#123E50#123E50

#123E50 is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.3% C 0.056 H 229.1°. Best body text is #FFFFFF at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#123E50
RGB	rgb(18, 62, 80)
HSL	hsl(197, 63%, 19%)
HSV	hsv(197, 78%, 31%)
CMYK	cmyk(77.5%, 22.5%, 0%, 68.6%)
CIE-LAB	lab(24.17, -8.08, -15.23)
CIE-LCH	lch(24.17, 17.25, 242.05°)
OKLab	oklab(34.29% -0.037 -0.0427)
OKLCH	oklch(34.29% 0.056 229.1)
XYZ	xyz(3.4195, 4.1526, 8.2092)
Luminance	0.0415 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123E50 #502412

analogous

#125043 #123E50 #121F50

triadic

#123E50 #50123E #3E5012

tetradic

#123E50 #431250 #502412 #1F5012

square

#123E50 #431250 #502412 #1F5012

split-complementary

#123E50 #50121F #504312

monochromatic

#061319 #07171E #123E50 #1D6582 #288BB4

Accessibility & contrast

On white

11.47

#123E50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#123E50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123E50

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123E50	#FFFFFF	#000000	##FFFFFF
##123E50	1.00	11.47	1.83	11.47
#FFFFFF	11.47	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353D51

Deuteranopia (green-blind)

#2C3750

Tritanopia (blue-blind)

#004344

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #123e50;
/* rgb */ color: rgb(18, 62, 80);
/* oklch */ color: oklch(34.3% 0.056 229.1);

Tailwind

colors: {
  custom: {
    50: '#5a7381',
    500: '#123e50',
    950: '#000000',
  },
}

SCSS

$custom: #123e50;
$custom-light: #5a7381;
$custom-dark: #000000;

JSON

{
  "hex": "#123e50",
  "rgb": {
    "r": 18,
    "g": 62,
    "b": 80
  },
  "hsl": {
    "h": 197.419,
    "s": 63.265,
    "l": 19.216
  },
  "oklch": {
    "l": 0.34286,
    "c": 0.05649,
    "h": 229.1
  },
  "luminance": 0.04153
}

Semantic roles & 50–950 ramp

primary

#123E50

secondary

#894D35

accent

#7141E6

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #123E50

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

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