#123571#123571

#123571 is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.2% C 0.112 H 260.5°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#123571
RGB	rgb(18, 53, 113)
HSL	hsl(218, 73%, 26%)
HSV	hsv(218, 84%, 44%)
CMYK	cmyk(84.1%, 53.1%, 0%, 55.7%)
CIE-LAB	lab(23.23, 11.84, -38.19)
CIE-LCH	lch(23.23, 39.98, 287.22°)
OKLab	oklab(34.21% -0.0184 -0.11)
OKLCH	oklch(34.21% 0.112 260.5)
XYZ	xyz(4.5021, 3.8665, 16.1286)
Luminance	0.0387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123571 #714E12

analogous

#126471 #123571 #1F1271

triadic

#123571 #711235 #357112

tetradic

#123571 #711264 #714E12 #12711F

square

#123571 #711264 #714E12 #12711F

split-complementary

#123571 #711F12 #647112

monochromatic

#040C1A #0A1C3C #123571 #1A4EA6 #2367DB

Accessibility & contrast

On white

11.84

#123571 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#123571 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123571

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123571	#FFFFFF	#000000	##FFFFFF
##123571	1.00	11.84	1.77	11.84
#FFFFFF	11.84	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E3C73

Deuteranopia (green-blind)

#003370

Tritanopia (blue-blind)

#00444D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #123571;
/* rgb */ color: rgb(18, 53, 113);
/* oklch */ color: oklch(34.2% 0.112 260.5);

Tailwind

colors: {
  custom: {
    50: '#616b9a',
    500: '#123571',
    950: '#000000',
  },
}

SCSS

$custom: #123571;
$custom-light: #616b9a;
$custom-dark: #000000;

JSON

{
  "hex": "#123571",
  "rgb": {
    "r": 18,
    "g": 53,
    "b": 113
  },
  "hsl": {
    "h": 217.895,
    "s": 72.519,
    "l": 25.686
  },
  "oklch": {
    "l": 0.34205,
    "c": 0.11151,
    "h": 260.5
  },
  "luminance": 0.03867
}

Semantic roles & 50–950 ramp

primary

#123571

secondary

#A87E37

accent

#AC39EF

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #123571

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

Preview Lab → · Contrast checker → · Palette generator →