#12657B#12657B

#12657B is a mid, moderate cyan. Relative luminance 0.109; OKLCH L 47.1% C 0.081 H 221.1°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX#12657B
RGBrgb(18, 101, 123)
HSLhsl(193, 74%, 28%)
HSVhsv(193, 85%, 48%)
CMYKcmyk(85.4%, 17.9%, 0%, 51.8%)
CIE-LABlab(39.35, -15.19, -18.98)
CIE-LCHlch(39.35, 24.31, 231.32°)
OKLaboklab(47.1% -0.061 -0.0532)
OKLCHoklch(47.1% 0.081 221.1)
XYZxyz(8.4768, 10.8649, 20.3854)
Luminance0.1087 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#12657B #7B2812
analogous
#127B5C #12657B #12317B
triadic
#12657B #7B1265 #657B12
tetradic
#12657B #5C127B #7B2812 #317B12
square
#12657B #5C127B #7B2812 #317B12
split-complementary
#12657B #7B1231 #7B5C12
monochromatic
#04161B #0A3946 #12657B #1A91B0 #28B9E0

Accessibility & contrast

On white

6.62
#12657B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.17
#12657B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #12657B
6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##12657B#FFFFFF#000000##FFFFFF
##12657B1.006.623.176.62
#FFFFFF6.621.0021.001.00
#0000003.1721.001.0021.00
##FFFFFF6.621.0021.001.00

Color blindness preview

Protanopia (red-blind)
#58627C
Deuteranopia (green-blind)
#4A587B
Tritanopia (blue-blind)
#006C6C
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #12657b;
/* rgb */ color: rgb(18, 101, 123);
/* oklch */ color: oklch(47.1% 0.081 221.1);
Tailwind
colors: {
  custom: {
    50: '#6591a1',
    500: '#12657b',
    950: '#000000',
  },
}
SCSS
$custom: #12657b;
$custom-light: #6591a1;
$custom-dark: #000000;
JSON
{
  "hex": "#12657b",
  "rgb": {
    "r": 18,
    "g": 101,
    "b": 123
  },
  "hsl": {
    "h": 192.571,
    "s": 74.468,
    "l": 27.647
  },
  "oklch": {
    "l": 0.47095,
    "c": 0.08094,
    "h": 221.1
  },
  "luminance": 0.10866
}

Semantic roles & 50–950 ramp

primary
#12657B
secondary
#B15138
accent
#5E37F1
background
#F6F8F9
surface
#EBF0F2
border
#C6CBCC
text
#070C0F
muted
#7A7D7E

Preview Lab

Preview with #12657B

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

Preview Lab → · Contrast checker → · Palette generator →

#12657B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva