#12158F#12158F

#12158F is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.7% C 0.188 H 268.2°. Best body text is #FFFFFF at 13.73:1 contrast (WCAG AA passes).

Color values

HEX	#12158F
RGB	rgb(18, 21, 143)
HSL	hsl(239, 78%, 32%)
HSV	hsv(239, 87%, 56%)
CMYK	cmyk(87.4%, 85.3%, 0%, 43.9%)
CIE-LAB	lab(18.57, 44.07, -64.80)
CIE-LCH	lch(18.57, 78.36, 304.22°)
OKLab	oklab(31.72% -0.006 -0.1876)
OKLCH	oklch(31.72% 0.188 268.2)
XYZ	xyz(5.4738, 2.6474, 26.2038)
Luminance	0.0265 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12158F #8F8C12

analogous

#12548F #12158F #4E128F

triadic

#12158F #8F1215 #158F12

tetradic

#12158F #8F1254 #8F8C12 #128F4E

square

#12158F #8F1254 #8F8C12 #128F4E

split-complementary

#12158F #8F4E12 #548F12

monochromatic

#040522 #0B0D59 #12158F #191DC5 #363AE6

Accessibility & contrast

On white

13.73

#12158F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#12158F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12158F

13.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12158F	#FFFFFF	#000000	##FFFFFF
##12158F	1.00	13.73	1.53	13.73
#FFFFFF	13.73	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003492

Deuteranopia (green-blind)

#00268D

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #12158f;
/* rgb */ color: rgb(18, 21, 143);
/* oklch */ color: oklch(31.7% 0.188 268.2);

Tailwind

colors: {
  custom: {
    50: '#6d56b1',
    500: '#12158f',
    950: '#000000',
  },
}

SCSS

$custom: #12158f;
$custom-light: #6d56b1;
$custom-dark: #000000;

JSON

{
  "hex": "#12158f",
  "rgb": {
    "r": 18,
    "g": 21,
    "b": 143
  },
  "hsl": {
    "h": 238.56,
    "s": 77.64,
    "l": 31.569
  },
  "oklch": {
    "l": 0.31722,
    "c": 0.18772,
    "h": 268.2
  },
  "luminance": 0.02648
}

Semantic roles & 50–950 ramp

primary

#12158F

secondary

#C3C03A

accent

#F034F4

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #12158F

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

Preview Lab → · Contrast checker → · Palette generator →