#123A42#123A42

#123A42 is a dark, muted cyan. Relative luminance 0.035; OKLCH L 32.4% C 0.046 H 213.2°. Best body text is #FFFFFF at 12.28:1 contrast (WCAG AA passes).

Color values

HEX	#123A42
RGB	rgb(18, 58, 66)
HSL	hsl(190, 57%, 16%)
HSV	hsv(190, 73%, 26%)
CMYK	cmyk(72.7%, 12.1%, 0%, 74.1%)
CIE-LAB	lab(22.12, -10.88, -9.07)
CIE-LCH	lch(22.12, 14.17, 219.81°)
OKLab	oklab(32.43% -0.0385 -0.0252)
OKLCH	oklch(32.43% 0.046 213.2)
XYZ	xyz(2.7455, 3.5478, 5.6933)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123A42 #421A12

analogous

#124232 #123A42 #122242

triadic

#123A42 #42123A #3A4212

tetradic

#123A42 #321242 #421A12 #224212

square

#123A42 #321242 #421A12 #224212

split-complementary

#123A42 #421222 #423212

monochromatic

#071518 #071518 #123A42 #1F6472 #2C8FA2

Accessibility & contrast

On white

12.28

#123A42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#123A42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123A42

12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123A42	#FFFFFF	#000000	##FFFFFF
##123A42	1.00	12.28	1.71	12.28
#FFFFFF	12.28	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343842

Deuteranopia (green-blind)

#2D3342

Tritanopia (blue-blind)

#003D3C

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #123a42;
/* rgb */ color: rgb(18, 58, 66);
/* oklch */ color: oklch(32.4% 0.046 213.2);

Tailwind

colors: {
  custom: {
    50: '#577076',
    500: '#123a42',
    950: '#000000',
  },
}

SCSS

$custom: #123a42;
$custom-light: #577076;
$custom-dark: #000000;

JSON

{
  "hex": "#123a42",
  "rgb": {
    "r": 18,
    "g": 58,
    "b": 66
  },
  "hsl": {
    "h": 190,
    "s": 57.143,
    "l": 16.471
  },
  "oklch": {
    "l": 0.32432,
    "c": 0.04601,
    "h": 213.2
  },
  "luminance": 0.03548
}

Semantic roles & 50–950 ramp

primary

#123A42

secondary

#7B4035

accent

#6147E0

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030708

muted

#787A7B

Preview Lab

Preview with #123A42

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

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