#123255#123255

#123255 is a dark, moderate cyan. Relative luminance 0.031; OKLCH L 31.3% C 0.073 H 252.9°. Best body text is #FFFFFF at 13.02:1 contrast (WCAG AA passes).

Color values

HEX	#123255
RGB	rgb(18, 50, 85)
HSL	hsl(211, 65%, 20%)
HSV	hsv(211, 79%, 33%)
CMYK	cmyk(78.8%, 41.2%, 0%, 66.7%)
CIE-LAB	lab(20.30, 2.04, -24.61)
CIE-LCH	lch(20.30, 24.69, 274.75°)
OKLab	oklab(31.32% -0.0215 -0.0701)
OKLCH	oklch(31.32% 0.073 252.9)
XYZ	xyz(3.0291, 3.0653, 9.0246)
Luminance	0.0307 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123255 #553512

analogous

#125455 #123255 #131255

triadic

#123255 #551232 #325512

tetradic

#123255 #551254 #553512 #125513

square

#123255 #551254 #553512 #125513

split-complementary

#123255 #551312 #545512

monochromatic

#050F19 #071422 #123255 #1D5088 #276DBA

Accessibility & contrast

On white

13.02

#123255 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#123255 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123255

13.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123255	#FFFFFF	#000000	##FFFFFF
##123255	1.00	13.02	1.61	13.02
#FFFFFF	13.02	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#223456

Deuteranopia (green-blind)

#182E54

Tritanopia (blue-blind)

#003A3F

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #123255;
/* rgb */ color: rgb(18, 50, 85);
/* oklch */ color: oklch(31.3% 0.073 252.9);

Tailwind

colors: {
  custom: {
    50: '#5a6985',
    500: '#123255',
    950: '#000000',
  },
}

SCSS

$custom: #123255;
$custom-light: #5a6985;
$custom-dark: #000000;

JSON

{
  "hex": "#123255",
  "rgb": {
    "r": 18,
    "g": 50,
    "b": 85
  },
  "hsl": {
    "h": 211.343,
    "s": 65.049,
    "l": 20.196
  },
  "oklch": {
    "l": 0.31319,
    "c": 0.07333,
    "h": 252.9
  },
  "luminance": 0.03066
}

Semantic roles & 50–950 ramp

primary

#123255

secondary

#8E6335

accent

#9840E8

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04060B

muted

#797A7C

Preview Lab

Preview with #123255

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

Preview Lab → · Contrast checker → · Palette generator →