93
#FFFFFF	9.93	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004893

Deuteranopia (green-blind)

#003E8E

Tritanopia (blue-blind)

#005260

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1a3d90;
/* rgb */ color: rgb(26, 61, 144);
/* oklch */ color: oklch(38.9% 0.143 263.7);

Tailwind

colors: {
  custom: {
    50: '#6c71b1',
    500: '#1a3d90',
    950: '#000000',
  },
}

SCSS

$custom: #1a3d90;
$custom-light: #6c71b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3d90",
  "rgb": {
    "r": 26,
    "g": 61,
    "b": 144
  },
  "hsl": {
    "h": 222.203,
    "s": 69.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.38904,
    "c": 0.14348,
    "h": 263.7
  },
  "luminance": 0.05571
}

Semantic roles & 50–950 ramp

primary

#1A3D90

secondary

#BF9B47

accent

#B83CEC

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1A3D90

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

Preview Lab → · Contrast checker → · Palette generator →