#256F8F#256F8F

#256F8F is a mid, moderate cyan. Relative luminance 0.137; OKLCH L 51.1% C 0.087 H 230.8°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX#256F8F
RGBrgb(37, 111, 143)
HSLhsl(198, 59%, 35%)
HSVhsv(198, 74%, 56%)
CMYKcmyk(74.1%, 22.4%, 0%, 43.9%)
CIE-LABlab(43.86, -11.43, -24.02)
CIE-LCHlch(43.86, 26.60, 244.55°)
OKLaboklab(51.11% -0.055 -0.0675)
OKLCHoklch(51.11% 0.087 230.8)
XYZxyz(11.4033, 13.7441, 28.0332)
Luminance0.1374 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256F8F #8F4525
analogous
#258F7A #256F8F #253A8F
triadic
#256F8F #8F256F #6F8F25
tetradic
#256F8F #7A258F #8F4525 #3A8F25
square
#256F8F #7A258F #8F4525 #3A8F25
split-complementary
#256F8F #8F253A #8F7A25
monochromatic
#0C242E #18495E #256F8F #3295C0 #5AAFD4

Accessibility & contrast

On white

5.60
#256F8F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.75
#256F8F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256F8F
5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256F8F#FFFFFF#000000##FFFFFF
##256F8F1.005.603.755.60
#FFFFFF5.601.0021.001.00
#0000003.7521.001.0021.00
##FFFFFF5.601.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5F6D91
Deuteranopia (green-blind)
#50638F
Tritanopia (blue-blind)
#00787A
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #256f8f;
/* rgb */ color: rgb(37, 111, 143);
/* oklch */ color: oklch(51.1% 0.087 230.8);
Tailwind
colors: {
  custom: {
    50: '#6f98b0',
    500: '#256f8f',
    950: '#000000',
  },
}
SCSS
$custom: #256f8f;
$custom-light: #6f98b0;
$custom-dark: #000000;
JSON
{
  "hex": "#256f8f",
  "rgb": {
    "r": 37,
    "g": 111,
    "b": 143
  },
  "hsl": {
    "h": 198.113,
    "s": 58.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.51113,
    "c": 0.08706,
    "h": 230.8
  },
  "luminance": 0.13745
}

Semantic roles & 50–950 ramp

primary
#256F8F
secondary
#B97457
accent
#7546E2
background
#F7F9FA
surface
#EDF2F4
border
#C8CCCE
text
#080D10
muted
#7B7E7F

Preview Lab

Preview with #256F8F

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

Preview Lab → · Contrast checker → · Palette generator →

#256F8F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva