#12284C#12284C

#12284C is a dark, moderate blue. Relative luminance 0.022; OKLCH L 28.0% C 0.072 H 259.8°. Best body text is #FFFFFF at 14.65:1 contrast (WCAG AA passes).

Color values

HEX	#12284C
RGB	rgb(18, 40, 76)
HSL	hsl(217, 62%, 18%)
HSV	hsv(217, 76%, 30%)
CMYK	cmyk(76.3%, 47.4%, 0%, 70.2%)
CIE-LAB	lab(16.34, 5.47, -24.86)
CIE-LCH	lch(16.34, 25.45, 282.40°)
OKLab	oklab(28.05% -0.0128 -0.071)
OKLCH	oklch(28.05% 0.072 259.8)
XYZ	xyz(2.3123, 2.1677, 7.1326)
Luminance	0.0217 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12284C #4C3612

analogous

#12454C #12284C #19124C

triadic

#12284C #4C1228 #284C12

tetradic

#12284C #4C1245 #4C3612 #124C19

square

#12284C #4C1245 #4C3612 #124C19

split-complementary

#12284C #4C1912 #454C12

monochromatic

#060D19 #060E1B #12284C #1E427D #295CAF

Accessibility & contrast

On white

14.65

#12284C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#12284C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12284C

14.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12284C	#FFFFFF	#000000	##FFFFFF
##12284C	1.00	14.65	1.43	14.65
#FFFFFF	14.65	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#172B4D

Deuteranopia (green-blind)

#0D264B

Tritanopia (blue-blind)

#003036

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #12284c;
/* rgb */ color: rgb(18, 40, 76);
/* oklch */ color: oklch(28.0% 0.072 259.8);

Tailwind

colors: {
  custom: {
    50: '#58617e',
    500: '#12284c',
    950: '#000000',
  },
}

SCSS

$custom: #12284c;
$custom-light: #58617e;
$custom-dark: #000000;

JSON

{
  "hex": "#12284c",
  "rgb": {
    "r": 18,
    "g": 40,
    "b": 76
  },
  "hsl": {
    "h": 217.241,
    "s": 61.702,
    "l": 18.431
  },
  "oklch": {
    "l": 0.28049,
    "c": 0.07216,
    "h": 259.8
  },
  "luminance": 0.02168
}

Semantic roles & 50–950 ramp

primary

#12284C

secondary

#856735

accent

#A743E5

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04050A

muted

#79797C

Preview Lab

Preview with #12284C

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

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