#123973#123973

#123973 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.3% C 0.109 H 258.7°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#123973
RGB	rgb(18, 57, 115)
HSL	hsl(216, 73%, 26%)
HSV	hsv(216, 84%, 45%)
CMYK	cmyk(84.3%, 50.4%, 0%, 54.9%)
CIE-LAB	lab(24.61, 9.83, -37.23)
CIE-LCH	lch(24.61, 38.50, 284.79°)
OKLab	oklab(35.32% -0.0214 -0.107)
OKLCH	oklch(35.32% 0.109 258.7)
XYZ	xyz(4.8060, 4.2921, 16.7915)
Luminance	0.0429 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123973 #734C12

analogous

#126973 #123973 #1B1273

triadic

#123973 #731239 #397312

tetradic

#123973 #731269 #734C12 #12731B

square

#123973 #731269 #734C12 #12731B

split-complementary

#123973 #731B12 #697312

monochromatic

#040D1A #0A1F3E #123973 #1A53A8 #236EDD

Accessibility & contrast

On white

11.30

#123973 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#123973 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123973

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123973	#FFFFFF	#000000	##FFFFFF
##123973	1.00	11.30	1.86	11.30
#FFFFFF	11.30	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#183F75

Deuteranopia (green-blind)

#003672

Tritanopia (blue-blind)

#004750

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #123973;
/* rgb */ color: rgb(18, 57, 115);
/* oklch */ color: oklch(35.3% 0.109 258.7);

Tailwind

colors: {
  custom: {
    50: '#626e9c',
    500: '#123973',
    950: '#000000',
  },
}

SCSS

$custom: #123973;
$custom-light: #626e9c;
$custom-dark: #000000;

JSON

{
  "hex": "#123973",
  "rgb": {
    "r": 18,
    "g": 57,
    "b": 115
  },
  "hsl": {
    "h": 215.876,
    "s": 72.932,
    "l": 26.078
  },
  "oklch": {
    "l": 0.35318,
    "c": 0.10916,
    "h": 258.7
  },
  "luminance": 0.04293
}

Semantic roles & 50–950 ramp

primary

#123973

secondary

#AA7C37

accent

#A638F0

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #123973

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

Preview Lab → · Contrast checker → · Palette generator →