#12478F#12478F

#12478F is a dark, vivid cyan. Relative luminance 0.066; OKLCH L 40.8% C 0.131 H 257.8°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#12478F
RGB	rgb(18, 71, 143)
HSL	hsl(215, 78%, 32%)
HSV	hsv(215, 87%, 56%)
CMYK	cmyk(87.4%, 50.3%, 0%, 43.9%)
CIE-LAB	lab(30.92, 11.83, -44.55)
CIE-LCH	lch(30.92, 46.09, 284.87°)
OKLab	oklab(40.81% -0.0277 -0.1283)
OKLCH	oklch(40.81% 0.131 257.8)
XYZ	xyz(7.4588, 6.6173, 26.8654)
Luminance	0.0662 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12478F #8F5A12

analogous

#12868F #12478F #1C128F

triadic

#12478F #8F1247 #478F12

tetradic

#12478F #8F1286 #8F5A12 #128F1C

square

#12478F #8F1286 #8F5A12 #128F1C

split-complementary

#12478F #8F1C12 #868F12

monochromatic

#041122 #0B2C59 #12478F #1962C5 #3680E6

Accessibility & contrast

On white

9.04

#12478F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#12478F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12478F

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12478F	#FFFFFF	#000000	##FFFFFF
##12478F	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B4F92

Deuteranopia (green-blind)

#00448E

Tritanopia (blue-blind)

#005864

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #12478f;
/* rgb */ color: rgb(18, 71, 143);
/* oklch */ color: oklch(40.8% 0.131 257.8);

Tailwind

colors: {
  custom: {
    50: '#6979b0',
    500: '#12478f',
    950: '#000000',
  },
}

SCSS

$custom: #12478f;
$custom-light: #6979b0;
$custom-dark: #000000;

JSON

{
  "hex": "#12478f",
  "rgb": {
    "r": 18,
    "g": 71,
    "b": 143
  },
  "hsl": {
    "h": 214.56,
    "s": 77.64,
    "l": 31.569
  },
  "oklch": {
    "l": 0.4081,
    "c": 0.13122,
    "h": 257.8
  },
  "luminance": 0.06618
}

Semantic roles & 50–950 ramp

primary

#12478F

secondary

#C3893A

accent

#A334F4

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #12478F

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

Preview Lab → · Contrast checker → · Palette generator →