#123E4D#123E4D

#123E4D is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.1% C 0.054 H 224.5°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#123E4D
RGB	rgb(18, 62, 77)
HSL	hsl(195, 62%, 19%)
HSV	hsv(195, 77%, 30%)
CMYK	cmyk(76.6%, 19.5%, 0%, 69.8%)
CIE-LAB	lab(24.03, -9.24, -13.47)
CIE-LCH	lch(24.03, 16.34, 235.54°)
OKLab	oklab(34.13% -0.0383 -0.0377)
OKLCH	oklch(34.13% 0.054 224.5)
XYZ	xyz(3.3111, 4.1093, 7.6384)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123E4D #4D2112

analogous

#124D3E #123E4D #12204D

triadic

#123E4D #4D123E #3E4D12

tetradic

#123E4D #3E124D #4D2112 #204D12

square

#123E4D #3E124D #4D2112 #204D12

split-complementary

#123E4D #4D1220 #4D3E12

monochromatic

#061419 #06161B #123E4D #1E667F #298EB0

Accessibility & contrast

On white

11.53

#123E4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#123E4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123E4D

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123E4D	#FFFFFF	#000000	##FFFFFF
##123E4D	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363D4E

Deuteranopia (green-blind)

#2D374D

Tritanopia (blue-blind)

#004343

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #123e4d;
/* rgb */ color: rgb(18, 62, 77);
/* oklch */ color: oklch(34.1% 0.054 224.5);

Tailwind

colors: {
  custom: {
    50: '#59737e',
    500: '#123e4d',
    950: '#000000',
  },
}

SCSS

$custom: #123e4d;
$custom-light: #59737e;
$custom-dark: #000000;

JSON

{
  "hex": "#123e4d",
  "rgb": {
    "r": 18,
    "g": 62,
    "b": 77
  },
  "hsl": {
    "h": 195.254,
    "s": 62.105,
    "l": 18.627
  },
  "oklch": {
    "l": 0.34127,
    "c": 0.05371,
    "h": 224.5
  },
  "luminance": 0.0411
}

Semantic roles & 50–950 ramp

primary

#123E4D

secondary

#864935

accent

#6C43E5

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #123E4D

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

Preview Lab → · Contrast checker → · Palette generator →