#12197E#12197E

#12197E is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.1% C 0.164 H 268.7°. Best body text is #FFFFFF at 14.32:1 contrast (WCAG AA passes).

Color values

HEX	#12197E
RGB	rgb(18, 25, 126)
HSL	hsl(236, 75%, 28%)
HSV	hsv(236, 86%, 49%)
CMYK	cmyk(85.7%, 80.2%, 0%, 50.6%)
CIE-LAB	lab(17.13, 36.21, -56.48)
CIE-LCH	lch(17.13, 67.09, 302.66°)
OKLab	oklab(30.09% -0.0036 -0.1636)
OKLCH	oklch(30.09% 0.164 268.7)
XYZ	xyz(4.3617, 2.3297, 19.9544)
Luminance	0.0233 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12197E #7E7712

analogous

#124F7E #12197E #41127E

triadic

#12197E #7E1219 #197E12

tetradic

#12197E #7E124F #7E7712 #127E41

square

#12197E #7E124F #7E7712 #127E41

split-complementary

#12197E #7E4112 #4F7E12

monochromatic

#04051B #0A0E48 #12197E #1A24B4 #2A36E1

Accessibility & contrast

On white

14.32

#12197E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#12197E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12197E

14.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12197E	#FFFFFF	#000000	##FFFFFF
##12197E	1.00	14.32	1.47	14.32
#FFFFFF	14.32	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003081

Deuteranopia (green-blind)

#00257C

Tritanopia (blue-blind)

#00384B

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #12197e;
/* rgb */ color: rgb(18, 25, 126);
/* oklch */ color: oklch(30.1% 0.164 268.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#12197e",
  "rgb": {
    "r": 18,
    "g": 25,
    "b": 126
  },
  "hsl": {
    "h": 236.111,
    "s": 75,
    "l": 28.235
  },
  "oklch": {
    "l": 0.30094,
    "c": 0.16369,
    "h": 268.7
  },
  "luminance": 0.0233
}

Semantic roles & 50–950 ramp

primary

#12197E

secondary

#B4AC38

accent

#E536F2

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #12197E

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

Preview Lab → · Contrast checker → · Palette generator →