#1A148D#1A148D

#1A148D is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.7% C 0.184 H 271.0°. Best body text is #FFFFFF at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#1A148D
RGB	rgb(26, 20, 141)
HSL	hsl(243, 75%, 32%)
HSV	hsv(243, 86%, 55%)
CMYK	cmyk(81.6%, 85.8%, 0%, 44.7%)
CIE-LAB	lab(18.55, 44.26, -63.57)
CIE-LCH	lch(18.55, 77.46, 304.85°)
OKLab	oklab(31.74% 0.0032 -0.1839)
OKLCH	oklch(31.74% 0.184 271)
XYZ	xyz(5.4823, 2.6424, 25.4152)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A148D #878D14

analogous

#144B8D #1A148D #57148D

triadic

#1A148D #8D1A14 #148D1A

tetradic

#1A148D #8D144B #878D14 #148D57

square

#1A148D #8D144B #878D14 #148D57

split-complementary

#1A148D #8D5714 #4B8D14

monochromatic

#060522 #100C57 #1A148D #241CC3 #4139E3

Accessibility & contrast

On white

13.74

#1A148D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#1A148D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A148D

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A148D	#FFFFFF	#000000	##FFFFFF
##1A148D	1.00	13.74	1.53	13.74
#FFFFFF	13.74	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003390

Deuteranopia (green-blind)

#00278B

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1a148d;
/* rgb */ color: rgb(26, 20, 141);
/* oklch */ color: oklch(31.7% 0.184 271.0);

Tailwind

colors: {
  custom: {
    50: '#6f56b0',
    500: '#1a148d',
    950: '#000000',
  },
}

SCSS

$custom: #1a148d;
$custom-light: #6f56b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a148d",
  "rgb": {
    "r": 26,
    "g": 20,
    "b": 141
  },
  "hsl": {
    "h": 242.975,
    "s": 75.155,
    "l": 31.569
  },
  "oklch": {
    "l": 0.31742,
    "c": 0.18398,
    "h": 271
  },
  "luminance": 0.02643
}

Semantic roles & 50–950 ramp

primary

#1A148D

secondary

#BAC13C

accent

#F236E8

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1A148D

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

Preview Lab → · Contrast checker → · Palette generator →