#2597B6#2597B6

#2597B6 is a light, moderate cyan. Relative luminance 0.259; OKLCH L 62.9% C 0.106 H 221.1°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#2597B6
RGB	rgb(37, 151, 182)
HSL	hsl(193, 66%, 43%)
HSV	hsv(193, 80%, 71%)
CMYK	cmyk(79.7%, 17%, 0%, 28.6%)
CIE-LAB	lab(57.94, -20.00, -24.91)
CIE-LCH	lch(57.94, 31.95, 231.25°)
OKLab	oklab(62.93% -0.0799 -0.0698)
OKLCH	oklch(62.93% 0.106 221.1)
XYZ	xyz(20.2695, 25.9014, 48.1781)
Luminance	0.2590 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2597B6 #B64425

analogous

#25B68D #2597B6 #254EB6

triadic

#2597B6 #B62597 #97B625

tetradic

#2597B6 #8D25B6 #B64425 #4EB625

square

#2597B6 #8D25B6 #B64425 #4EB625

split-complementary

#2597B6 #B6254E #B68D25

monochromatic

#104350 #1B6D83 #2597B6 #40B8D8 #73CBE3

Accessibility & contrast

On white

3.40

#2597B6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.18

#2597B6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2597B6

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2597B6	#FFFFFF	#000000	##000000
##2597B6	1.00	3.40	6.18	6.18
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.18	21.00	1.00	1.00
##000000	6.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8593B8

Deuteranopia (green-blind)

#7185B6

Tritanopia (blue-blind)

#00A1A1

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #2597b6;
/* rgb */ color: rgb(37, 151, 182);
/* oklch */ color: oklch(62.9% 0.106 221.1);

Tailwind

colors: {
  custom: {
    50: '#78b5cc',
    500: '#2597b6',
    950: '#000000',
  },
}

SCSS

$custom: #2597b6;
$custom-light: #78b5cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2597b6",
  "rgb": {
    "r": 37,
    "g": 151,
    "b": 182
  },
  "hsl": {
    "h": 192.828,
    "s": 66.21,
    "l": 42.941
  },
  "oklch": {
    "l": 0.62927,
    "c": 0.10612,
    "h": 221.1
  },
  "luminance": 0.25904
}

Semantic roles & 50–950 ramp

primary

#2597B6

secondary

#CA816D

accent

#633FE9

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0A1113

muted

#7C8082

Preview Lab

Preview with #2597B6

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

Preview Lab → · Contrast checker → · Palette generator →