#1A3793#1A3793

#1A3793 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.9% C 0.155 H 265.7°. Best body text is #FFFFFF at 10.44:1 contrast (WCAG AA passes).

Color values

HEX	#1A3793
RGB	rgb(26, 55, 147)
HSL	hsl(226, 70%, 34%)
HSV	hsv(226, 82%, 58%)
CMYK	cmyk(82.3%, 62.6%, 0%, 42.4%)
CIE-LAB	lab(26.90, 25.24, -53.53)
CIE-LCH	lch(26.90, 59.18, 295.25°)
OKLab	oklab(37.93% -0.0117 -0.1548)
OKLCH	oklch(37.93% 0.155 265.7)
XYZ	xyz(7.0568, 5.0577, 28.2024)
Luminance	0.0506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3793 #93761A

analogous

#1A7493 #1A3793 #3A1A93

triadic

#1A3793 #931A37 #37931A

tetradic

#1A3793 #931A74 #93761A #1A933A

square

#1A3793 #931A74 #93761A #1A933A

split-complementary

#1A3793 #933A1A #74931A

monochromatic

#08102B #11245F #1A3793 #234AC7 #496DDF

Accessibility & contrast

On white

10.44

#1A3793 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#1A3793 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3793

10.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3793	#FFFFFF	#000000	##FFFFFF
##1A3793	1.00	10.44	2.01	10.44
#FFFFFF	10.44	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004596

Deuteranopia (green-blind)

#003A91

Tritanopia (blue-blind)

#004F5F

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1a3793;
/* rgb */ color: rgb(26, 55, 147);
/* oklch */ color: oklch(37.9% 0.155 265.7);

Tailwind

colors: {
  custom: {
    50: '#6d6db4',
    500: '#1a3793',
    950: '#000000',
  },
}

SCSS

$custom: #1a3793;
$custom-light: #6d6db4;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3793",
  "rgb": {
    "r": 26,
    "g": 55,
    "b": 147
  },
  "hsl": {
    "h": 225.62,
    "s": 69.942,
    "l": 33.922
  },
  "oklch": {
    "l": 0.37934,
    "c": 0.15529,
    "h": 265.7
  },
  "luminance": 0.05059
}

Semantic roles & 50–950 ramp

primary

#1A3793

secondary

#C0A448

accent

#C23BED

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1A3793

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

Preview Lab → · Contrast checker → · Palette generator →