#1A157E#1A157E

#1A157E is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.0% C 0.165 H 272.3°. Best body text is #FFFFFF at 14.46:1 contrast (WCAG AA passes).

Color values

HEX	#1A157E
RGB	rgb(26, 21, 126)
HSL	hsl(243, 71%, 29%)
HSV	hsv(243, 83%, 49%)
CMYK	cmyk(79.4%, 83.3%, 0%, 50.6%)
CIE-LAB	lab(16.81, 38.93, -57.01)
CIE-LCH	lch(16.81, 69.03, 304.33°)
OKLab	oklab(29.99% 0.0067 -0.165)
OKLCH	oklch(29.99% 0.165 272.3)
XYZ	xyz(4.4588, 2.2618, 19.9362)
Luminance	0.0226 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A157E #797E15

analogous

#15457E #1A157E #4F157E

triadic

#1A157E #7E1A15 #157E1A

tetradic

#1A157E #7E1545 #797E15 #157E4F

square

#1A157E #7E1545 #797E15 #157E4F

split-complementary

#1A157E #7E4F15 #457E15

monochromatic

#05041A #0F0C4A #1A157E #251EB2 #3931DD

Accessibility & contrast

On white

14.46

#1A157E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#1A157E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A157E

14.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A157E	#FFFFFF	#000000	##FFFFFF
##1A157E	1.00	14.46	1.45	14.46
#FFFFFF	14.46	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E81

Deuteranopia (green-blind)

#00247C

Tritanopia (blue-blind)

#00364A

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1a157e;
/* rgb */ color: rgb(26, 21, 126);
/* oklch */ color: oklch(30.0% 0.165 272.3);

Tailwind

colors: {
  custom: {
    50: '#6a55a5',
    500: '#1a157e',
    950: '#000000',
  },
}

SCSS

$custom: #1a157e;
$custom-light: #6a55a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1a157e",
  "rgb": {
    "r": 26,
    "g": 21,
    "b": 126
  },
  "hsl": {
    "h": 242.857,
    "s": 71.429,
    "l": 28.824
  },
  "oklch": {
    "l": 0.29986,
    "c": 0.16511,
    "h": 272.3
  },
  "luminance": 0.02262
}

Semantic roles & 50–950 ramp

primary

#1A157E

secondary

#ADB33C

accent

#EE3AE6

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #1A157E

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

Preview Lab → · Contrast checker → · Palette generator →