#1A157A#1A157A

#1A157A is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.5% C 0.160 H 272.7°. Best body text is #FFFFFF at 14.66:1 contrast (WCAG AA passes).

Color values

HEX	#1A157A
RGB	rgb(26, 21, 122)
HSL	hsl(243, 71%, 28%)
HSV	hsv(243, 83%, 48%)
CMYK	cmyk(78.7%, 82.8%, 0%, 52.2%)
CIE-LAB	lab(16.31, 37.59, -55.28)
CIE-LCH	lch(16.31, 66.85, 304.22°)
OKLab	oklab(29.5% 0.0077 -0.1599)
OKLCH	oklch(29.5% 0.16 272.7)
XYZ	xyz(4.2058, 2.1606, 18.6040)
Luminance	0.0216 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A157A #757A15

analogous

#15437A #1A157A #4C157A

triadic

#1A157A #7A1A15 #157A1A

tetradic

#1A157A #7A1543 #757A15 #157A4C

square

#1A157A #7A1543 #757A15 #157A4C

split-complementary

#1A157A #7A4C15 #437A15

monochromatic

#06041A #0F0C46 #1A157A #251EAE #372EDB

Accessibility & contrast

On white

14.66

#1A157A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#1A157A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A157A

14.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A157A	#FFFFFF	#000000	##FFFFFF
##1A157A	1.00	14.66	1.43	14.66
#FFFFFF	14.66	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D7D

Deuteranopia (green-blind)

#002378

Tritanopia (blue-blind)

#003448

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1a157a;
/* rgb */ color: rgb(26, 21, 122);
/* oklch */ color: oklch(29.5% 0.160 272.7);

Tailwind

colors: {
  custom: {
    50: '#6955a2',
    500: '#1a157a',
    950: '#000000',
  },
}

SCSS

$custom: #1a157a;
$custom-light: #6955a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1a157a",
  "rgb": {
    "r": 26,
    "g": 21,
    "b": 122
  },
  "hsl": {
    "h": 242.97,
    "s": 70.629,
    "l": 28.039
  },
  "oklch": {
    "l": 0.29496,
    "c": 0.16012,
    "h": 272.7
  },
  "luminance": 0.02161
}

Semantic roles & 50–950 ramp

primary

#1A157A

secondary

#AAAF3B

accent

#ED3AE5

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #1A157A

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

Preview Lab → · Contrast checker → · Palette generator →