#123780#123780

#123780 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 35.9% C 0.131 H 262.0°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#123780
RGB	rgb(18, 55, 128)
HSL	hsl(220, 75%, 29%)
HSV	hsv(220, 86%, 50%)
CMYK	cmyk(85.9%, 57%, 0%, 49.8%)
CIE-LAB	lab(25.01, 16.75, -44.81)
CIE-LCH	lch(25.01, 47.84, 290.49°)
OKLab	oklab(35.94% -0.0182 -0.1294)
OKLCH	oklch(35.94% 0.131 262)
XYZ	xyz(5.5105, 4.4188, 20.9804)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123780 #805B12

analogous

#126E80 #123780 #241280

triadic

#123780 #801237 #378012

tetradic

#123780 #80126E #805B12 #128024

square

#123780 #80126E #805B12 #128024

split-complementary

#123780 #802412 #6E8012

monochromatic

#040C1B #0A204A #123780 #1A4EB6 #2B68E1

Accessibility & contrast

On white

11.15

#123780 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#123780 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123780

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123780	#FFFFFF	#000000	##FFFFFF
##123780	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004183

Deuteranopia (green-blind)

#00377F

Tritanopia (blue-blind)

#004956

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #123780;
/* rgb */ color: rgb(18, 55, 128);
/* oklch */ color: oklch(35.9% 0.131 262.0);

Tailwind

colors: {
  custom: {
    50: '#656da5',
    500: '#123780',
    950: '#000000',
  },
}

SCSS

$custom: #123780;
$custom-light: #656da5;
$custom-dark: #000000;

JSON

{
  "hex": "#123780",
  "rgb": {
    "r": 18,
    "g": 55,
    "b": 128
  },
  "hsl": {
    "h": 219.818,
    "s": 75.342,
    "l": 28.627
  },
  "oklch": {
    "l": 0.35937,
    "c": 0.13066,
    "h": 262
  },
  "luminance": 0.04419
}

Semantic roles & 50–950 ramp

primary

#123780

secondary

#B68B38

accent

#B336F2

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #123780

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

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