#2575A5#2575A5

#2575A5 is a mid, moderate cyan. Relative luminance 0.158; OKLCH L 53.7% C 0.106 H 239.9°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#2575A5
RGB	rgb(37, 117, 165)
HSL	hsl(203, 63%, 40%)
HSV	hsv(203, 78%, 65%)
CMYK	cmyk(77.6%, 29.1%, 0%, 35.3%)
CIE-LAB	lab(46.75, -6.97, -32.51)
CIE-LCH	lch(46.75, 33.25, 257.90°)
OKLab	oklab(53.75% -0.0533 -0.092)
OKLCH	oklch(53.75% 0.106 239.9)
XYZ	xyz(13.9131, 15.8309, 37.9124)
Luminance	0.1583 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2575A5 #A55525

analogous

#25A595 #2575A5 #2535A5

triadic

#2575A5 #A52575 #75A525

tetradic

#2575A5 #9525A5 #A55525 #35A525

square

#2575A5 #9525A5 #A55525 #35A525

split-complementary

#2575A5 #A52535 #A59525

monochromatic

#0F2E41 #1A5273 #2575A5 #3597D2 #67B1DD

Accessibility & contrast

On white

5.04

#2575A5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#2575A5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2575A5

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2575A5	#FFFFFF	#000000	##FFFFFF
##2575A5	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E75A7

Deuteranopia (green-blind)

#4D69A4

Tritanopia (blue-blind)

#008186

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #2575a5;
/* rgb */ color: rgb(37, 117, 165);
/* oklch */ color: oklch(53.7% 0.106 239.9);

Tailwind

colors: {
  custom: {
    50: '#739cc0',
    500: '#2575a5',
    950: '#000000',
  },
}

SCSS

$custom: #2575a5;
$custom-light: #739cc0;
$custom-dark: #000000;

JSON

{
  "hex": "#2575a5",
  "rgb": {
    "r": 37,
    "g": 117,
    "b": 165
  },
  "hsl": {
    "h": 202.5,
    "s": 63.366,
    "l": 39.608
  },
  "oklch": {
    "l": 0.53745,
    "c": 0.10627,
    "h": 239.9
  },
  "luminance": 0.15833
}

Semantic roles & 50–950 ramp

primary

#2575A5

secondary

#C38763

accent

#7F41E6

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2575A5

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

Preview Lab → · Contrast checker → · Palette generator →