#25637C#25637C

#25637C is a mid, moderate cyan. Relative luminance 0.108; OKLCH L 47.1% C 0.074 H 228.2°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX#25637C
RGBrgb(37, 99, 124)
HSLhsl(197, 54%, 32%)
HSVhsv(197, 70%, 49%)
CMYKcmyk(70.2%, 20.2%, 0%, 51.4%)
CIE-LABlab(39.19, -11.18, -19.80)
CIE-LCHlch(39.19, 22.74, 240.55°)
OKLaboklab(47.11% -0.0495 -0.0554)
OKLCHoklch(47.11% 0.074 228.2)
XYZxyz(8.8614, 10.7713, 20.6769)
Luminance0.1077 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#25637C #7C3E25
analogous
#257C6A #25637C #25387C
triadic
#25637C #7C2563 #637C25
tetradic
#25637C #6A257C #7C3E25 #387C25
square
#25637C #6A257C #7C3E25 #387C25
split-complementary
#25637C #7C2538 #7C6A25
monochromatic
#09181E #173D4D #25637C #3389AB #50A8CB

Accessibility & contrast

On white

6.66
#25637C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.15
#25637C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #25637C
6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##25637C#FFFFFF#000000##FFFFFF
##25637C1.006.663.156.66
#FFFFFF6.661.0021.001.00
#0000003.1521.001.0021.00
##FFFFFF6.661.0021.001.00

Color blindness preview

Protanopia (red-blind)
#56617D
Deuteranopia (green-blind)
#4A587C
Tritanopia (blue-blind)
#006A6B
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #25637c;
/* rgb */ color: rgb(37, 99, 124);
/* oklch */ color: oklch(47.1% 0.074 228.2);
Tailwind
colors: {
  custom: {
    50: '#6b8fa2',
    500: '#25637c',
    950: '#000000',
  },
}
SCSS
$custom: #25637c;
$custom-light: #6b8fa2;
$custom-dark: #000000;
JSON
{
  "hex": "#25637c",
  "rgb": {
    "r": 37,
    "g": 99,
    "b": 124
  },
  "hsl": {
    "h": 197.241,
    "s": 54.037,
    "l": 31.569
  },
  "oklch": {
    "l": 0.4711,
    "c": 0.07429,
    "h": 228.2
  },
  "luminance": 0.10772
}

Semantic roles & 50–950 ramp

primary
#25637C
secondary
#AE6A4F
accent
#754ADD
background
#F6F8F9
surface
#ECF0F2
border
#C7CBCC
text
#070C0F
muted
#7A7D7E

Preview Lab

Preview with #25637C

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

Preview Lab → · Contrast checker → · Palette generator →

#25637C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva