#123D71#123D71

#123D71 is a dark, moderate cyan. Relative luminance 0.047; OKLCH L 36.1% C 0.101 H 255.5°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#123D71
RGB	rgb(18, 61, 113)
HSL	hsl(213, 73%, 26%)
HSV	hsv(213, 84%, 44%)
CMYK	cmyk(84.1%, 46%, 0%, 55.7%)
CIE-LAB	lab(25.74, 6.16, -34.15)
CIE-LCH	lch(25.74, 34.70, 280.23°)
OKLab	oklab(36.14% -0.0253 -0.0979)
OKLCH	oklch(36.14% 0.101 255.5)
XYZ	xyz(4.8977, 4.6577, 16.2605)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123D71 #714612

analogous

#126C71 #123D71 #161271

triadic

#123D71 #71123D #3D7112

tetradic

#123D71 #71126C #714612 #127116

square

#123D71 #71126C #714612 #127116

split-complementary

#123D71 #711612 #6C7112

monochromatic

#040E1A #0A213C #123D71 #1A59A6 #2376DB

Accessibility & contrast

On white

10.87

#123D71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#123D71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123D71

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123D71	#FFFFFF	#000000	##FFFFFF
##123D71	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#224273

Deuteranopia (green-blind)

#0F3970

Tritanopia (blue-blind)

#004951

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #123d71;
/* rgb */ color: rgb(18, 61, 113);
/* oklch */ color: oklch(36.1% 0.101 255.5);

Tailwind

colors: {
  custom: {
    50: '#61729a',
    500: '#123d71',
    950: '#000000',
  },
}

SCSS

$custom: #123d71;
$custom-light: #61729a;
$custom-dark: #000000;

JSON

{
  "hex": "#123d71",
  "rgb": {
    "r": 18,
    "g": 61,
    "b": 113
  },
  "hsl": {
    "h": 212.842,
    "s": 72.519,
    "l": 25.686
  },
  "oklch": {
    "l": 0.36139,
    "c": 0.10111,
    "h": 255.5
  },
  "luminance": 0.04658
}

Semantic roles & 50–950 ramp

primary

#123D71

secondary

#A87537

accent

#9D39EF

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #123D71

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

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