#123F72#123F72

#123F72 is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.7% C 0.100 H 254.4°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#123F72
RGB	rgb(18, 63, 114)
HSL	hsl(212, 73%, 26%)
HSV	hsv(212, 84%, 45%)
CMYK	cmyk(84.2%, 44.7%, 0%, 55.3%)
CIE-LAB	lab(26.44, 5.19, -33.66)
CIE-LCH	lch(26.44, 34.05, 278.77°)
OKLab	oklab(36.71% -0.0269 -0.0964)
OKLCH	oklch(36.71% 0.1 254.4)
XYZ	xyz(5.0631, 4.8979, 16.5949)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123F72 #724512

analogous

#126F72 #123F72 #151272

triadic

#123F72 #72123F #3F7212

tetradic

#123F72 #72126F #724512 #127215

square

#123F72 #72126F #724512 #127215

split-complementary

#123F72 #721512 #6F7212

monochromatic

#040F1A #0A223D #123F72 #1A5CA7 #2379DC

Accessibility & contrast

On white

10.61

#123F72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#123F72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123F72

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123F72	#FFFFFF	#000000	##FFFFFF
##123F72	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#254374

Deuteranopia (green-blind)

#133B71

Tritanopia (blue-blind)

#004B53

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #123f72;
/* rgb */ color: rgb(18, 63, 114);
/* oklch */ color: oklch(36.7% 0.100 254.4);

Tailwind

colors: {
  custom: {
    50: '#61739b',
    500: '#123f72',
    950: '#000000',
  },
}

SCSS

$custom: #123f72;
$custom-light: #61739b;
$custom-dark: #000000;

JSON

{
  "hex": "#123f72",
  "rgb": {
    "r": 18,
    "g": 63,
    "b": 114
  },
  "hsl": {
    "h": 211.875,
    "s": 72.727,
    "l": 25.882
  },
  "oklch": {
    "l": 0.36708,
    "c": 0.10007,
    "h": 254.4
  },
  "luminance": 0.04899
}

Semantic roles & 50–950 ramp

primary

#123F72

secondary

#A97337

accent

#9A38EF

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #123F72

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

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