#256999#256999

#256999 is a mid, moderate cyan. Relative luminance 0.128; OKLCH L 50.1% C 0.102 H 243.5°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX#256999
RGBrgb(37, 105, 153)
HSLhsl(205, 61%, 37%)
HSVhsv(205, 76%, 60%)
CMYKcmyk(75.8%, 31.4%, 0%, 40%)
CIE-LABlab(42.45, -4.21, -32.18)
CIE-LCHlch(42.45, 32.45, 262.55°)
OKLaboklab(50.15% -0.0454 -0.0911)
OKLCHoklch(50.15% 0.102 243.5)
XYZxyz(11.5621, 12.7950, 31.9911)
Luminance0.1280 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256999 #995525
analogous
#25998F #256999 #252F99
triadic
#256999 #992569 #699925
tetradic
#256999 #8F2599 #995525 #2F9925
square
#256999 #8F2599 #995525 #2F9925
split-complementary
#256999 #99252F #998F25
monochromatic
#0D2536 #194768 #256999 #318BCA #60A7D9

Accessibility & contrast

On white

5.90
#256999 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.56
#256999 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256999
5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256999#FFFFFF#000000##FFFFFF
##2569991.005.903.565.90
#FFFFFF5.901.0021.001.00
#0000003.5621.001.0021.00
##FFFFFF5.901.0021.001.00

Color blindness preview

Protanopia (red-blind)
#536A9B
Deuteranopia (green-blind)
#435F98
Tritanopia (blue-blind)
#00757A
Achromatopsia (no color)
#646464

Design tokens & code

CSS
--color: #256999;
/* rgb */ color: rgb(37, 105, 153);
/* oklch */ color: oklch(50.1% 0.102 243.5);
Tailwind
colors: {
  custom: {
    50: '#7093b7',
    500: '#256999',
    950: '#000000',
  },
}
SCSS
$custom: #256999;
$custom-light: #7093b7;
$custom-dark: #000000;
JSON
{
  "hex": "#256999",
  "rgb": {
    "r": 37,
    "g": 105,
    "b": 153
  },
  "hsl": {
    "h": 204.828,
    "s": 61.053,
    "l": 37.255
  },
  "oklch": {
    "l": 0.50148,
    "c": 0.10183,
    "h": 243.5
  },
  "luminance": 0.12796
}

Semantic roles & 50–950 ramp

primary
#256999
secondary
#BE845C
accent
#8644E4
background
#F7F9FB
surface
#EDF1F6
border
#C8CBD0
text
#090D11
muted
#7B7E80

Preview Lab

Preview with #256999

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

Preview Lab → · Contrast checker → · Palette generator →

#256999 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva