#12284E#12284E

#12284E is a dark, moderate blue. Relative luminance 0.022; OKLCH L 28.2% C 0.075 H 260.5°. Best body text is #FFFFFF at 14.59:1 contrast (WCAG AA passes).

Color values

HEX	#12284E
RGB	rgb(18, 40, 78)
HSL	hsl(218, 63%, 19%)
HSV	hsv(218, 77%, 31%)
CMYK	cmyk(76.9%, 48.7%, 0%, 69.4%)
CIE-LAB	lab(16.48, 6.32, -25.99)
CIE-LCH	lch(16.48, 26.75, 283.67°)
OKLab	oklab(28.2% -0.0124 -0.0743)
OKLCH	oklch(28.2% 0.075 260.5)
XYZ	xyz(2.3829, 2.1960, 7.5045)
Luminance	0.0220 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12284E #4E3812

analogous

#12464E #12284E #1A124E

triadic

#12284E #4E1228 #284E12

tetradic

#12284E #4E1246 #4E3812 #124E1A

square

#12284E #4E1246 #4E3812 #124E1A

split-complementary

#12284E #4E1A12 #464E12

monochromatic

#060D19 #070F1C #12284E #1D4280 #295BB1

Accessibility & contrast

On white

14.59

#12284E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#12284E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12284E

14.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12284E	#FFFFFF	#000000	##FFFFFF
##12284E	1.00	14.59	1.44	14.59
#FFFFFF	14.59	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#152C4F

Deuteranopia (green-blind)

#0A264D

Tritanopia (blue-blind)

#003137

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #12284e;
/* rgb */ color: rgb(18, 40, 78);
/* oklch */ color: oklch(28.2% 0.075 260.5);

Tailwind

colors: {
  custom: {
    50: '#596180',
    500: '#12284e',
    950: '#000000',
  },
}

SCSS

$custom: #12284e;
$custom-light: #596180;
$custom-dark: #000000;

JSON

{
  "hex": "#12284e",
  "rgb": {
    "r": 18,
    "g": 40,
    "b": 78
  },
  "hsl": {
    "h": 218,
    "s": 62.5,
    "l": 18.824
  },
  "oklch": {
    "l": 0.28202,
    "c": 0.07538,
    "h": 260.5
  },
  "luminance": 0.02196
}

Semantic roles & 50–950 ramp

primary

#12284E

secondary

#876935

accent

#AA42E6

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04050A

muted

#79797C

Preview Lab

Preview with #12284E

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

Preview Lab → · Contrast checker → · Palette generator →