#2571BE#2571BE

#2571BE is a mid, vivid cyan. Relative luminance 0.159; OKLCH L 54.3% C 0.141 H 252.4°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX#2571BE
RGBrgb(37, 113, 190)
HSLhsl(210, 67%, 45%)
HSVhsv(210, 81%, 75%)
CMYKcmyk(80.5%, 40.5%, 0%, 25.5%)
CIE-LABlab(46.87, 4.86, -46.86)
CIE-LCHlch(46.87, 47.12, 275.92°)
OKLaboklab(54.27% -0.0426 -0.134)
OKLCHoklch(54.27% 0.141 252.4)
XYZxyz(15.9588, 15.9193, 50.9368)
Luminance0.1592 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2571BE #BE7225
analogous
#25BEBE #2571BE #2525BE
triadic
#2571BE #BE2571 #71BE25
tetradic
#2571BE #BE25BE #BE7225 #25BE25
square
#2571BE #BE25BE #BE7225 #25BE25
split-complementary
#2571BE #BE2525 #BEBE25
monochromatic
#113458 #1B538B #2571BE #4590DB #79AEE5

Accessibility & contrast

On white

5.02
#2571BE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.18
#2571BE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2571BE
5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2571BE#FFFFFF#000000##FFFFFF
##2571BE1.005.024.185.02
#FFFFFF5.021.0021.001.00
#0000004.1821.001.0021.00
##FFFFFF5.021.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4B77C1
Deuteranopia (green-blind)
#3269BC
Tritanopia (blue-blind)
#00838E
Achromatopsia (no color)
#6F6F6F

Design tokens & code

CSS
--color: #2571be;
/* rgb */ color: rgb(37, 113, 190);
/* oklch */ color: oklch(54.3% 0.141 252.4);
Tailwind
colors: {
  custom: {
    50: '#7899d2',
    500: '#2571be',
    950: '#000000',
  },
}
SCSS
$custom: #2571be;
$custom-light: #7899d2;
$custom-dark: #000000;
JSON
{
  "hex": "#2571be",
  "rgb": {
    "r": 37,
    "g": 113,
    "b": 190
  },
  "hsl": {
    "h": 210.196,
    "s": 67.401,
    "l": 44.51
  },
  "oklch": {
    "l": 0.54268,
    "c": 0.1406,
    "h": 252.4
  },
  "luminance": 0.15921
}

Semantic roles & 50–950 ramp

primary
#2571BE
secondary
#CDA072
accent
#943EEA
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0A0D14
muted
#7C7E82

Preview Lab

Preview with #2571BE

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

Preview Lab → · Contrast checker → · Palette generator →

#2571BE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva