#1A2159#1A2159

#1A2159 is a dark, moderate blue. Relative luminance 0.020; OKLCH L 28.0% C 0.100 H 272.7°. Best body text is #FFFFFF at 14.94:1 contrast (WCAG AA passes).

Color values

HEX	#1A2159
RGB	rgb(26, 33, 89)
HSL	hsl(233, 55%, 23%)
HSV	hsv(233, 71%, 35%)
CMYK	cmyk(70.8%, 62.9%, 0%, 65.1%)
CIE-LAB	lab(15.64, 17.56, -34.76)
CIE-LCH	lch(15.64, 38.95, 296.79°)
OKLab	oklab(27.96% 0.0048 -0.1001)
OKLCH	oklch(27.96% 0.1 272.7)
XYZ	xyz(2.7724, 2.0283, 9.6947)
Luminance	0.0203 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2159 #59521A

analogous

#1A4159 #1A2159 #321A59

triadic

#1A2159 #591A21 #21591A

tetradic

#1A2159 #591A41 #59521A #1A5932

square

#1A2159 #591A41 #59521A #1A5932

split-complementary

#1A2159 #59321A #41591A

monochromatic

#070918 #0C0F2A #1A2159 #283388 #3644B8

Accessibility & contrast

On white

14.94

#1A2159 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#1A2159 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2159

14.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2159	#FFFFFF	#000000	##FFFFFF
##1A2159	1.00	14.94	1.41	14.94
#FFFFFF	14.94	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A5B

Deuteranopia (green-blind)

#002458

Tritanopia (blue-blind)

#002F39

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #1a2159;
/* rgb */ color: rgb(26, 33, 89);
/* oklch */ color: oklch(28.0% 0.100 272.7);

Tailwind

colors: {
  custom: {
    50: '#5f5c88',
    500: '#1a2159',
    950: '#000000',
  },
}

SCSS

$custom: #1a2159;
$custom-light: #5f5c88;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2159",
  "rgb": {
    "r": 26,
    "g": 33,
    "b": 89
  },
  "hsl": {
    "h": 233.333,
    "s": 54.783,
    "l": 22.549
  },
  "oklch": {
    "l": 0.27961,
    "c": 0.10018,
    "h": 272.7
  },
  "luminance": 0.02029
}

Semantic roles & 50–950 ramp

primary

#1A2159

secondary

#8F8640

accent

#CE4ADE

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05040B

muted

#79797C

Preview Lab

Preview with #1A2159

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

Preview Lab → · Contrast checker → · Palette generator →