#2571A5#2571A5

#2571A5 is a mid, moderate cyan. Relative luminance 0.149; OKLCH L 52.8% C 0.109 H 243.2°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#2571A5
RGB	rgb(37, 113, 165)
HSL	hsl(204, 63%, 40%)
HSV	hsv(204, 78%, 65%)
CMYK	cmyk(77.6%, 31.5%, 0%, 35.3%)
CIE-LAB	lab(45.52, -4.58, -34.44)
CIE-LCH	lch(45.52, 34.75, 262.42°)
OKLab	oklab(52.77% -0.0494 -0.0976)
OKLCH	oklch(52.77% 0.109 243.2)
XYZ	xyz(13.4570, 14.9186, 37.7604)
Luminance	0.1492 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2571A5 #A55925

analogous

#25A599 #2571A5 #2531A5

triadic

#2571A5 #A52571 #71A525

tetradic

#2571A5 #9925A5 #A55925 #31A525

square

#2571A5 #9925A5 #A55925 #31A525

split-complementary

#2571A5 #A52531 #A59925

monochromatic

#0F2D41 #1A4F73 #2571A5 #3592D2 #67ADDD

Accessibility & contrast

On white

5.27

#2571A5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#2571A5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2571A5

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2571A5	#FFFFFF	#000000	##FFFFFF
##2571A5	1.00	5.27	3.98	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5972A7

Deuteranopia (green-blind)

#4766A4

Tritanopia (blue-blind)

#007E83

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #2571a5;
/* rgb */ color: rgb(37, 113, 165);
/* oklch */ color: oklch(52.8% 0.109 243.2);

Tailwind

colors: {
  custom: {
    50: '#7399c0',
    500: '#2571a5',
    950: '#000000',
  },
}

SCSS

$custom: #2571a5;
$custom-light: #7399c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2571a5",
  "rgb": {
    "r": 37,
    "g": 113,
    "b": 165
  },
  "hsl": {
    "h": 204.375,
    "s": 63.366,
    "l": 39.608
  },
  "oklch": {
    "l": 0.52772,
    "c": 0.10943,
    "h": 243.2
  },
  "luminance": 0.1492
}

Semantic roles & 50–950 ramp

primary

#2571A5

secondary

#C38A63

accent

#8441E6

background

#F7F9FB

surface

#EDF2F7

border

#C8CCD0

text

#090D12

muted

#7B7E81

Preview Lab

Preview with #2571A5

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

Preview Lab → · Contrast checker → · Palette generator →