#1A148E#1A148E

#1A148E is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.9% C 0.185 H 270.9°. Best body text is #FFFFFF at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#1A148E
RGB	rgb(26, 20, 142)
HSL	hsl(243, 75%, 32%)
HSV	hsv(243, 86%, 56%)
CMYK	cmyk(81.7%, 85.9%, 0%, 44.3%)
CIE-LAB	lab(18.68, 44.58, -63.98)
CIE-LCH	lch(18.68, 77.98, 304.86°)
OKLab	oklab(31.87% 0.0029 -0.1851)
OKLCH	oklch(31.87% 0.185 270.9)
XYZ	xyz(5.5570, 2.6723, 25.8089)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A148E #888E14

analogous

#144B8E #1A148E #57148E

triadic

#1A148E #8E1A14 #148E1A

tetradic

#1A148E #8E144B #888E14 #148E57

square

#1A148E #8E144B #888E14 #148E57

split-complementary

#1A148E #8E5714 #4B8E14

monochromatic

#060523 #100C58 #1A148E #241CC4 #4239E3

Accessibility & contrast

On white

13.68

#1A148E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#1A148E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A148E

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A148E	#FFFFFF	#000000	##FFFFFF
##1A148E	1.00	13.68	1.53	13.68
#FFFFFF	13.68	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003391

Deuteranopia (green-blind)

#00278C

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1a148e;
/* rgb */ color: rgb(26, 20, 142);
/* oklch */ color: oklch(31.9% 0.185 270.9);

Tailwind

colors: {
  custom: {
    50: '#6f56b0',
    500: '#1a148e',
    950: '#000000',
  },
}

SCSS

$custom: #1a148e;
$custom-light: #6f56b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a148e",
  "rgb": {
    "r": 26,
    "g": 20,
    "b": 142
  },
  "hsl": {
    "h": 242.951,
    "s": 75.309,
    "l": 31.765
  },
  "oklch": {
    "l": 0.31868,
    "c": 0.18515,
    "h": 270.9
  },
  "luminance": 0.02673
}

Semantic roles & 50–950 ramp

primary

#1A148E

secondary

#BBC23C

accent

#F236E9

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1A148E

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

Preview Lab → · Contrast checker → · Palette generator →