#123B4C#123B4C

#123B4C is a dark, muted cyan. Relative luminance 0.038; OKLCH L 33.2% C 0.054 H 229.2°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#123B4C
RGB	rgb(18, 59, 76)
HSL	hsl(198, 62%, 18%)
HSV	hsv(198, 76%, 30%)
CMYK	cmyk(76.3%, 22.4%, 0%, 70.2%)
CIE-LAB	lab(22.92, -7.72, -14.51)
CIE-LCH	lch(22.92, 16.44, 241.98°)
OKLab	oklab(33.23% -0.0351 -0.0407)
OKLCH	oklch(33.23% 0.054 229.2)
XYZ	xyz(3.1174, 3.7780, 7.4010)
Luminance	0.0378 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123B4C #4C2312

analogous

#124C40 #123B4C #121E4C

triadic

#123B4C #4C123B #3B4C12

tetradic

#123B4C #40124C #4C2312 #1E4C12

square

#123B4C #40124C #4C2312 #1E4C12

split-complementary

#123B4C #4C121E #4C4012

monochromatic

#061319 #06151B #123B4C #1E617D #2988AF

Accessibility & contrast

On white

11.96

#123B4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#123B4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123B4C

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123B4C	#FFFFFF	#000000	##FFFFFF
##123B4C	1.00	11.96	1.76	11.96
#FFFFFF	11.96	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323A4D

Deuteranopia (green-blind)

#2A344C

Tritanopia (blue-blind)

#004041

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #123b4c;
/* rgb */ color: rgb(18, 59, 76);
/* oklch */ color: oklch(33.2% 0.054 229.2);

Tailwind

colors: {
  custom: {
    50: '#59707e',
    500: '#123b4c',
    950: '#000000',
  },
}

SCSS

$custom: #123b4c;
$custom-light: #59707e;
$custom-dark: #000000;

JSON

{
  "hex": "#123b4c",
  "rgb": {
    "r": 18,
    "g": 59,
    "b": 76
  },
  "hsl": {
    "h": 197.586,
    "s": 61.702,
    "l": 18.431
  },
  "oklch": {
    "l": 0.33228,
    "c": 0.05375,
    "h": 229.2
  },
  "luminance": 0.03778
}

Semantic roles & 50–950 ramp

primary

#123B4C

secondary

#854C35

accent

#7243E5

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#040709

muted

#797A7B

Preview Lab

Preview with #123B4C

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

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