#2571A9#2571A9

#2571A9 is a mid, moderate cyan. Relative luminance 0.151; OKLCH L 53.0% C 0.114 H 245.1°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX#2571A9
RGBrgb(37, 113, 169)
HSLhsl(205, 64%, 40%)
HSVhsv(205, 78%, 66%)
CMYKcmyk(78.1%, 33.1%, 0%, 33.7%)
CIE-LABlab(45.73, -3.09, -36.47)
CIE-LCHlch(45.73, 36.60, 265.15°)
OKLaboklab(53% -0.0482 -0.1035)
OKLCHoklch(53% 0.114 245.1)
XYZxyz(13.8267, 15.0665, 39.7078)
Luminance0.1507 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2571A9 #A95D25
analogous
#25A99F #2571A9 #252FA9
triadic
#2571A9 #A92571 #71A925
tetradic
#2571A9 #9F25A9 #A95D25 #2FA925
square
#2571A9 #9F25A9 #A95D25 #2FA925
split-complementary
#2571A9 #A9252F #A99F25
monochromatic
#0F2E45 #1A4F77 #2571A9 #3891D3 #6AADDE

Accessibility & contrast

On white

5.23
#2571A9 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.01
#2571A9 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2571A9
5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2571A9#FFFFFF#000000##FFFFFF
##2571A91.005.234.015.23
#FFFFFF5.231.0021.001.00
#0000004.0121.001.0021.00
##FFFFFF5.231.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5773AB
Deuteranopia (green-blind)
#4467A8
Tritanopia (blue-blind)
#007F85
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #2571a9;
/* rgb */ color: rgb(37, 113, 169);
/* oklch */ color: oklch(53.0% 0.114 245.1);
Tailwind
colors: {
  custom: {
    50: '#7499c3',
    500: '#2571a9',
    950: '#000000',
  },
}
SCSS
$custom: #2571a9;
$custom-light: #7499c3;
$custom-dark: #000000;
JSON
{
  "hex": "#2571a9",
  "rgb": {
    "r": 37,
    "g": 113,
    "b": 169
  },
  "hsl": {
    "h": 205.455,
    "s": 64.078,
    "l": 40.392
  },
  "oklch": {
    "l": 0.52998,
    "c": 0.1142,
    "h": 245.1
  },
  "luminance": 0.15068
}

Semantic roles & 50–950 ramp

primary
#2571A9
secondary
#C48E65
accent
#8741E7
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#090D12
muted
#7B7E81

Preview Lab

Preview with #2571A9

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

Preview Lab → · Contrast checker → · Palette generator →

#2571A9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva