#1A3297#1A3297

#1A3297 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.4% C 0.167 H 266.9°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#1A3297
RGB	rgb(26, 50, 151)
HSL	hsl(228, 71%, 35%)
HSV	hsv(228, 83%, 59%)
CMYK	cmyk(82.8%, 66.9%, 0%, 40.8%)
CIE-LAB	lab(25.96, 30.20, -57.51)
CIE-LCH	lch(25.96, 64.96, 297.70°)
OKLab	oklab(37.36% -0.009 -0.1666)
OKLCH	oklch(37.36% 0.167 266.9)
XYZ	xyz(7.1506, 4.7343, 29.8091)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3297 #977F1A

analogous

#1A7197 #1A3297 #411A97

triadic

#1A3297 #971A32 #32971A

tetradic

#1A3297 #971A71 #977F1A #1A9741

square

#1A3297 #971A71 #977F1A #1A9741

split-complementary

#1A3297 #97411A #71971A

monochromatic

#080F2F #112163 #1A3297 #2343CB #4B68E0

Accessibility & contrast

On white

10.79

#1A3297 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#1A3297 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3297

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3297	#FFFFFF	#000000	##FFFFFF
##1A3297	1.00	10.79	1.95	10.79
#FFFFFF	10.79	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449A

Deuteranopia (green-blind)

#003895

Tritanopia (blue-blind)

#004D60

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1a3297;
/* rgb */ color: rgb(26, 50, 151);
/* oklch */ color: oklch(37.4% 0.167 266.9);

Tailwind

colors: {
  custom: {
    50: '#6e69b7',
    500: '#1a3297',
    950: '#000000',
  },
}

SCSS

$custom: #1a3297;
$custom-light: #6e69b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3297",
  "rgb": {
    "r": 26,
    "g": 50,
    "b": 151
  },
  "hsl": {
    "h": 228.48,
    "s": 70.621,
    "l": 34.706
  },
  "oklch": {
    "l": 0.37358,
    "c": 0.16681,
    "h": 266.9
  },
  "luminance": 0.04735
}

Semantic roles & 50–950 ramp

primary

#1A3297

secondary

#C2AB4B

accent

#CB3AED

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #1A3297

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

Preview Lab → · Contrast checker → · Palette generator →