#123A52#123A52

#123A52 is a dark, moderate cyan. Relative luminance 0.038; OKLCH L 33.3% C 0.061 H 239.0°. Best body text is #FFFFFF at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#123A52
RGB	rgb(18, 58, 82)
HSL	hsl(203, 64%, 20%)
HSV	hsv(203, 78%, 32%)
CMYK	cmyk(78%, 29.3%, 0%, 67.8%)
CIE-LAB	lab(22.87, -4.69, -18.57)
CIE-LCH	lch(22.87, 19.15, 255.82°)
OKLab	oklab(33.29% -0.0315 -0.0524)
OKLCH	oklch(33.29% 0.061 239)
XYZ	xyz(3.2849, 3.7635, 8.5343)
Luminance	0.0376 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123A52 #522A12

analogous

#12524A #123A52 #121A52

triadic

#123A52 #52123A #3A5212

tetradic

#123A52 #4A1252 #522A12 #1A5212

square

#123A52 #4A1252 #522A12 #1A5212

split-complementary

#123A52 #52121A #524A12

monochromatic

#061219 #071720 #123A52 #1D5D84 #2881B6

Accessibility & contrast

On white

11.98

#123A52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#123A52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123A52

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123A52	#FFFFFF	#000000	##FFFFFF
##123A52	1.00	11.98	1.75	11.98
#FFFFFF	11.98	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3A53

Deuteranopia (green-blind)

#263452

Tritanopia (blue-blind)

#004042

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #123a52;
/* rgb */ color: rgb(18, 58, 82);
/* oklch */ color: oklch(33.3% 0.061 239.0);

Tailwind

colors: {
  custom: {
    50: '#5a7082',
    500: '#123a52',
    950: '#000000',
  },
}

SCSS

$custom: #123a52;
$custom-light: #5a7082;
$custom-dark: #000000;

JSON

{
  "hex": "#123a52",
  "rgb": {
    "r": 18,
    "g": 58,
    "b": 82
  },
  "hsl": {
    "h": 202.5,
    "s": 64,
    "l": 19.608
  },
  "oklch": {
    "l": 0.33287,
    "c": 0.06112,
    "h": 239
  },
  "luminance": 0.03764
}

Semantic roles & 50–950 ramp

primary

#123A52

secondary

#8B5535

accent

#7F41E7

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070A

muted

#797A7C

Preview Lab

Preview with #123A52

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

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