#12353F#12353F

#12353F is a dark, muted cyan. Relative luminance 0.030; OKLCH L 30.8% C 0.044 H 219.7°. Best body text is #FFFFFF at 13.07:1 contrast (WCAG AA passes).

Color values

HEX	#12353F
RGB	rgb(18, 53, 63)
HSL	hsl(193, 56%, 16%)
HSV	hsv(193, 71%, 25%)
CMYK	cmyk(71.4%, 15.9%, 0%, 75.3%)
CIE-LAB	lab(20.18, -8.85, -10.00)
CIE-LCH	lch(20.18, 13.36, 228.48°)
OKLab	oklab(30.83% -0.0335 -0.0278)
OKLCH	oklch(30.83% 0.044 219.7)
XYZ	xyz(2.4194, 3.0334, 5.1597)
Luminance	0.0303 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12353F #3F1C12

analogous

#123F32 #12353F #121E3F

triadic

#12353F #3F1235 #353F12

tetradic

#12353F #32123F #3F1C12 #1E3F12

square

#12353F #32123F #3F1C12 #1E3F12

split-complementary

#12353F #3F121E #3F3212

monochromatic

#071418 #071418 #12353F #205D6F #2D859E

Accessibility & contrast

On white

13.07

#12353F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#12353F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12353F

13.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12353F	#FFFFFF	#000000	##FFFFFF
##12353F	1.00	13.07	1.61	13.07
#FFFFFF	13.07	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3340

Deuteranopia (green-blind)

#282F3F

Tritanopia (blue-blind)

#003838

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #12353f;
/* rgb */ color: rgb(18, 53, 63);
/* oklch */ color: oklch(30.8% 0.044 219.7);

Tailwind

colors: {
  custom: {
    50: '#566c74',
    500: '#12353f',
    950: '#000000',
  },
}

SCSS

$custom: #12353f;
$custom-light: #566c74;
$custom-dark: #000000;

JSON

{
  "hex": "#12353f",
  "rgb": {
    "r": 18,
    "g": 53,
    "b": 63
  },
  "hsl": {
    "h": 193.333,
    "s": 55.556,
    "l": 15.882
  },
  "oklch": {
    "l": 0.30833,
    "c": 0.04358,
    "h": 219.7
  },
  "luminance": 0.03034
}

Semantic roles & 50–950 ramp

primary

#12353F

secondary

#784435

accent

#6A49DF

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030708

muted

#787A7B

Preview Lab

Preview with #12353F

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

Preview Lab → · Contrast checker → · Palette generator →