#1A157C#1A157C

#1A157C is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.7% C 0.163 H 272.5°. Best body text is #FFFFFF at 14.56:1 contrast (WCAG AA passes).

Color values

HEX	#1A157C
RGB	rgb(26, 21, 124)
HSL	hsl(243, 71%, 28%)
HSV	hsv(243, 83%, 49%)
CMYK	cmyk(79%, 83.1%, 0%, 51.4%)
CIE-LAB	lab(16.56, 38.26, -56.14)
CIE-LCH	lch(16.56, 67.94, 304.27°)
OKLab	oklab(29.74% 0.0072 -0.1625)
OKLCH	oklch(29.74% 0.163 272.5)
XYZ	xyz(4.3310, 2.2107, 19.2633)
Luminance	0.0221 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A157C #777C15

analogous

#15437C #1A157C #4D157C

triadic

#1A157C #7C1A15 #157C1A

tetradic

#1A157C #7C1543 #777C15 #157C4D

square

#1A157C #7C1543 #777C15 #157C4D

split-complementary

#1A157C #7C4D15 #437C15

monochromatic

#05041A #0F0C48 #1A157C #251EB0 #3830DC

Accessibility & contrast

On white

14.56

#1A157C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#1A157C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A157C

14.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A157C	#FFFFFF	#000000	##FFFFFF
##1A157C	1.00	14.56	1.44	14.56
#FFFFFF	14.56	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E7F

Deuteranopia (green-blind)

#00247A

Tritanopia (blue-blind)

#003549

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1a157c;
/* rgb */ color: rgb(26, 21, 124);
/* oklch */ color: oklch(29.7% 0.163 272.5);

Tailwind

colors: {
  custom: {
    50: '#6a55a3',
    500: '#1a157c',
    950: '#000000',
  },
}

SCSS

$custom: #1a157c;
$custom-light: #6a55a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1a157c",
  "rgb": {
    "r": 26,
    "g": 21,
    "b": 124
  },
  "hsl": {
    "h": 242.913,
    "s": 71.034,
    "l": 28.431
  },
  "oklch": {
    "l": 0.2974,
    "c": 0.16262,
    "h": 272.5
  },
  "luminance": 0.02211
}

Semantic roles & 50–950 ramp

primary

#1A157C

secondary

#ACB13C

accent

#EE3AE5

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #1A157C

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

Preview Lab → · Contrast checker → · Palette generator →