#123370#123370

#123370 is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.7% C 0.113 H 261.3°. Best body text is #FFFFFF at 12.12:1 contrast (WCAG AA passes).

Color values

HEX	#123370
RGB	rgb(18, 51, 112)
HSL	hsl(219, 72%, 25%)
HSV	hsv(219, 84%, 44%)
CMYK	cmyk(83.9%, 54.5%, 0%, 56.1%)
CIE-LAB	lab(22.53, 12.85, -38.67)
CIE-LCH	lch(22.53, 40.75, 288.38°)
OKLab	oklab(33.65% -0.017 -0.1114)
OKLCH	oklch(33.65% 0.113 261.3)
XYZ	xyz(4.3569, 3.6656, 15.8040)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123370 #704F12

analogous

#126270 #123370 #201270

triadic

#123370 #701233 #337012

tetradic

#123370 #701262 #704F12 #127020

square

#123370 #701262 #704F12 #127020

split-complementary

#123370 #702012 #627012

monochromatic

#040C1A #0A1B3B #123370 #1A4BA5 #2363D9

Accessibility & contrast

On white

12.12

#123370 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#123370 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123370

12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123370	#FFFFFF	#000000	##FFFFFF
##123370	1.00	12.12	1.73	12.12
#FFFFFF	12.12	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#083A72

Deuteranopia (green-blind)

#00326F

Tritanopia (blue-blind)

#00424C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #123370;
/* rgb */ color: rgb(18, 51, 112);
/* oklch */ color: oklch(33.7% 0.113 261.3);

Tailwind

colors: {
  custom: {
    50: '#616a9a',
    500: '#123370',
    950: '#000000',
  },
}

SCSS

$custom: #123370;
$custom-light: #616a9a;
$custom-dark: #000000;

JSON

{
  "hex": "#123370",
  "rgb": {
    "r": 18,
    "g": 51,
    "b": 112
  },
  "hsl": {
    "h": 218.936,
    "s": 72.308,
    "l": 25.49
  },
  "oklch": {
    "l": 0.33653,
    "c": 0.1127,
    "h": 261.3
  },
  "luminance": 0.03666
}

Semantic roles & 50–950 ramp

primary

#123370

secondary

#A78037

accent

#AF39EF

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #123370

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

Preview Lab → · Contrast checker → · Palette generator →