#123355#123355

#123355 is a dark, moderate cyan. Relative luminance 0.032; OKLCH L 31.6% C 0.072 H 251.7°. Best body text is #FFFFFF at 12.88:1 contrast (WCAG AA passes).

Color values

HEX	#123355
RGB	rgb(18, 51, 85)
HSL	hsl(210, 65%, 20%)
HSV	hsv(210, 79%, 33%)
CMYK	cmyk(78.8%, 40%, 0%, 66.7%)
CIE-LAB	lab(20.64, 1.34, -24.07)
CIE-LCH	lch(20.64, 24.11, 273.18°)
OKLab	oklab(31.58% -0.0226 -0.0685)
OKLCH	oklch(31.58% 0.072 251.7)
XYZ	xyz(3.0724, 3.1518, 9.0390)
Luminance	0.0315 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123355 #553412

analogous

#125455 #123355 #121255

triadic

#123355 #551233 #335512

tetradic

#123355 #551254 #553412 #125512

square

#123355 #551254 #553412 #125512

split-complementary

#123355 #551212 #545512

monochromatic

#050F19 #071522 #123355 #1D5188 #2770BA

Accessibility & contrast

On white

12.88

#123355 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#123355 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123355

12.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123355	#FFFFFF	#000000	##FFFFFF
##123355	1.00	12.88	1.63	12.88
#FFFFFF	12.88	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#233556

Deuteranopia (green-blind)

#192F54

Tritanopia (blue-blind)

#003B40

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #123355;
/* rgb */ color: rgb(18, 51, 85);
/* oklch */ color: oklch(31.6% 0.072 251.7);

Tailwind

colors: {
  custom: {
    50: '#5a6a85',
    500: '#123355',
    950: '#000000',
  },
}

SCSS

$custom: #123355;
$custom-light: #5a6a85;
$custom-dark: #000000;

JSON

{
  "hex": "#123355",
  "rgb": {
    "r": 18,
    "g": 51,
    "b": 85
  },
  "hsl": {
    "h": 210.448,
    "s": 65.049,
    "l": 20.196
  },
  "oklch": {
    "l": 0.31584,
    "c": 0.07214,
    "h": 251.7
  },
  "luminance": 0.03152
}

Semantic roles & 50–950 ramp

primary

#123355

secondary

#8E6235

accent

#9540E8

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04060B

muted

#797A7C

Preview Lab

Preview with #123355

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

Preview Lab → · Contrast checker → · Palette generator →