#123C53#123C53

#123C53 is a dark, moderate cyan. Relative luminance 0.040; OKLCH L 33.9% C 0.061 H 236.7°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#123C53
RGB	rgb(18, 60, 83)
HSL	hsl(201, 64%, 20%)
HSV	hsv(201, 78%, 33%)
CMYK	cmyk(78.3%, 27.7%, 0%, 67.5%)
CIE-LAB	lab(23.62, -5.61, -18.06)
CIE-LCH	lch(23.62, 18.92, 252.74°)
OKLab	oklab(33.9% -0.0334 -0.0509)
OKLCH	oklch(33.9% 0.061 236.7)
XYZ	xyz(3.4260, 3.9845, 8.7705)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123C53 #532912

analogous

#12534A #123C53 #121C53

triadic

#123C53 #53123C #3C5312

tetradic

#123C53 #4A1253 #532912 #1C5312

square

#123C53 #4A1253 #532912 #1C5312

split-complementary

#123C53 #53121C #534A12

monochromatic

#051219 #071821 #123C53 #1D6085 #2885B8

Accessibility & contrast

On white

11.69

#123C53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#123C53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123C53

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123C53	#FFFFFF	#000000	##FFFFFF
##123C53	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313C54

Deuteranopia (green-blind)

#283553

Tritanopia (blue-blind)

#004244

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #123c53;
/* rgb */ color: rgb(18, 60, 83);
/* oklch */ color: oklch(33.9% 0.061 236.7);

Tailwind

colors: {
  custom: {
    50: '#5a7183',
    500: '#123c53',
    950: '#000000',
  },
}

SCSS

$custom: #123c53;
$custom-light: #5a7183;
$custom-dark: #000000;

JSON

{
  "hex": "#123c53",
  "rgb": {
    "r": 18,
    "g": 60,
    "b": 83
  },
  "hsl": {
    "h": 201.231,
    "s": 64.356,
    "l": 19.804
  },
  "oklch": {
    "l": 0.33897,
    "c": 0.06088,
    "h": 236.7
  },
  "luminance": 0.03985
}

Semantic roles & 50–950 ramp

primary

#123C53

secondary

#8C5435

accent

#7C40E7

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070A

muted

#797A7C

Preview Lab

Preview with #123C53

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

Preview Lab → · Contrast checker → · Palette generator →