#2597B9#2597B9

#2597B9 is a light, moderate cyan. Relative luminance 0.260; OKLCH L 63.1% C 0.108 H 223.2°. Best body text is #000000 at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#2597B9
RGB	rgb(37, 151, 185)
HSL	hsl(194, 67%, 44%)
HSV	hsv(194, 80%, 73%)
CMYK	cmyk(80%, 18.4%, 0%, 27.5%)
CIE-LAB	lab(58.06, -18.98, -26.43)
CIE-LCH	lch(58.06, 32.54, 234.32°)
OKLab	oklab(63.06% -0.0788 -0.0741)
OKLCH	oklch(63.06% 0.108 223.2)
XYZ	xyz(20.5828, 26.0268, 49.8284)
Luminance	0.2603 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2597B9 #B94725

analogous

#25B991 #2597B9 #254DB9

triadic

#2597B9 #B92597 #97B925

tetradic

#2597B9 #9125B9 #B94725 #4DB925

square

#2597B9 #9125B9 #B94725 #4DB925

split-complementary

#2597B9 #B9254D #B99125

monochromatic

#114453 #1B6D86 #2597B9 #42B6D9 #75CAE3

Accessibility & contrast

On white

3.38

#2597B9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.21

#2597B9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2597B9

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2597B9	#FFFFFF	#000000	##000000
##2597B9	1.00	3.38	6.21	6.21
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.21	21.00	1.00	1.00
##000000	6.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8493BB

Deuteranopia (green-blind)

#7085B9

Tritanopia (blue-blind)

#00A1A2

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #2597b9;
/* rgb */ color: rgb(37, 151, 185);
/* oklch */ color: oklch(63.1% 0.108 223.2);

Tailwind

colors: {
  custom: {
    50: '#79b5ce',
    500: '#2597b9',
    950: '#000000',
  },
}

SCSS

$custom: #2597b9;
$custom-light: #79b5ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2597b9",
  "rgb": {
    "r": 37,
    "g": 151,
    "b": 185
  },
  "hsl": {
    "h": 193.784,
    "s": 66.667,
    "l": 43.529
  },
  "oklch": {
    "l": 0.63062,
    "c": 0.10817,
    "h": 223.2
  },
  "luminance": 0.26029
}

Semantic roles & 50–950 ramp

primary

#2597B9

secondary

#CB846F

accent

#663EEA

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #2597B9

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

Preview Lab → · Contrast checker → · Palette generator →