#123870#123870

#123870 is a dark, moderate blue. Relative luminance 0.041; OKLCH L 34.8% C 0.106 H 258.5°. Best body text is #FFFFFF at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#123870
RGB	rgb(18, 56, 112)
HSL	hsl(216, 72%, 25%)
HSV	hsv(216, 84%, 44%)
CMYK	cmyk(83.9%, 50%, 0%, 56.1%)
CIE-LAB	lab(24.08, 9.27, -36.17)
CIE-LCH	lch(24.08, 37.33, 284.37°)
OKLab	oklab(34.84% -0.0211 -0.1039)
OKLCH	oklch(34.84% 0.106 258.5)
XYZ	xyz(4.5872, 4.1262, 15.8808)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123870 #704A12

analogous

#126770 #123870 #1B1270

triadic

#123870 #701238 #387012

tetradic

#123870 #701267 #704A12 #12701B

square

#123870 #701267 #704A12 #12701B

split-complementary

#123870 #701B12 #677012

monochromatic

#040D1A #0A1E3B #123870 #1A52A5 #236DD9

Accessibility & contrast

On white

11.50

#123870 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#123870 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123870

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123870	#FFFFFF	#000000	##FFFFFF
##123870	1.00	11.50	1.83	11.50
#FFFFFF	11.50	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#183E72

Deuteranopia (green-blind)

#00356F

Tritanopia (blue-blind)

#00454E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #123870;
/* rgb */ color: rgb(18, 56, 112);
/* oklch */ color: oklch(34.8% 0.106 258.5);

Tailwind

colors: {
  custom: {
    50: '#616e99',
    500: '#123870',
    950: '#000000',
  },
}

SCSS

$custom: #123870;
$custom-light: #616e99;
$custom-dark: #000000;

JSON

{
  "hex": "#123870",
  "rgb": {
    "r": 18,
    "g": 56,
    "b": 112
  },
  "hsl": {
    "h": 215.745,
    "s": 72.308,
    "l": 25.49
  },
  "oklch": {
    "l": 0.3484,
    "c": 0.10606,
    "h": 258.5
  },
  "luminance": 0.04127
}

Semantic roles & 50–950 ramp

primary

#123870

secondary

#A77A37

accent

#A539EF

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #123870

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

Preview Lab → · Contrast checker → · Palette generator →