#1A3259#1A3259

#1A3259 is a dark, moderate blue. Relative luminance 0.032; OKLCH L 32.0% C 0.076 H 259.7°. Best body text is #FFFFFF at 12.77:1 contrast (WCAG AA passes).

Color values

HEX	#1A3259
RGB	rgb(26, 50, 89)
HSL	hsl(217, 55%, 23%)
HSV	hsv(217, 71%, 35%)
CMYK	cmyk(70.8%, 43.8%, 0%, 65.1%)
CIE-LAB	lab(20.91, 5.15, -26.27)
CIE-LCH	lch(20.91, 26.77, 281.08°)
OKLab	oklab(31.97% -0.0137 -0.0748)
OKLCH	oklch(31.97% 0.076 259.7)
XYZ	xyz(3.3691, 3.2218, 9.8936)
Luminance	0.0322 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3259 #59411A

analogous

#1A5159 #1A3259 #211A59

triadic

#1A3259 #591A32 #32591A

tetradic

#1A3259 #591A51 #59411A #1A5921

square

#1A3259 #591A51 #59411A #1A5921

split-complementary

#1A3259 #59211A #51591A

monochromatic

#070D18 #0C172A #1A3259 #284D88 #3667B8

Accessibility & contrast

On white

12.77

#1A3259 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#1A3259 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3259

12.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3259	#FFFFFF	#000000	##FFFFFF
##1A3259	1.00	12.77	1.64	12.77
#FFFFFF	12.77	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20355B

Deuteranopia (green-blind)

#173058

Tritanopia (blue-blind)

#003B41

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1a3259;
/* rgb */ color: rgb(26, 50, 89);
/* oklch */ color: oklch(32.0% 0.076 259.7);

Tailwind

colors: {
  custom: {
    50: '#5e6988',
    500: '#1a3259',
    950: '#000000',
  },
}

SCSS

$custom: #1a3259;
$custom-light: #5e6988;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3259",
  "rgb": {
    "r": 26,
    "g": 50,
    "b": 89
  },
  "hsl": {
    "h": 217.143,
    "s": 54.783,
    "l": 22.549
  },
  "oklch": {
    "l": 0.31973,
    "c": 0.07609,
    "h": 259.7
  },
  "luminance": 0.03222
}

Semantic roles & 50–950 ramp

primary

#1A3259

secondary

#8F7140

accent

#A64ADE

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05060B

muted

#797A7C

Preview Lab

Preview with #1A3259

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

Preview Lab → · Contrast checker → · Palette generator →