#256B9D#256B9D

#256B9D is a mid, moderate cyan. Relative luminance 0.133; OKLCH L 50.9% C 0.105 H 243.9°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX#256B9D
RGBrgb(37, 107, 157)
HSLhsl(205, 62%, 38%)
HSVhsv(205, 76%, 62%)
CMYKcmyk(76.4%, 31.8%, 0%, 38.4%)
CIE-LABlab(43.27, -3.93, -33.26)
CIE-LCHlch(43.27, 33.49, 263.26°)
OKLaboklab(50.86% -0.0461 -0.0943)
OKLCHoklch(50.86% 0.105 243.9)
XYZxyz(12.1041, 13.3416, 33.8290)
Luminance0.1334 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256B9D #9D5725
analogous
#259D93 #256B9D #252F9D
triadic
#256B9D #9D256B #6B9D25
tetradic
#256B9D #93259D #9D5725 #2F9D25
square
#256B9D #93259D #9D5725 #2F9D25
split-complementary
#256B9D #9D252F #9D9325
monochromatic
#0E273A #19496B #256B9D #318DCE #62A8DA

Accessibility & contrast

On white

5.72
#256B9D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.67
#256B9D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256B9D
5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256B9D#FFFFFF#000000##FFFFFF
##256B9D1.005.723.675.72
#FFFFFF5.721.0021.001.00
#0000003.6721.001.0021.00
##FFFFFF5.721.0021.001.00

Color blindness preview

Protanopia (red-blind)
#546C9F
Deuteranopia (green-blind)
#43619C
Tritanopia (blue-blind)
#00777D
Achromatopsia (no color)
#666666

Design tokens & code

CSS
--color: #256b9d;
/* rgb */ color: rgb(37, 107, 157);
/* oklch */ color: oklch(50.9% 0.105 243.9);
Tailwind
colors: {
  custom: {
    50: '#7195ba',
    500: '#256b9d',
    950: '#000000',
  },
}
SCSS
$custom: #256b9d;
$custom-light: #7195ba;
$custom-dark: #000000;
JSON
{
  "hex": "#256b9d",
  "rgb": {
    "r": 37,
    "g": 107,
    "b": 157
  },
  "hsl": {
    "h": 205,
    "s": 61.856,
    "l": 38.039
  },
  "oklch": {
    "l": 0.50862,
    "c": 0.10495,
    "h": 243.9
  },
  "luminance": 0.13343
}

Semantic roles & 50–950 ramp

primary
#256B9D
secondary
#BF875E
accent
#8643E5
background
#F7F9FB
surface
#EDF1F6
border
#C8CBD0
text
#090D11
muted
#7B7E80

Preview Lab

Preview with #256B9D

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

Preview Lab → · Contrast checker → · Palette generator →

#256B9D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva