#123155#123155

#123155 is a dark, moderate cyan. Relative luminance 0.030; OKLCH L 31.1% C 0.075 H 254.1°. Best body text is #FFFFFF at 13.16:1 contrast (WCAG AA passes).

Color values

HEX	#123155
RGB	rgb(18, 49, 85)
HSL	hsl(212, 65%, 20%)
HSV	hsv(212, 79%, 33%)
CMYK	cmyk(78.8%, 42.4%, 0%, 66.7%)
CIE-LAB	lab(19.97, 2.75, -25.14)
CIE-LCH	lch(19.97, 25.29, 276.25°)
OKLab	oklab(31.06% -0.0204 -0.0717)
OKLCH	oklch(31.06% 0.075 254.1)
XYZ	xyz(2.9869, 2.9808, 9.0105)
Luminance	0.0298 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123155 #553612

analogous

#125255 #123155 #141255

triadic

#123155 #551231 #315512

tetradic

#123155 #551252 #553612 #125514

square

#123155 #551252 #553612 #125514

split-complementary

#123155 #551412 #525512

monochromatic

#050F19 #071422 #123155 #1D4E88 #276BBA

Accessibility & contrast

On white

13.16

#123155 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#123155 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123155

13.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123155	#FFFFFF	#000000	##FFFFFF
##123155	1.00	13.16	1.60	13.16
#FFFFFF	13.16	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#203456

Deuteranopia (green-blind)

#162D54

Tritanopia (blue-blind)

#00393E

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #123155;
/* rgb */ color: rgb(18, 49, 85);
/* oklch */ color: oklch(31.1% 0.075 254.1);

Tailwind

colors: {
  custom: {
    50: '#5a6885',
    500: '#123155',
    950: '#000000',
  },
}

SCSS

$custom: #123155;
$custom-light: #5a6885;
$custom-dark: #000000;

JSON

{
  "hex": "#123155",
  "rgb": {
    "r": 18,
    "g": 49,
    "b": 85
  },
  "hsl": {
    "h": 212.239,
    "s": 65.049,
    "l": 20.196
  },
  "oklch": {
    "l": 0.31056,
    "c": 0.07453,
    "h": 254.1
  },
  "luminance": 0.02981
}

Semantic roles & 50–950 ramp

primary

#123155

secondary

#8E6535

accent

#9A40E8

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04060B

muted

#797A7C

Preview Lab

Preview with #123155

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

Preview Lab → · Contrast checker → · Palette generator →