#1A138E#1A138E

#1A138E is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.8% C 0.186 H 271.0°. Best body text is #FFFFFF at 13.75:1 contrast (WCAG AA passes).

Color values

HEX	#1A138E
RGB	rgb(26, 19, 142)
HSL	hsl(243, 76%, 32%)
HSV	hsv(243, 87%, 56%)
CMYK	cmyk(81.7%, 86.6%, 0%, 44.3%)
CIE-LAB	lab(18.53, 45.02, -64.23)
CIE-LCH	lch(18.53, 78.44, 305.03°)
OKLab	oklab(31.77% 0.0031 -0.1858)
OKLCH	oklch(31.77% 0.186 271)
XYZ	xyz(5.5397, 2.6377, 25.8031)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A138E #878E13

analogous

#134A8E #1A138E #58138E

triadic

#1A138E #8E1A13 #138E1A

tetradic

#1A138E #8E134A #878E13 #138E58

square

#1A138E #8E134A #878E13 #138E58

split-complementary

#1A138E #8E5813 #4A8E13

monochromatic

#060522 #100C58 #1A138E #241AC4 #4137E4

Accessibility & contrast

On white

13.75

#1A138E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#1A138E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A138E

13.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A138E	#FFFFFF	#000000	##FFFFFF
##1A138E	1.00	13.75	1.53	13.75
#FFFFFF	13.75	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.75	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: #1a138e;
/* rgb */ color: rgb(26, 19, 142);
/* oklch */ color: oklch(31.8% 0.186 271.0);

Tailwind

colors: {
  custom: {
    50: '#6f56b0',
    500: '#1a138e',
    950: '#000000',
  },
}

SCSS

$custom: #1a138e;
$custom-light: #6f56b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a138e",
  "rgb": {
    "r": 26,
    "g": 19,
    "b": 142
  },
  "hsl": {
    "h": 243.415,
    "s": 76.398,
    "l": 31.569
  },
  "oklch": {
    "l": 0.31765,
    "c": 0.18586,
    "h": 271
  },
  "luminance": 0.02638
}

Semantic roles & 50–950 ramp

primary

#1A138E

secondary

#BAC23B

accent

#F335E8

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1A138E

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

Preview Lab → · Contrast checker → · Palette generator →