#1A157D#1A157D

#1A157D is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.9% C 0.164 H 272.4°. Best body text is #FFFFFF at 14.51:1 contrast (WCAG AA passes).

Color values

HEX	#1A157D
RGB	rgb(26, 21, 125)
HSL	hsl(243, 71%, 29%)
HSV	hsv(243, 83%, 49%)
CMYK	cmyk(79.2%, 83.2%, 0%, 51%)
CIE-LAB	lab(16.68, 38.59, -56.58)
CIE-LCH	lch(16.68, 68.49, 304.30°)
OKLab	oklab(29.86% 0.0069 -0.1637)
OKLCH	oklch(29.86% 0.164 272.4)
XYZ	xyz(4.3946, 2.2361, 19.5981)
Luminance	0.0224 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A157D #787D15

analogous

#15447D #1A157D #4E157D

triadic

#1A157D #7D1A15 #157D1A

tetradic

#1A157D #7D1544 #787D15 #157D4E

square

#1A157D #7D1544 #787D15 #157D4E

split-complementary

#1A157D #7D4E15 #447D15

monochromatic

#05041A #0F0C49 #1A157D #251EB1 #3830DC

Accessibility & contrast

On white

14.51

#1A157D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#1A157D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A157D

14.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A157D	#FFFFFF	#000000	##FFFFFF
##1A157D	1.00	14.51	1.45	14.51
#FFFFFF	14.51	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E80

Deuteranopia (green-blind)

#00247B

Tritanopia (blue-blind)

#00364A

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1a157d;
/* rgb */ color: rgb(26, 21, 125);
/* oklch */ color: oklch(29.9% 0.164 272.4);

Tailwind

colors: {
  custom: {
    50: '#6a55a4',
    500: '#1a157d',
    950: '#000000',
  },
}

SCSS

$custom: #1a157d;
$custom-light: #6a55a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1a157d",
  "rgb": {
    "r": 26,
    "g": 21,
    "b": 125
  },
  "hsl": {
    "h": 242.885,
    "s": 71.233,
    "l": 28.627
  },
  "oklch": {
    "l": 0.29863,
    "c": 0.16387,
    "h": 272.4
  },
  "luminance": 0.02237
}

Semantic roles & 50–950 ramp

primary

#1A157D

secondary

#ACB23C

accent

#EE3AE5

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #1A157D

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

Preview Lab → · Contrast checker → · Palette generator →