#12197F#12197F

#12197F is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.2% C 0.165 H 268.7°. Best body text is #FFFFFF at 14.27:1 contrast (WCAG AA passes).

Color values

HEX	#12197F
RGB	rgb(18, 25, 127)
HSL	hsl(236, 75%, 28%)
HSV	hsv(236, 86%, 50%)
CMYK	cmyk(85.8%, 80.3%, 0%, 50.2%)
CIE-LAB	lab(17.25, 36.56, -56.92)
CIE-LCH	lch(17.25, 67.65, 302.72°)
OKLab	oklab(30.22% -0.0038 -0.1649)
OKLCH	oklch(30.22% 0.165 268.7)
XYZ	xyz(4.4265, 2.3556, 20.2959)
Luminance	0.0236 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12197F #7F7812

analogous

#124F7F #12197F #41127F

triadic

#12197F #7F1219 #197F12

tetradic

#12197F #7F124F #7F7812 #127F41

square

#12197F #7F124F #7F7812 #127F41

split-complementary

#12197F #7F4112 #4F7F12

monochromatic

#04051B #0A0E49 #12197F #1A24B5 #2B36E1

Accessibility & contrast

On white

14.27

#12197F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#12197F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12197F

14.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12197F	#FFFFFF	#000000	##FFFFFF
##12197F	1.00	14.27	1.47	14.27
#FFFFFF	14.27	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003082

Deuteranopia (green-blind)

#00257D

Tritanopia (blue-blind)

#00384B

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #12197f;
/* rgb */ color: rgb(18, 25, 127);
/* oklch */ color: oklch(30.2% 0.165 268.7);

Tailwind

colors: {
  custom: {
    50: '#6857a5',
    500: '#12197f',
    950: '#000000',
  },
}

SCSS

$custom: #12197f;
$custom-light: #6857a5;
$custom-dark: #000000;

JSON

{
  "hex": "#12197f",
  "rgb": {
    "r": 18,
    "g": 25,
    "b": 127
  },
  "hsl": {
    "h": 236.147,
    "s": 75.172,
    "l": 28.431
  },
  "oklch": {
    "l": 0.30216,
    "c": 0.16495,
    "h": 268.7
  },
  "luminance": 0.02356
}

Semantic roles & 50–950 ramp

primary

#12197F

secondary

#B5AD38

accent

#E636F2

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #12197F

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

Preview Lab → · Contrast checker → · Palette generator →