#123A4E#123A4E

#123A4E is a dark, muted cyan. Relative luminance 0.037; OKLCH L 33.1% C 0.056 H 234.0°. Best body text is #FFFFFF at 12.06:1 contrast (WCAG AA passes).

Color values

HEX	#123A4E
RGB	rgb(18, 58, 78)
HSL	hsl(200, 63%, 19%)
HSV	hsv(200, 77%, 31%)
CMYK	cmyk(76.9%, 25.6%, 0%, 69.4%)
CIE-LAB	lab(22.67, -6.29, -16.24)
CIE-LCH	lch(22.67, 17.41, 248.82°)
OKLab	oklab(33.06% -0.0331 -0.0456)
OKLCH	oklch(33.06% 0.056 234)
XYZ	xyz(3.1371, 3.7044, 7.7559)
Luminance	0.0370 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123A4E #4E2612

analogous

#124E44 #123A4E #121C4E

triadic

#123A4E #4E123A #3A4E12

tetradic

#123A4E #44124E #4E2612 #1C4E12

square

#123A4E #44124E #4E2612 #1C4E12

split-complementary

#123A4E #4E121C #4E4412

monochromatic

#061219 #07151C #123A4E #1D5F80 #2984B1

Accessibility & contrast

On white

12.06

#123A4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#123A4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123A4E

12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123A4E	#FFFFFF	#000000	##FFFFFF
##123A4E	1.00	12.06	1.74	12.06
#FFFFFF	12.06	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#30394F

Deuteranopia (green-blind)

#28344E

Tritanopia (blue-blind)

#003F41

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #123a4e;
/* rgb */ color: rgb(18, 58, 78);
/* oklch */ color: oklch(33.1% 0.056 234.0);

Tailwind

colors: {
  custom: {
    50: '#59707f',
    500: '#123a4e',
    950: '#000000',
  },
}

SCSS

$custom: #123a4e;
$custom-light: #59707f;
$custom-dark: #000000;

JSON

{
  "hex": "#123a4e",
  "rgb": {
    "r": 18,
    "g": 58,
    "b": 78
  },
  "hsl": {
    "h": 200,
    "s": 62.5,
    "l": 18.824
  },
  "oklch": {
    "l": 0.33057,
    "c": 0.05637,
    "h": 234
  },
  "luminance": 0.03705
}

Semantic roles & 50–950 ramp

primary

#123A4E

secondary

#875035

accent

#7942E6

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #123A4E

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

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