#123B70#123B70

#123B70 is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.6% C 0.102 H 256.6°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX#123B70
RGBrgb(18, 59, 112)
HSLhsl(214, 72%, 25%)
HSVhsv(214, 84%, 44%)
CMYKcmyk(83.9%, 47.3%, 0%, 56.1%)
CIE-LABlab(25.03, 7.14, -34.64)
CIE-LCHlch(25.03, 35.37, 281.65°)
OKLaboklab(35.57% -0.0237 -0.0994)
OKLCHoklch(35.57% 0.102 256.6)
XYZxyz(4.7370, 4.4258, 15.9307)
Luminance0.0443 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#123B70 #704712
analogous
#126A70 #123B70 #181270
triadic
#123B70 #70123B #3B7012
tetradic
#123B70 #70126A #704712 #127018
square
#123B70 #70126A #704712 #127018
split-complementary
#123B70 #701812 #6A7012
monochromatic
#040E1A #0A1F3B #123B70 #1A57A5 #2373D9

Accessibility & contrast

On white

11.14
#123B70 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.89
#123B70 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123B70
11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##123B70#FFFFFF#000000##FFFFFF
##123B701.0011.141.8911.14
#FFFFFF11.141.0021.001.00
#0000001.8921.001.0021.00
##FFFFFF11.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1F4072
Deuteranopia (green-blind)
#0A376F
Tritanopia (blue-blind)
#004850
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #123b70;
/* rgb */ color: rgb(18, 59, 112);
/* oklch */ color: oklch(35.6% 0.102 256.6);
Tailwind
colors: {
  custom: {
    50: '#617099',
    500: '#123b70',
    950: '#000000',
  },
}
SCSS
$custom: #123b70;
$custom-light: #617099;
$custom-dark: #000000;
JSON
{
  "hex": "#123b70",
  "rgb": {
    "r": 18,
    "g": 59,
    "b": 112
  },
  "hsl": {
    "h": 213.83,
    "s": 72.308,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35572,
    "c": 0.10218,
    "h": 256.6
  },
  "luminance": 0.04426
}

Semantic roles & 50–950 ramp

primary
#123B70
secondary
#A77637
accent
#A039EF
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06070E
muted
#7A7A7E

Preview Lab

Preview with #123B70

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

Preview Lab → · Contrast checker → · Palette generator →

#123B70 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva