#123377#123377

#123377 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.3% C 0.123 H 262.4°. Best body text is #FFFFFF at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#123377
RGB	rgb(18, 51, 119)
HSL	hsl(220, 74%, 27%)
HSV	hsv(220, 85%, 47%)
CMYK	cmyk(84.9%, 57.1%, 0%, 53.3%)
CIE-LAB	lab(23.09, 15.82, -42.24)
CIE-LCH	lch(23.09, 45.10, 290.53°)
OKLab	oklab(34.25% -0.0162 -0.1219)
OKLCH	oklch(34.25% 0.123 262.4)
XYZ	xyz(4.7619, 3.8276, 17.9370)
Luminance	0.0383 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123377 #775612

analogous

#126677 #123377 #241277

triadic

#123377 #771233 #337712

tetradic

#123377 #771266 #775612 #127724

square

#123377 #771266 #775612 #127724

split-complementary

#123377 #772412 #667712

monochromatic

#040B1B #0A1C42 #123377 #1A4AAC #2562DE

Accessibility & contrast

On white

11.89

#123377 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#123377 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123377

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123377	#FFFFFF	#000000	##FFFFFF
##123377	1.00	11.89	1.77	11.89
#FFFFFF	11.89	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C79

Deuteranopia (green-blind)

#003376

Tritanopia (blue-blind)

#00444F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #123377;
/* rgb */ color: rgb(18, 51, 119);
/* oklch */ color: oklch(34.3% 0.123 262.4);

Tailwind

colors: {
  custom: {
    50: '#636a9f',
    500: '#123377',
    950: '#000000',
  },
}

SCSS

$custom: #123377;
$custom-light: #636a9f;
$custom-dark: #000000;

JSON

{
  "hex": "#123377",
  "rgb": {
    "r": 18,
    "g": 51,
    "b": 119
  },
  "hsl": {
    "h": 220.396,
    "s": 73.723,
    "l": 26.863
  },
  "oklch": {
    "l": 0.34254,
    "c": 0.12297,
    "h": 262.4
  },
  "luminance": 0.03828
}

Semantic roles & 50–950 ramp

primary

#123377

secondary

#AD8737

accent

#B437F0

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #123377

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

Preview Lab → · Contrast checker → · Palette generator →