#123D53#123D53

#123D53 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.2% C 0.060 H 235.0°. Best body text is #FFFFFF at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#123D53
RGB	rgb(18, 61, 83)
HSL	hsl(200, 64%, 20%)
HSV	hsv(200, 78%, 33%)
CMYK	cmyk(78.3%, 26.5%, 0%, 67.5%)
CIE-LAB	lab(23.97, -6.26, -17.52)
CIE-LCH	lch(23.97, 18.61, 250.33°)
OKLab	oklab(34.17% -0.0346 -0.0493)
OKLCH	oklch(34.17% 0.06 235)
XYZ	xyz(3.4789, 4.0902, 8.7881)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123D53 #532812

analogous

#125349 #123D53 #121C53

triadic

#123D53 #53123D #3D5312

tetradic

#123D53 #491253 #532812 #1C5312

square

#123D53 #491253 #532812 #1C5312

split-complementary

#123D53 #53121C #534912

monochromatic

#051219 #071821 #123D53 #1D6285 #2887B8

Accessibility & contrast

On white

11.55

#123D53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#123D53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123D53

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123D53	#FFFFFF	#000000	##FFFFFF
##123D53	1.00	11.55	1.82	11.55
#FFFFFF	11.55	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323D54

Deuteranopia (green-blind)

#2A3653

Tritanopia (blue-blind)

#004344

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #123d53;
/* rgb */ color: rgb(18, 61, 83);
/* oklch */ color: oklch(34.2% 0.060 235.0);

Tailwind

colors: {
  custom: {
    50: '#5a7283',
    500: '#123d53',
    950: '#000000',
  },
}

SCSS

$custom: #123d53;
$custom-light: #5a7283;
$custom-dark: #000000;

JSON

{
  "hex": "#123d53",
  "rgb": {
    "r": 18,
    "g": 61,
    "b": 83
  },
  "hsl": {
    "h": 200.308,
    "s": 64.356,
    "l": 19.804
  },
  "oklch": {
    "l": 0.34173,
    "c": 0.06022,
    "h": 235
  },
  "luminance": 0.04091
}

Semantic roles & 50–950 ramp

primary

#123D53

secondary

#8C5235

accent

#7940E7

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04080A

muted

#797B7C

Preview Lab

Preview with #123D53

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

Preview Lab → · Contrast checker → · Palette generator →