#123D50#123D50

#123D50 is a dark, muted cyan. Relative luminance 0.040; OKLCH L 34.0% C 0.057 H 231.0°. Best body text is #FFFFFF at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#123D50
RGB	rgb(18, 61, 80)
HSL	hsl(198, 63%, 19%)
HSV	hsv(198, 78%, 31%)
CMYK	cmyk(77.5%, 23.7%, 0%, 68.6%)
CIE-LAB	lab(23.82, -7.45, -15.78)
CIE-LCH	lch(23.82, 17.44, 244.73°)
OKLab	oklab(34.01% -0.0358 -0.0443)
OKLCH	oklch(34.01% 0.057 231)
XYZ	xyz(3.3656, 4.0449, 8.1912)
Luminance	0.0404 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123D50 #502512

analogous

#125044 #123D50 #121E50

triadic

#123D50 #50123D #3D5012

tetradic

#123D50 #441250 #502512 #1E5012

square

#123D50 #441250 #502512 #1E5012

split-complementary

#123D50 #50121E #504412

monochromatic

#061319 #07171E #123D50 #1D6382 #2889B4

Accessibility & contrast

On white

11.61

#123D50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#123D50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123D50

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123D50	#FFFFFF	#000000	##FFFFFF
##123D50	1.00	11.61	1.81	11.61
#FFFFFF	11.61	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333C51

Deuteranopia (green-blind)

#2B3650

Tritanopia (blue-blind)

#004243

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #123d50;
/* rgb */ color: rgb(18, 61, 80);
/* oklch */ color: oklch(34.0% 0.057 231.0);

Tailwind

colors: {
  custom: {
    50: '#5a7281',
    500: '#123d50',
    950: '#000000',
  },
}

SCSS

$custom: #123d50;
$custom-light: #5a7281;
$custom-dark: #000000;

JSON

{
  "hex": "#123d50",
  "rgb": {
    "r": 18,
    "g": 61,
    "b": 80
  },
  "hsl": {
    "h": 198.387,
    "s": 63.265,
    "l": 19.216
  },
  "oklch": {
    "l": 0.34006,
    "c": 0.05695,
    "h": 231
  },
  "luminance": 0.04045
}

Semantic roles & 50–950 ramp

primary

#123D50

secondary

#894F35

accent

#7441E6

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #123D50

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

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