#123363#123363

#123363 is a dark, moderate blue. Relative luminance 0.034; OKLCH L 32.6% C 0.093 H 258.2°. Best body text is #FFFFFF at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#123363
RGB	rgb(18, 51, 99)
HSL	hsl(216, 69%, 23%)
HSV	hsv(216, 82%, 39%)
CMYK	cmyk(81.8%, 48.5%, 0%, 61.2%)
CIE-LAB	lab(21.57, 7.29, -31.81)
CIE-LCH	lch(21.57, 32.64, 282.91°)
OKLab	oklab(32.6% -0.0191 -0.0912)
OKLCH	oklch(32.6% 0.093 258.2)
XYZ	xyz(3.6846, 3.3967, 12.2634)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123363 #634212

analogous

#125B63 #123363 #1A1263

triadic

#123363 #631233 #336312

tetradic

#123363 #63125B #634212 #12631A

square

#123363 #63125B #634212 #12631A

split-complementary

#123363 #631A12 #5B6312

monochromatic

#050D1A #09182F #123363 #1B4E97 #2568CB

Accessibility & contrast

On white

12.50

#123363 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#123363 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123363

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123363	#FFFFFF	#000000	##FFFFFF
##123363	1.00	12.50	1.68	12.50
#FFFFFF	12.50	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3865

Deuteranopia (green-blind)

#073062

Tritanopia (blue-blind)

#003E46

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #123363;
/* rgb */ color: rgb(18, 51, 99);
/* oklch */ color: oklch(32.6% 0.093 258.2);

Tailwind

colors: {
  custom: {
    50: '#5e6a90',
    500: '#123363',
    950: '#000000',
  },
}

SCSS

$custom: #123363;
$custom-light: #5e6a90;
$custom-dark: #000000;

JSON

{
  "hex": "#123363",
  "rgb": {
    "r": 18,
    "g": 51,
    "b": 99
  },
  "hsl": {
    "h": 215.556,
    "s": 69.231,
    "l": 22.941
  },
  "oklch": {
    "l": 0.32603,
    "c": 0.09322,
    "h": 258.2
  },
  "luminance": 0.03397
}

Semantic roles & 50–950 ramp

primary

#123363

secondary

#9B7236

accent

#A43CEC

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #123363

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

Preview Lab → · Contrast checker → · Palette generator →