#123371#123371

#123371 is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.7% C 0.114 H 261.5°. Best body text is #FFFFFF at 12.08:1 contrast (WCAG AA passes).

Color values

HEX	#123371
RGB	rgb(18, 51, 113)
HSL	hsl(219, 73%, 26%)
HSV	hsv(219, 84%, 44%)
CMYK	cmyk(84.1%, 54.9%, 0%, 55.7%)
CIE-LAB	lab(22.61, 13.28, -39.18)
CIE-LCH	lch(22.61, 41.37, 288.72°)
OKLab	oklab(33.74% -0.0168 -0.1129)
OKLCH	oklch(33.74% 0.114 261.5)
XYZ	xyz(4.4128, 3.6880, 16.0989)
Luminance	0.0369 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123371 #715012

analogous

#126271 #123371 #201271

triadic

#123371 #711233 #337112

tetradic

#123371 #711262 #715012 #127120

square

#123371 #711262 #715012 #127120

split-complementary

#123371 #712012 #627112

monochromatic

#040C1A #0A1B3C #123371 #1A4BA6 #2363DB

Accessibility & contrast

On white

12.08

#123371 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#123371 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123371

12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123371	#FFFFFF	#000000	##FFFFFF
##123371	1.00	12.08	1.74	12.08
#FFFFFF	12.08	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#063B73

Deuteranopia (green-blind)

#003270

Tritanopia (blue-blind)

#00424C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #123371;
/* rgb */ color: rgb(18, 51, 113);
/* oklch */ color: oklch(33.7% 0.114 261.5);

Tailwind

colors: {
  custom: {
    50: '#616a9a',
    500: '#123371',
    950: '#000000',
  },
}

SCSS

$custom: #123371;
$custom-light: #616a9a;
$custom-dark: #000000;

JSON

{
  "hex": "#123371",
  "rgb": {
    "r": 18,
    "g": 51,
    "b": 113
  },
  "hsl": {
    "h": 219.158,
    "s": 72.519,
    "l": 25.686
  },
  "oklch": {
    "l": 0.33737,
    "c": 0.11418,
    "h": 261.5
  },
  "luminance": 0.03689
}

Semantic roles & 50–950 ramp

primary

#123371

secondary

#A88137

accent

#B039EF

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #123371

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

Preview Lab → · Contrast checker → · Palette generator →