#12155A#12155A

#12155A is a dark, vivid blue. Relative luminance 0.014; OKLCH L 25.2% C 0.120 H 272.0°. Best body text is #FFFFFF at 16.40:1 contrast (WCAG AA passes).

Color values

HEX	#12155A
RGB	rgb(18, 21, 90)
HSL	hsl(238, 67%, 21%)
HSV	hsv(238, 80%, 35%)
CMYK	cmyk(80%, 76.7%, 0%, 64.7%)
CIE-LAB	lab(11.98, 25.33, -41.45)
CIE-LCH	lch(11.98, 48.57, 301.43°)
OKLab	oklab(25.17% 0.0042 -0.1199)
OKLCH	oklch(25.17% 0.12 272)
XYZ	xyz(2.3625, 1.4029, 9.8172)
Luminance	0.0140 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12155A #5A5712

analogous

#12395A #12155A #33125A

triadic

#12155A #5A1215 #155A12

tetradic

#12155A #5A1239 #5A5712 #125A33

square

#12155A #5A1239 #5A5712 #125A33

split-complementary

#12155A #5A3312 #395A12

monochromatic

#05061A #080927 #12155A #1C218D #262DC0

Accessibility & contrast

On white

16.40

#12155A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#12155A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12155A

16.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12155A	#FFFFFF	#000000	##FFFFFF
##12155A	1.00	16.40	1.28	16.40
#FFFFFF	16.40	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00235C

Deuteranopia (green-blind)

#001C59

Tritanopia (blue-blind)

#002836

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #12155a;
/* rgb */ color: rgb(18, 21, 90);
/* oklch */ color: oklch(25.2% 0.120 272.0);

Tailwind

colors: {
  custom: {
    50: '#5e5389',
    500: '#12155a',
    950: '#000000',
  },
}

SCSS

$custom: #12155a;
$custom-light: #5e5389;
$custom-dark: #000000;

JSON

{
  "hex": "#12155a",
  "rgb": {
    "r": 18,
    "g": 21,
    "b": 90
  },
  "hsl": {
    "h": 237.5,
    "s": 66.667,
    "l": 21.176
  },
  "oklch": {
    "l": 0.25174,
    "c": 0.12001,
    "h": 272
  },
  "luminance": 0.01403
}

Semantic roles & 50–950 ramp

primary

#12155A

secondary

#938F35

accent

#E23EEA

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020C

muted

#79787D

Preview Lab

Preview with #12155A

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

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