#123B71#123B71

#123B71 is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.6% C 0.104 H 256.9°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#123B71
RGB	rgb(18, 59, 113)
HSL	hsl(214, 73%, 26%)
HSV	hsv(214, 84%, 44%)
CMYK	cmyk(84.1%, 47.8%, 0%, 55.7%)
CIE-LAB	lab(25.10, 7.57, -35.17)
CIE-LCH	lch(25.10, 35.97, 282.14°)
OKLab	oklab(35.65% -0.0235 -0.1009)
OKLCH	oklch(35.65% 0.104 256.9)
XYZ	xyz(4.7930, 4.4482, 16.2256)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123B71 #714812

analogous

#126A71 #123B71 #181271

triadic

#123B71 #71123B #3B7112

tetradic

#123B71 #71126A #714812 #127118

square

#123B71 #71126A #714812 #127118

split-complementary

#123B71 #711812 #6A7112

monochromatic

#040E1A #0A1F3C #123B71 #1A57A6 #2372DB

Accessibility & contrast

On white

11.11

#123B71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#123B71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123B71

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123B71	#FFFFFF	#000000	##FFFFFF
##123B71	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E4073

Deuteranopia (green-blind)

#073870

Tritanopia (blue-blind)

#004850

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #123b71;
/* rgb */ color: rgb(18, 59, 113);
/* oklch */ color: oklch(35.6% 0.104 256.9);

Tailwind

colors: {
  custom: {
    50: '#61709a',
    500: '#123b71',
    950: '#000000',
  },
}

SCSS

$custom: #123b71;
$custom-light: #61709a;
$custom-dark: #000000;

JSON

{
  "hex": "#123b71",
  "rgb": {
    "r": 18,
    "g": 59,
    "b": 113
  },
  "hsl": {
    "h": 214.105,
    "s": 72.519,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35647,
    "c": 0.10364,
    "h": 256.9
  },
  "luminance": 0.04449
}

Semantic roles & 50–950 ramp

primary

#123B71

secondary

#A87737

accent

#A039EF

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #123B71

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

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