#1A3D97#1A3D97

#1A3D97 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.5% C 0.153 H 264.3°. Best body text is #FFFFFF at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#1A3D97
RGB	rgb(26, 61, 151)
HSL	hsl(223, 71%, 35%)
HSV	hsv(223, 83%, 59%)
CMYK	cmyk(82.8%, 59.6%, 0%, 40.8%)
CIE-LAB	lab(28.88, 22.71, -52.75)
CIE-LCH	lch(28.88, 57.43, 293.30°)
OKLab	oklab(39.52% -0.0153 -0.1525)
OKLCH	oklch(39.52% 0.153 264.3)
XYZ	xyz(7.6787, 5.7905, 29.9851)
Luminance	0.0579 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3D97 #97741A

analogous

#1A7C97 #1A3D97 #361A97

triadic

#1A3D97 #971A3D #3D971A

tetradic

#1A3D97 #971A7C #97741A #1A9736

square

#1A3D97 #971A7C #97741A #1A9736

split-complementary

#1A3D97 #97361A #7C971A

monochromatic

#08132F #112863 #1A3D97 #2352CB #4B75E0

Accessibility & contrast

On white

9.73

#1A3D97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#1A3D97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3D97

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3D97	#FFFFFF	#000000	##FFFFFF
##1A3D97	1.00	9.73	2.16	9.73
#FFFFFF	9.73	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9A

Deuteranopia (green-blind)

#003F95

Tritanopia (blue-blind)

#005464

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1a3d97;
/* rgb */ color: rgb(26, 61, 151);
/* oklch */ color: oklch(39.5% 0.153 264.3);

Tailwind

colors: {
  custom: {
    50: '#6d72b6',
    500: '#1a3d97',
    950: '#000000',
  },
}

SCSS

$custom: #1a3d97;
$custom-light: #6d72b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3d97",
  "rgb": {
    "r": 26,
    "g": 61,
    "b": 151
  },
  "hsl": {
    "h": 223.2,
    "s": 70.621,
    "l": 34.706
  },
  "oklch": {
    "l": 0.39519,
    "c": 0.15323,
    "h": 264.3
  },
  "luminance": 0.05791
}

Semantic roles & 50–950 ramp

primary

#1A3D97

secondary

#C2A14B

accent

#BB3AED

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1A3D97

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

Preview Lab → · Contrast checker → · Palette generator →