#123A56#123A56

#123A56 is a dark, moderate cyan. Relative luminance 0.038; OKLCH L 33.5% C 0.066 H 243.1°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#123A56
RGB	rgb(18, 58, 86)
HSL	hsl(205, 65%, 20%)
HSV	hsv(205, 79%, 34%)
CMYK	cmyk(79.1%, 32.6%, 0%, 66.3%)
CIE-LAB	lab(23.09, -3.07, -20.87)
CIE-LCH	lch(23.09, 21.10, 261.64°)
OKLab	oklab(33.53% -0.03 -0.0591)
OKLCH	oklch(33.53% 0.066 243.1)
XYZ	xyz(3.4416, 3.8262, 9.3594)
Luminance	0.0383 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123A56 #562E12

analogous

#125650 #123A56 #121856

triadic

#123A56 #56123A #3A5612

tetradic

#123A56 #501256 #562E12 #185612

square

#123A56 #501256 #562E12 #185612

split-complementary

#123A56 #561218 #565012

monochromatic

#051119 #071823 #123A56 #1D5C89 #277EBB

Accessibility & contrast

On white

11.90

#123A56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#123A56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123A56

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123A56	#FFFFFF	#000000	##FFFFFF
##123A56	1.00	11.90	1.77	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3B57

Deuteranopia (green-blind)

#243455

Tritanopia (blue-blind)

#004144

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #123a56;
/* rgb */ color: rgb(18, 58, 86);
/* oklch */ color: oklch(33.5% 0.066 243.1);

Tailwind

colors: {
  custom: {
    50: '#5b7085',
    500: '#123a56',
    950: '#000000',
  },
}

SCSS

$custom: #123a56;
$custom-light: #5b7085;
$custom-dark: #000000;

JSON

{
  "hex": "#123a56",
  "rgb": {
    "r": 18,
    "g": 58,
    "b": 86
  },
  "hsl": {
    "h": 204.706,
    "s": 65.385,
    "l": 20.392
  },
  "oklch": {
    "l": 0.33528,
    "c": 0.06625,
    "h": 243.1
  },
  "luminance": 0.03827
}

Semantic roles & 50–950 ramp

primary

#123A56

secondary

#8F5A35

accent

#853FE8

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #123A56

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

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