#256AC1#256AC1

#256AC1 is a mid, vivid cyan. Relative luminance 0.146; OKLCH L 52.9% C 0.152 H 256.3°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX#256AC1
RGBrgb(37, 106, 193)
HSLhsl(213, 68%, 45%)
HSVhsv(213, 81%, 76%)
CMYKcmyk(80.8%, 45.1%, 0%, 24.3%)
CIE-LABlab(45.01, 10.42, -51.57)
CIE-LCHlch(45.01, 52.61, 281.42°)
OKLaboklab(52.88% -0.0362 -0.148)
OKLCHoklch(52.88% 0.152 256.3)
XYZxyz(15.5390, 14.5498, 52.4311)
Luminance0.1455 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256AC1 #C17C25
analogous
#25B8C1 #256AC1 #2E25C1
triadic
#256AC1 #C1256A #6AC125
tetradic
#256AC1 #C125B8 #C17C25 #25C12E
square
#256AC1 #C125B8 #C17C25 #25C12E
split-complementary
#256AC1 #C12E25 #B8C125
monochromatic
#11325A #1B4E8E #256AC1 #4789DC #7BAAE6

Accessibility & contrast

On white

5.37
#256AC1 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.91
#256AC1 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256AC1
5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256AC1#FFFFFF#000000##FFFFFF
##256AC11.005.373.915.37
#FFFFFF5.371.0021.001.00
#0000003.9121.001.0021.00
##FFFFFF5.371.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3C72C4
Deuteranopia (green-blind)
#1864BF
Tritanopia (blue-blind)
#007F8C
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #256ac1;
/* rgb */ color: rgb(37, 106, 193);
/* oklch */ color: oklch(52.9% 0.152 256.3);
Tailwind
colors: {
  custom: {
    50: '#7994d4',
    500: '#256ac1',
    950: '#000000',
  },
}
SCSS
$custom: #256ac1;
$custom-light: #7994d4;
$custom-dark: #000000;
JSON
{
  "hex": "#256ac1",
  "rgb": {
    "r": 37,
    "g": 106,
    "b": 193
  },
  "hsl": {
    "h": 213.462,
    "s": 67.826,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52882,
    "c": 0.15233,
    "h": 256.3
  },
  "luminance": 0.14552
}

Semantic roles & 50–950 ramp

primary
#256AC1
secondary
#CEA674
accent
#9E3DEB
background
#F8F9FD
surface
#EFF1FA
border
#CACBD3
text
#0B0D14
muted
#7C7E83

Preview Lab

Preview with #256AC1

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

Preview Lab → · Contrast checker → · Palette generator →

#256AC1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva