#123B52#123B52

#123B52 is a dark, moderate cyan. Relative luminance 0.039; OKLCH L 33.6% C 0.060 H 237.3°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#123B52
RGB	rgb(18, 59, 82)
HSL	hsl(202, 64%, 20%)
HSV	hsv(202, 78%, 32%)
CMYK	cmyk(78%, 28%, 0%, 67.8%)
CIE-LAB	lab(23.22, -5.35, -18.03)
CIE-LCH	lch(23.22, 18.80, 253.46°)
OKLab	oklab(33.56% -0.0327 -0.0508)
OKLCH	oklch(33.56% 0.06 237.3)
XYZ	xyz(3.3358, 3.8653, 8.5513)
Luminance	0.0387 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123B52 #522912

analogous

#125249 #123B52 #121B52

triadic

#123B52 #52123B #3B5212

tetradic

#123B52 #491252 #522912 #1B5212

square

#123B52 #491252 #522912 #1B5212

split-complementary

#123B52 #52121B #524912

monochromatic

#061219 #071720 #123B52 #1D5F84 #2883B6

Accessibility & contrast

On white

11.84

#123B52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#123B52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123B52

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123B52	#FFFFFF	#000000	##FFFFFF
##123B52	1.00	11.84	1.77	11.84
#FFFFFF	11.84	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303B53

Deuteranopia (green-blind)

#273552

Tritanopia (blue-blind)

#004143

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #123b52;
/* rgb */ color: rgb(18, 59, 82);
/* oklch */ color: oklch(33.6% 0.060 237.3);

Tailwind

colors: {
  custom: {
    50: '#5a7082',
    500: '#123b52',
    950: '#000000',
  },
}

SCSS

$custom: #123b52;
$custom-light: #5a7082;
$custom-dark: #000000;

JSON

{
  "hex": "#123b52",
  "rgb": {
    "r": 18,
    "g": 59,
    "b": 82
  },
  "hsl": {
    "h": 201.563,
    "s": 64,
    "l": 19.608
  },
  "oklch": {
    "l": 0.33563,
    "c": 0.06038,
    "h": 237.3
  },
  "luminance": 0.03866
}

Semantic roles & 50–950 ramp

primary

#123B52

secondary

#8B5435

accent

#7D41E7

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070A

muted

#797A7C

Preview Lab

Preview with #123B52

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

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