#123E54#123E54

#123E54 is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.5% C 0.061 H 234.4°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#123E54
RGB	rgb(18, 62, 84)
HSL	hsl(200, 65%, 20%)
HSV	hsv(200, 79%, 33%)
CMYK	cmyk(78.6%, 26.2%, 0%, 67.1%)
CIE-LAB	lab(24.37, -6.51, -17.56)
CIE-LCH	lch(24.37, 18.73, 249.65°)
OKLab	oklab(34.51% -0.0353 -0.0494)
OKLCH	oklch(34.51% 0.061 234.4)
XYZ	xyz(3.5717, 4.2135, 9.0108)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123E54 #542812

analogous

#125449 #123E54 #121D54

triadic

#123E54 #54123E #3E5412

tetradic

#123E54 #491254 #542812 #1D5412

square

#123E54 #491254 #542812 #1D5412

split-complementary

#123E54 #54121D #544912

monochromatic

#051319 #071922 #123E54 #1D6386 #2888B9

Accessibility & contrast

On white

11.40

#123E54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#123E54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123E54

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123E54	#FFFFFF	#000000	##FFFFFF
##123E54	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333D55

Deuteranopia (green-blind)

#2A3754

Tritanopia (blue-blind)

#004445

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #123e54;
/* rgb */ color: rgb(18, 62, 84);
/* oklch */ color: oklch(34.5% 0.061 234.4);

Tailwind

colors: {
  custom: {
    50: '#5a7384',
    500: '#123e54',
    950: '#000000',
  },
}

SCSS

$custom: #123e54;
$custom-light: #5a7384;
$custom-dark: #000000;

JSON

{
  "hex": "#123e54",
  "rgb": {
    "r": 18,
    "g": 62,
    "b": 84
  },
  "hsl": {
    "h": 200,
    "s": 64.706,
    "l": 20
  },
  "oklch": {
    "l": 0.34506,
    "c": 0.06074,
    "h": 234.4
  },
  "luminance": 0.04214
}

Semantic roles & 50–950 ramp

primary

#123E54

secondary

#8D5235

accent

#7840E8

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #123E54

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

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