#12138F#12138F

#12138F is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.5% C 0.189 H 268.2°. Best body text is #FFFFFF at 13.86:1 contrast (WCAG AA passes).

Color values

HEX	#12138F
RGB	rgb(18, 19, 143)
HSL	hsl(240, 78%, 32%)
HSV	hsv(240, 87%, 56%)
CMYK	cmyk(87.4%, 86.7%, 0%, 43.9%)
CIE-LAB	lab(18.26, 44.99, -65.31)
CIE-LCH	lch(18.26, 79.31, 304.56°)
OKLab	oklab(31.51% -0.0058 -0.1891)
OKLCH	oklch(31.51% 0.189 268.2)
XYZ	xyz(5.4386, 2.5768, 26.1920)
Luminance	0.0258 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12138F #8F8E12

analogous

#12528F #12138F #50128F

triadic

#12138F #8F1213 #138F12

tetradic

#12138F #8F1252 #8F8E12 #128F50

square

#12138F #8F1252 #8F8E12 #128F50

split-complementary

#12138F #8F5012 #528F12

monochromatic

#040522 #0B0C59 #12138F #191AC5 #3637E6

Accessibility & contrast

On white

13.86

#12138F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#12138F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12138F

13.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12138F	#FFFFFF	#000000	##FFFFFF
##12138F	1.00	13.86	1.52	13.86
#FFFFFF	13.86	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003392

Deuteranopia (green-blind)

#00268D

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #12138f;
/* rgb */ color: rgb(18, 19, 143);
/* oklch */ color: oklch(31.5% 0.189 268.2);

Tailwind

colors: {
  custom: {
    50: '#6d55b1',
    500: '#12138f',
    950: '#000000',
  },
}

SCSS

$custom: #12138f;
$custom-light: #6d55b1;
$custom-dark: #000000;

JSON

{
  "hex": "#12138f",
  "rgb": {
    "r": 18,
    "g": 19,
    "b": 143
  },
  "hsl": {
    "h": 239.52,
    "s": 77.64,
    "l": 31.569
  },
  "oklch": {
    "l": 0.31508,
    "c": 0.18916,
    "h": 268.2
  },
  "luminance": 0.02578
}

Semantic roles & 50–950 ramp

primary

#12138F

secondary

#C3C23A

accent

#F334F4

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #12138F

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

Preview Lab → · Contrast checker → · Palette generator →