#12356A#12356A

#12356A is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.6% C 0.101 H 258.8°. Best body text is #FFFFFF at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#12356A
RGB	rgb(18, 53, 106)
HSL	hsl(216, 71%, 24%)
HSV	hsv(216, 83%, 42%)
CMYK	cmyk(83%, 50%, 0%, 58.4%)
CIE-LAB	lab(22.71, 8.85, -34.53)
CIE-LCH	lch(22.71, 35.65, 284.37°)
OKLab	oklab(33.64% -0.0196 -0.0992)
OKLCH	oklch(33.64% 0.101 258.8)
XYZ	xyz(4.1231, 3.7149, 14.1326)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12356A #6A4712

analogous

#12616A #12356A #1B126A

triadic

#12356A #6A1235 #356A12

tetradic

#12356A #6A1261 #6A4712 #126A1B

square

#12356A #6A1261 #6A4712 #126A1B

split-complementary

#12356A #6A1B12 #616A12

monochromatic

#040D1A #091B36 #12356A #1B4F9E #2469D3

Accessibility & contrast

On white

12.05

#12356A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#12356A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12356A

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12356A	#FFFFFF	#000000	##FFFFFF
##12356A	1.00	12.05	1.74	12.05
#FFFFFF	12.05	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#183A6C

Deuteranopia (green-blind)

#003269

Tritanopia (blue-blind)

#00424A

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #12356a;
/* rgb */ color: rgb(18, 53, 106);
/* oklch */ color: oklch(33.6% 0.101 258.8);

Tailwind

colors: {
  custom: {
    50: '#5f6b95',
    500: '#12356a',
    950: '#000000',
  },
}

SCSS

$custom: #12356a;
$custom-light: #5f6b95;
$custom-dark: #000000;

JSON

{
  "hex": "#12356a",
  "rgb": {
    "r": 18,
    "g": 53,
    "b": 106
  },
  "hsl": {
    "h": 216.136,
    "s": 70.968,
    "l": 24.314
  },
  "oklch": {
    "l": 0.33641,
    "c": 0.1011,
    "h": 258.8
  },
  "luminance": 0.03715
}

Semantic roles & 50–950 ramp

primary

#12356A

secondary

#A27736

accent

#A63AEE

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#05060D

muted

#7A7A7E

Preview Lab

Preview with #12356A

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

Preview Lab → · Contrast checker → · Palette generator →