#123577#123577

#123577 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 34.7% C 0.120 H 261.6°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#123577
RGB	rgb(18, 53, 119)
HSL	hsl(219, 74%, 27%)
HSV	hsv(219, 85%, 47%)
CMYK	cmyk(84.9%, 55.5%, 0%, 53.3%)
CIE-LAB	lab(23.69, 14.38, -41.26)
CIE-LCH	lch(23.69, 43.70, 289.22°)
OKLab	oklab(34.71% -0.0177 -0.119)
OKLCH	oklch(34.71% 0.12 261.6)
XYZ	xyz(4.8511, 4.0061, 17.9668)
Luminance	0.0401 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123577 #775412

analogous

#126877 #123577 #221277

triadic

#123577 #771235 #357712

tetradic

#123577 #771268 #775412 #127722

square

#123577 #771268 #775412 #127722

split-complementary

#123577 #772212 #687712

monochromatic

#040C1B #0A1D42 #123577 #1A4DAC #2565DE

Accessibility & contrast

On white

11.66

#123577 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#123577 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123577

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123577	#FFFFFF	#000000	##FFFFFF
##123577	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#023D79

Deuteranopia (green-blind)

#003476

Tritanopia (blue-blind)

#004550

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #123577;
/* rgb */ color: rgb(18, 53, 119);
/* oklch */ color: oklch(34.7% 0.120 261.6);

Tailwind

colors: {
  custom: {
    50: '#636b9f',
    500: '#123577',
    950: '#000000',
  },
}

SCSS

$custom: #123577;
$custom-light: #636b9f;
$custom-dark: #000000;

JSON

{
  "hex": "#123577",
  "rgb": {
    "r": 18,
    "g": 53,
    "b": 119
  },
  "hsl": {
    "h": 219.208,
    "s": 73.723,
    "l": 26.863
  },
  "oklch": {
    "l": 0.34709,
    "c": 0.12031,
    "h": 261.6
  },
  "luminance": 0.04007
}

Semantic roles & 50–950 ramp

primary

#123577

secondary

#AD8537

accent

#B037F0

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #123577

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

Preview Lab → · Contrast checker → · Palette generator →