#12304B#12304B

#12304B is a dark, moderate cyan. Relative luminance 0.028; OKLCH L 30.1% C 0.061 H 248.4°. Best body text is #FFFFFF at 13.55:1 contrast (WCAG AA passes).

Color values

HEX	#12304B
RGB	rgb(18, 48, 75)
HSL	hsl(208, 61%, 18%)
HSV	hsv(208, 76%, 29%)
CMYK	cmyk(76%, 36%, 0%, 70.6%)
CIE-LAB	lab(19.01, -0.74, -19.94)
CIE-LCH	lch(19.01, 19.96, 267.88°)
OKLab	oklab(30.11% -0.0224 -0.0565)
OKLCH	oklch(30.11% 0.061 248.4)
XYZ	xyz(2.5759, 2.7502, 7.0503)
Luminance	0.0275 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12304B #4B2D12

analogous

#124B49 #12304B #12134B

triadic

#12304B #4B1230 #304B12

tetradic

#12304B #49124B #4B2D12 #134B12

square

#12304B #49124B #4B2D12 #134B12

split-complementary

#12304B #4B1213 #4B4912

monochromatic

#061019 #06101A #12304B #1E507C #2A6FAE

Accessibility & contrast

On white

13.55

#12304B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#12304B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12304B

13.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12304B	#FFFFFF	#000000	##FFFFFF
##12304B	1.00	13.55	1.55	13.55
#FFFFFF	13.55	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24314C

Deuteranopia (green-blind)

#1C2C4A

Tritanopia (blue-blind)

#00363A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #12304b;
/* rgb */ color: rgb(18, 48, 75);
/* oklch */ color: oklch(30.1% 0.061 248.4);

Tailwind

colors: {
  custom: {
    50: '#58687d',
    500: '#12304b',
    950: '#000000',
  },
}

SCSS

$custom: #12304b;
$custom-light: #58687d;
$custom-dark: #000000;

JSON

{
  "hex": "#12304b",
  "rgb": {
    "r": 18,
    "g": 48,
    "b": 75
  },
  "hsl": {
    "h": 208.421,
    "s": 61.29,
    "l": 18.235
  },
  "oklch": {
    "l": 0.30111,
    "c": 0.06076,
    "h": 248.4
  },
  "luminance": 0.02751
}

Semantic roles & 50–950 ramp

primary

#12304B

secondary

#845A35

accent

#9043E4

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#040609

muted

#797A7B

Preview Lab

Preview with #12304B

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

Preview Lab → · Contrast checker → · Palette generator →