#123375#123375

#123375 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.1% C 0.120 H 262.2°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#123375
RGB	rgb(18, 51, 117)
HSL	hsl(220, 73%, 26%)
HSV	hsv(220, 85%, 46%)
CMYK	cmyk(84.6%, 56.4%, 0%, 54.1%)
CIE-LAB	lab(22.93, 14.97, -41.23)
CIE-LCH	lch(22.93, 43.86, 289.96°)
OKLab	oklab(34.08% -0.0164 -0.1189)
OKLCH	oklch(34.08% 0.12 262.2)
XYZ	xyz(4.6430, 3.7800, 17.3111)
Luminance	0.0378 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123375 #755412

analogous

#126575 #123375 #231275

triadic

#123375 #751233 #337512

tetradic

#123375 #751265 #755412 #127523

square

#123375 #751265 #755412 #127523

split-complementary

#123375 #752312 #657512

monochromatic

#040C1B #0A1C40 #123375 #1A4AAA #2462DD

Accessibility & contrast

On white

11.96

#123375 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#123375 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123375

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123375	#FFFFFF	#000000	##FFFFFF
##123375	1.00	11.96	1.76	11.96
#FFFFFF	11.96	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B77

Deuteranopia (green-blind)

#003274

Tritanopia (blue-blind)

#00434E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #123375;
/* rgb */ color: rgb(18, 51, 117);
/* oklch */ color: oklch(34.1% 0.120 262.2);

Tailwind

colors: {
  custom: {
    50: '#636a9d',
    500: '#123375',
    950: '#000000',
  },
}

SCSS

$custom: #123375;
$custom-light: #636a9d;
$custom-dark: #000000;

JSON

{
  "hex": "#123375",
  "rgb": {
    "r": 18,
    "g": 51,
    "b": 117
  },
  "hsl": {
    "h": 220,
    "s": 73.333,
    "l": 26.471
  },
  "oklch": {
    "l": 0.3408,
    "c": 0.12005,
    "h": 262.2
  },
  "luminance": 0.03781
}

Semantic roles & 50–950 ramp

primary

#123375

secondary

#AC8537

accent

#B338F0

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #123375

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

Preview Lab → · Contrast checker → · Palette generator →