#123F74#123F74

#123F74 is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.9% C 0.103 H 255.1°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#123F74
RGB	rgb(18, 63, 116)
HSL	hsl(212, 73%, 26%)
HSV	hsv(212, 84%, 45%)
CMYK	cmyk(84.5%, 45.7%, 0%, 54.5%)
CIE-LAB	lab(26.57, 6.04, -34.71)
CIE-LCH	lch(26.57, 35.23, 279.87°)
OKLab	oklab(36.85% -0.0264 -0.0995)
OKLCH	oklch(36.85% 0.103 255.1)
XYZ	xyz(5.1782, 4.9439, 17.2010)
Luminance	0.0495 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123F74 #744712

analogous

#127074 #123F74 #161274

triadic

#123F74 #74123F #3F7412

tetradic

#123F74 #741270 #744712 #127416

square

#123F74 #741270 #744712 #127416

split-complementary

#123F74 #741612 #707412

monochromatic

#040E1A #0A223F #123F74 #1A5CA9 #2379DD

Accessibility & contrast

On white

10.56

#123F74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#123F74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123F74

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123F74	#FFFFFF	#000000	##FFFFFF
##123F74	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244476

Deuteranopia (green-blind)

#103B73

Tritanopia (blue-blind)

#004C53

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #123f74;
/* rgb */ color: rgb(18, 63, 116);
/* oklch */ color: oklch(36.9% 0.103 255.1);

Tailwind

colors: {
  custom: {
    50: '#62739c',
    500: '#123f74',
    950: '#000000',
  },
}

SCSS

$custom: #123f74;
$custom-light: #62739c;
$custom-dark: #000000;

JSON

{
  "hex": "#123f74",
  "rgb": {
    "r": 18,
    "g": 63,
    "b": 116
  },
  "hsl": {
    "h": 212.449,
    "s": 73.134,
    "l": 26.275
  },
  "oklch": {
    "l": 0.36854,
    "c": 0.10295,
    "h": 255.1
  },
  "luminance": 0.04945
}

Semantic roles & 50–950 ramp

primary

#123F74

secondary

#AB7637

accent

#9B38F0

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #123F74

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

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