#1A3593#1A3593

#1A3593 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.5% C 0.158 H 266.2°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#1A3593
RGB	rgb(26, 53, 147)
HSL	hsl(227, 70%, 34%)
HSV	hsv(227, 82%, 58%)
CMYK	cmyk(82.3%, 63.9%, 0%, 42.4%)
CIE-LAB	lab(26.37, 26.61, -54.40)
CIE-LCH	lch(26.37, 60.56, 296.07°)
OKLab	oklab(37.54% -0.0105 -0.1574)
OKLCH	oklch(37.54% 0.158 266.2)
XYZ	xyz(6.9637, 4.8716, 28.1714)
Luminance	0.0487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3593 #93781A

analogous

#1A7293 #1A3593 #3C1A93

triadic

#1A3593 #931A35 #35931A

tetradic

#1A3593 #931A72 #93781A #1A933C

square

#1A3593 #931A72 #93781A #1A933C

split-complementary

#1A3593 #933C1A #72931A

monochromatic

#08102B #11225F #1A3593 #2348C7 #496ADF

Accessibility & contrast

On white

10.64

#1A3593 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#1A3593 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3593

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3593	#FFFFFF	#000000	##FFFFFF
##1A3593	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004496

Deuteranopia (green-blind)

#003991

Tritanopia (blue-blind)

#004E5F

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1a3593;
/* rgb */ color: rgb(26, 53, 147);
/* oklch */ color: oklch(37.5% 0.158 266.2);

Tailwind

colors: {
  custom: {
    50: '#6d6cb4',
    500: '#1a3593',
    950: '#000000',
  },
}

SCSS

$custom: #1a3593;
$custom-light: #6d6cb4;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3593",
  "rgb": {
    "r": 26,
    "g": 53,
    "b": 147
  },
  "hsl": {
    "h": 226.612,
    "s": 69.942,
    "l": 33.922
  },
  "oklch": {
    "l": 0.37539,
    "c": 0.15778,
    "h": 266.2
  },
  "luminance": 0.04872
}

Semantic roles & 50–950 ramp

primary

#1A3593

secondary

#C0A648

accent

#C53BED

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1A3593

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

Preview Lab → · Contrast checker → · Palette generator →