#123D4C#123D4C

#123D4C is a dark, muted cyan. Relative luminance 0.040; OKLCH L 33.8% C 0.053 H 225.0°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#123D4C
RGB	rgb(18, 61, 76)
HSL	hsl(196, 62%, 18%)
HSV	hsv(196, 76%, 30%)
CMYK	cmyk(76.3%, 19.7%, 0%, 70.2%)
CIE-LAB	lab(23.63, -9.00, -13.42)
CIE-LCH	lch(23.63, 16.16, 236.17°)
OKLab	oklab(33.79% -0.0375 -0.0375)
OKLCH	oklch(33.79% 0.053 225)
XYZ	xyz(3.2222, 3.9875, 7.4359)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123D4C #4C2112

analogous

#124C3E #123D4C #12204C

triadic

#123D4C #4C123D #3D4C12

tetradic

#123D4C #3E124C #4C2112 #204C12

square

#123D4C #3E124C #4C2112 #204C12

split-complementary

#123D4C #4C1220 #4C3E12

monochromatic

#061419 #06151B #123D4C #1E657D #298CAF

Accessibility & contrast

On white

11.68

#123D4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#123D4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123D4C

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123D4C	#FFFFFF	#000000	##FFFFFF
##123D4C	1.00	11.68	1.80	11.68
#FFFFFF	11.68	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353C4D

Deuteranopia (green-blind)

#2D364C

Tritanopia (blue-blind)

#004142

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #123d4c;
/* rgb */ color: rgb(18, 61, 76);
/* oklch */ color: oklch(33.8% 0.053 225.0);

Tailwind

colors: {
  custom: {
    50: '#59727e',
    500: '#123d4c',
    950: '#000000',
  },
}

SCSS

$custom: #123d4c;
$custom-light: #59727e;
$custom-dark: #000000;

JSON

{
  "hex": "#123d4c",
  "rgb": {
    "r": 18,
    "g": 61,
    "b": 76
  },
  "hsl": {
    "h": 195.517,
    "s": 61.702,
    "l": 18.431
  },
  "oklch": {
    "l": 0.33792,
    "c": 0.05309,
    "h": 225
  },
  "luminance": 0.03988
}

Semantic roles & 50–950 ramp

primary

#123D4C

secondary

#854A35

accent

#6D43E5

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #123D4C

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

Preview Lab → · Contrast checker → · Palette generator →