#256EAF#256EAF

#256EAF is a mid, vivid cyan. Relative luminance 0.146; OKLCH L 52.6% C 0.125 H 249.5°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX#256EAF
RGBrgb(37, 110, 175)
HSLhsl(208, 65%, 42%)
HSVhsv(208, 79%, 69%)
CMYKcmyk(78.9%, 37.1%, 0%, 31.4%)
CIE-LABlab(45.14, 1.01, -40.91)
CIE-LCHlch(45.14, 40.92, 271.41°)
OKLaboklab(52.64% -0.0437 -0.1166)
OKLCHoklch(52.64% 0.125 249.5)
XYZxyz(14.0738, 14.6386, 42.6329)
Luminance0.1464 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256EAF #AF6625
analogous
#25AFAB #256EAF #2529AF
triadic
#256EAF #AF256E #6EAF25
tetradic
#256EAF #AB25AF #AF6625 #29AF25
square
#256EAF #AB25AF #AF6625 #29AF25
split-complementary
#256EAF #AF2529 #AFAB25
monochromatic
#102E4A #1A4E7C #256EAF #3C8DD6 #6EABE0

Accessibility & contrast

On white

5.35
#256EAF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.93
#256EAF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256EAF
5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256EAF#FFFFFF#000000##FFFFFF
##256EAF1.005.353.935.35
#FFFFFF5.351.0021.001.00
#0000003.9321.001.0021.00
##FFFFFF5.351.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4F72B2
Deuteranopia (green-blind)
#3B65AE
Tritanopia (blue-blind)
#007E86
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #256eaf;
/* rgb */ color: rgb(37, 110, 175);
/* oklch */ color: oklch(52.6% 0.125 249.5);
Tailwind
colors: {
  custom: {
    50: '#7597c7',
    500: '#256eaf',
    950: '#000000',
  },
}
SCSS
$custom: #256eaf;
$custom-light: #7597c7;
$custom-dark: #000000;
JSON
{
  "hex": "#256eaf",
  "rgb": {
    "r": 37,
    "g": 110,
    "b": 175
  },
  "hsl": {
    "h": 208.261,
    "s": 65.094,
    "l": 41.569
  },
  "oklch": {
    "l": 0.52638,
    "c": 0.12451,
    "h": 249.5
  },
  "luminance": 0.1464
}

Semantic roles & 50–950 ramp

primary
#256EAF
secondary
#C79569
accent
#8F40E8
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0D13
muted
#7C7E82

Preview Lab

Preview with #256EAF

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

Preview Lab → · Contrast checker → · Palette generator →

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