#123748#123748

#123748 is a dark, muted cyan. Relative luminance 0.033; OKLCH L 31.9% C 0.051 H 231.5°. Best body text is #FFFFFF at 12.61:1 contrast (WCAG AA passes).

Color values

HEX	#123748
RGB	rgb(18, 55, 72)
HSL	hsl(199, 60%, 18%)
HSV	hsv(199, 75%, 28%)
CMYK	cmyk(75%, 23.6%, 0%, 71.8%)
CIE-LAB	lab(21.31, -6.69, -14.33)
CIE-LCH	lch(21.31, 15.82, 244.96°)
OKLab	oklab(31.88% -0.032 -0.0402)
OKLCH	oklch(31.88% 0.051 231.5)
XYZ	xyz(2.7849, 3.3286, 6.6253)
Luminance	0.0333 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123748 #482312

analogous

#12483E #123748 #121C48

triadic

#123748 #481237 #374812

tetradic

#123748 #3E1248 #482312 #1C4812

square

#123748 #3E1248 #482312 #1C4812

split-complementary

#123748 #48121C #483E12

monochromatic

#061318 #061318 #123748 #1E5C79 #2A82AA

Accessibility & contrast

On white

12.61

#123748 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#123748 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123748

12.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123748	#FFFFFF	#000000	##FFFFFF
##123748	1.00	12.61	1.67	12.61
#FFFFFF	12.61	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3649

Deuteranopia (green-blind)

#273148

Tritanopia (blue-blind)

#003C3D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #123748;
/* rgb */ color: rgb(18, 55, 72);
/* oklch */ color: oklch(31.9% 0.051 231.5);

Tailwind

colors: {
  custom: {
    50: '#586d7b',
    500: '#123748',
    950: '#000000',
  },
}

SCSS

$custom: #123748;
$custom-light: #586d7b;
$custom-dark: #000000;

JSON

{
  "hex": "#123748",
  "rgb": {
    "r": 18,
    "g": 55,
    "b": 72
  },
  "hsl": {
    "h": 198.889,
    "s": 60,
    "l": 17.647
  },
  "oklch": {
    "l": 0.3188,
    "c": 0.05136,
    "h": 231.5
  },
  "luminance": 0.03329
}

Semantic roles & 50–950 ramp

primary

#123748

secondary

#814D35

accent

#7745E3

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040709

muted

#797A7B

Preview Lab

Preview with #123748

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

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