#12558F#12558F

#12558F is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 44.1% C 0.115 H 250.1°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#12558F
RGB	rgb(18, 85, 143)
HSL	hsl(208, 78%, 32%)
HSV	hsv(208, 87%, 56%)
CMYK	cmyk(87.4%, 40.6%, 0%, 43.9%)
CIE-LAB	lab(35.22, 2.43, -37.65)
CIE-LCH	lch(35.22, 37.73, 273.69°)
OKLab	oklab(44.15% -0.0389 -0.1077)
OKLCH	oklch(44.15% 0.115 250.1)
XYZ	xyz(8.4540, 8.6077, 27.1972)
Luminance	0.0861 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12558F #8F4C12

analogous

#128F8B #12558F #12178F

triadic

#12558F #8F1255 #558F12

tetradic

#12558F #8B128F #8F4C12 #178F12

square

#12558F #8B128F #8F4C12 #178F12

split-complementary

#12558F #8F1217 #8F8B12

monochromatic

#041422 #0B3559 #12558F #1975C5 #3694E6

Accessibility & contrast

On white

7.72

#12558F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#12558F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12558F

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12558F	#FFFFFF	#000000	##FFFFFF
##12558F	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#395991

Deuteranopia (green-blind)

#244E8E

Tritanopia (blue-blind)

#00636B

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #12558f;
/* rgb */ color: rgb(18, 85, 143);
/* oklch */ color: oklch(44.1% 0.115 250.1);

Tailwind

colors: {
  custom: {
    50: '#6884b0',
    500: '#12558f',
    950: '#000000',
  },
}

SCSS

$custom: #12558f;
$custom-light: #6884b0;
$custom-dark: #000000;

JSON

{
  "hex": "#12558f",
  "rgb": {
    "r": 18,
    "g": 85,
    "b": 143
  },
  "hsl": {
    "h": 207.84,
    "s": 77.64,
    "l": 31.569
  },
  "oklch": {
    "l": 0.44146,
    "c": 0.1145,
    "h": 250.1
  },
  "luminance": 0.08609
}

Semantic roles & 50–950 ramp

primary

#12558F

secondary

#C3793A

accent

#8D34F4

background

#F6F8FA

surface

#ECEFF5

border

#C7CACF

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #12558F

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

Preview Lab → · Contrast checker → · Palette generator →