#256FB0#256FB0

#256FB0 is a mid, vivid cyan. Relative luminance 0.149; OKLCH L 52.9% C 0.125 H 249.2°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX#256FB0
RGBrgb(37, 111, 176)
HSLhsl(208, 65%, 42%)
HSVhsv(208, 79%, 69%)
CMYKcmyk(79%, 36.9%, 0%, 31%)
CIE-LABlab(45.49, 0.77, -40.93)
CIE-LCHlch(45.49, 40.94, 271.08°)
OKLaboklab(52.93% -0.0443 -0.1166)
OKLCHoklch(52.93% 0.125 249.2)
XYZxyz(14.2809, 14.8951, 43.1883)
Luminance0.1490 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#256FB0 #B06625
analogous
#25B0AC #256FB0 #2529B0
triadic
#256FB0 #B0256F #6FB025
tetradic
#256FB0 #AC25B0 #B06625 #29B025
square
#256FB0 #AC25B0 #B06625 #29B025
split-complementary
#256FB0 #B02529 #B0AC25
monochromatic
#102F4B #1A4F7D #256FB0 #3C8ED6 #6FABE1

Accessibility & contrast

On white

5.28
#256FB0 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.98
#256FB0 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256FB0
5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##256FB0#FFFFFF#000000##FFFFFF
##256FB01.005.283.985.28
#FFFFFF5.281.0021.001.00
#0000003.9821.001.0021.00
##FFFFFF5.281.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5073B3
Deuteranopia (green-blind)
#3C66AF
Tritanopia (blue-blind)
#007F87
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #256fb0;
/* rgb */ color: rgb(37, 111, 176);
/* oklch */ color: oklch(52.9% 0.125 249.2);
Tailwind
colors: {
  custom: {
    50: '#7597c8',
    500: '#256fb0',
    950: '#000000',
  },
}
SCSS
$custom: #256fb0;
$custom-light: #7597c8;
$custom-dark: #000000;
JSON
{
  "hex": "#256fb0",
  "rgb": {
    "r": 37,
    "g": 111,
    "b": 176
  },
  "hsl": {
    "h": 208.058,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.52934,
    "c": 0.12477,
    "h": 249.2
  },
  "luminance": 0.14897
}

Semantic roles & 50–950 ramp

primary
#256FB0
secondary
#C7956A
accent
#8E40E8
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0D13
muted
#7C7E82

Preview Lab

Preview with #256FB0

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

Preview Lab → · Contrast checker → · Palette generator →

#256FB0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva