#1A2F59#1A2F59

#1A2F59 is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.2% C 0.080 H 262.7°. Best body text is #FFFFFF at 13.17:1 contrast (WCAG AA passes).

Color values

HEX	#1A2F59
RGB	rgb(26, 47, 89)
HSL	hsl(220, 55%, 23%)
HSV	hsv(220, 71%, 35%)
CMYK	cmyk(70.8%, 47.2%, 0%, 65.1%)
CIE-LAB	lab(19.94, 7.30, -27.83)
CIE-LCH	lch(19.94, 28.77, 284.70°)
OKLab	oklab(31.22% -0.0102 -0.0795)
OKLCH	oklch(31.22% 0.08 262.7)
XYZ	xyz(3.2451, 2.9736, 9.8522)
Luminance	0.0297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2F59 #59441A

analogous

#1A4F59 #1A2F59 #241A59

triadic

#1A2F59 #591A2F #2F591A

tetradic

#1A2F59 #591A4F #59441A #1A5924

square

#1A2F59 #591A4F #59441A #1A5924

split-complementary

#1A2F59 #59241A #4F591A

monochromatic

#070D18 #0C162A #1A2F59 #284888 #3661B8

Accessibility & contrast

On white

13.17

#1A2F59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#1A2F59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2F59

13.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2F59	#FFFFFF	#000000	##FFFFFF
##1A2F59	1.00	13.17	1.59	13.17
#FFFFFF	13.17	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B335B

Deuteranopia (green-blind)

#112D58

Tritanopia (blue-blind)

#00393F

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1a2f59;
/* rgb */ color: rgb(26, 47, 89);
/* oklch */ color: oklch(31.2% 0.080 262.7);

Tailwind

colors: {
  custom: {
    50: '#5e6788',
    500: '#1a2f59',
    950: '#000000',
  },
}

SCSS

$custom: #1a2f59;
$custom-light: #5e6788;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2f59",
  "rgb": {
    "r": 26,
    "g": 47,
    "b": 89
  },
  "hsl": {
    "h": 220,
    "s": 54.783,
    "l": 22.549
  },
  "oklch": {
    "l": 0.31221,
    "c": 0.08011,
    "h": 262.7
  },
  "luminance": 0.02974
}

Semantic roles & 50–950 ramp

primary

#1A2F59

secondary

#8F7540

accent

#AD4ADE

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05060B

muted

#797A7C

Preview Lab

Preview with #1A2F59

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

Preview Lab → · Contrast checker → · Palette generator →