#123D72#123D72

#123D72 is a dark, moderate cyan. Relative luminance 0.047; OKLCH L 36.2% C 0.103 H 255.9°. Best body text is #FFFFFF at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#123D72
RGB	rgb(18, 61, 114)
HSL	hsl(213, 73%, 26%)
HSV	hsv(213, 84%, 45%)
CMYK	cmyk(84.2%, 46.5%, 0%, 55.3%)
CIE-LAB	lab(25.80, 6.58, -34.68)
CIE-LCH	lch(25.80, 35.30, 280.75°)
OKLab	oklab(36.21% -0.0251 -0.0994)
OKLCH	oklch(36.21% 0.103 255.9)
XYZ	xyz(4.9543, 4.6804, 16.5586)
Luminance	0.0468 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123D72 #724712

analogous

#126D72 #123D72 #171272

triadic

#123D72 #72123D #3D7212

tetradic

#123D72 #72126D #724712 #127217

square

#123D72 #72126D #724712 #127217

split-complementary

#123D72 #721712 #6D7212

monochromatic

#040E1A #0A213D #123D72 #1A59A7 #2376DC

Accessibility & contrast

On white

10.85

#123D72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#123D72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123D72

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123D72	#FFFFFF	#000000	##FFFFFF
##123D72	1.00	10.85	1.94	10.85
#FFFFFF	10.85	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#214274

Deuteranopia (green-blind)

#0D3971

Tritanopia (blue-blind)

#004A52

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #123d72;
/* rgb */ color: rgb(18, 61, 114);
/* oklch */ color: oklch(36.2% 0.103 255.9);

Tailwind

colors: {
  custom: {
    50: '#61729b',
    500: '#123d72',
    950: '#000000',
  },
}

SCSS

$custom: #123d72;
$custom-light: #61729b;
$custom-dark: #000000;

JSON

{
  "hex": "#123d72",
  "rgb": {
    "r": 18,
    "g": 61,
    "b": 114
  },
  "hsl": {
    "h": 213.125,
    "s": 72.727,
    "l": 25.882
  },
  "oklch": {
    "l": 0.36213,
    "c": 0.10256,
    "h": 255.9
  },
  "luminance": 0.04681
}

Semantic roles & 50–950 ramp

primary

#123D72

secondary

#A97637

accent

#9D38EF

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #123D72

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

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