#123180#123180

#123180 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.6% C 0.139 H 264.1°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#123180
RGB	rgb(18, 49, 128)
HSL	hsl(223, 75%, 29%)
HSV	hsv(223, 86%, 50%)
CMYK	cmyk(85.9%, 61.7%, 0%, 49.8%)
CIE-LAB	lab(23.28, 21.02, -47.63)
CIE-LCH	lch(23.28, 52.06, 293.81°)
OKLab	oklab(34.64% -0.0143 -0.1378)
OKLCH	oklch(34.64% 0.139 264.1)
XYZ	xyz(5.2427, 3.8831, 20.8911)
Luminance	0.0388 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123180 #806112

analogous

#126880 #123180 #2A1280

triadic

#123180 #801231 #318012

tetradic

#123180 #801268 #806112 #12802A

square

#123180 #801268 #806112 #12802A

split-complementary

#123180 #802A12 #688012

monochromatic

#040A1B #0A1C4A #123180 #1A46B6 #2B5EE1

Accessibility & contrast

On white

11.82

#123180 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#123180 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123180

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123180	#FFFFFF	#000000	##FFFFFF
##123180	1.00	11.82	1.78	11.82
#FFFFFF	11.82	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D83

Deuteranopia (green-blind)

#00337E

Tritanopia (blue-blind)

#004553

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #123180;
/* rgb */ color: rgb(18, 49, 128);
/* oklch */ color: oklch(34.6% 0.139 264.1);

Tailwind

colors: {
  custom: {
    50: '#6668a6',
    500: '#123180',
    950: '#000000',
  },
}

SCSS

$custom: #123180;
$custom-light: #6668a6;
$custom-dark: #000000;

JSON

{
  "hex": "#123180",
  "rgb": {
    "r": 18,
    "g": 49,
    "b": 128
  },
  "hsl": {
    "h": 223.091,
    "s": 75.342,
    "l": 28.627
  },
  "oklch": {
    "l": 0.34636,
    "c": 0.13851,
    "h": 264.1
  },
  "luminance": 0.03884
}

Semantic roles & 50–950 ramp

primary

#123180

secondary

#B69238

accent

#BD36F2

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #123180

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

Preview Lab → · Contrast checker → · Palette generator →