#12304E#12304E

#12304E is a dark, moderate cyan. Relative luminance 0.028; OKLCH L 30.3% C 0.065 H 250.9°. Best body text is #FFFFFF at 13.47:1 contrast (WCAG AA passes).

Color values

HEX	#12304E
RGB	rgb(18, 48, 78)
HSL	hsl(210, 63%, 19%)
HSV	hsv(210, 77%, 31%)
CMYK	cmyk(76.9%, 38.5%, 0%, 69.4%)
CIE-LAB	lab(19.19, 0.51, -21.68)
CIE-LCH	lch(19.19, 21.69, 271.35°)
OKLab	oklab(30.31% -0.0214 -0.0616)
OKLCH	oklch(30.31% 0.065 250.9)
XYZ	xyz(2.6810, 2.7923, 7.6039)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12304E #4E3012

analogous

#124E4E #12304E #12124E

triadic

#12304E #4E1230 #304E12

tetradic

#12304E #4E124E #4E3012 #124E12

square

#12304E #4E124E #4E3012 #124E12

split-complementary

#12304E #4E1212 #4E4E12

monochromatic

#060F19 #07111C #12304E #1D4F80 #296DB1

Accessibility & contrast

On white

13.47

#12304E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#12304E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12304E

13.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12304E	#FFFFFF	#000000	##FFFFFF
##12304E	1.00	13.47	1.56	13.47
#FFFFFF	13.47	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23324F

Deuteranopia (green-blind)

#1A2C4D

Tritanopia (blue-blind)

#00373B

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #12304e;
/* rgb */ color: rgb(18, 48, 78);
/* oklch */ color: oklch(30.3% 0.065 250.9);

Tailwind

colors: {
  custom: {
    50: '#59687f',
    500: '#12304e',
    950: '#000000',
  },
}

SCSS

$custom: #12304e;
$custom-light: #59687f;
$custom-dark: #000000;

JSON

{
  "hex": "#12304e",
  "rgb": {
    "r": 18,
    "g": 48,
    "b": 78
  },
  "hsl": {
    "h": 210,
    "s": 62.5,
    "l": 18.824
  },
  "oklch": {
    "l": 0.30309,
    "c": 0.06519,
    "h": 250.9
  },
  "luminance": 0.02793
}

Semantic roles & 50–950 ramp

primary

#12304E

secondary

#875E35

accent

#9442E6

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #12304E

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

Preview Lab → · Contrast checker → · Palette generator →