#2597B0#2597B0

#2597B0 is a light, moderate cyan. Relative luminance 0.257; OKLCH L 62.7% C 0.103 H 216.6°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#2597B0
RGB	rgb(37, 151, 176)
HSL	hsl(191, 65%, 42%)
HSV	hsv(191, 79%, 69%)
CMYK	cmyk(79%, 14.2%, 0%, 31%)
CIE-LAB	lab(57.71, -22.01, -21.87)
CIE-LCH	lch(57.71, 31.02, 224.81°)
OKLab	oklab(62.66% -0.0824 -0.0611)
OKLCH	oklch(62.66% 0.103 216.6)
XYZ	xyz(19.6627, 25.6587, 44.9822)
Luminance	0.2566 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2597B0 #B03E25

analogous

#25B083 #2597B0 #2552B0

triadic

#2597B0 #B02597 #97B025

tetradic

#2597B0 #8325B0 #B03E25 #52B025

square

#2597B0 #8325B0 #B03E25 #52B025

split-complementary

#2597B0 #B02552 #B08325

monochromatic

#10404B #1A6C7D #2597B0 #3CBAD6 #6FCCE1

Accessibility & contrast

On white

3.42

#2597B0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.13

#2597B0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2597B0

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2597B0	#FFFFFF	#000000	##000000
##2597B0	1.00	3.42	6.13	6.13
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.13	21.00	1.00	1.00
##000000	6.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8692B1

Deuteranopia (green-blind)

#7485B0

Tritanopia (blue-blind)

#00A09F

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #2597b0;
/* rgb */ color: rgb(37, 151, 176);
/* oklch */ color: oklch(62.7% 0.103 216.6);

Tailwind

colors: {
  custom: {
    50: '#77b5c7',
    500: '#2597b0',
    950: '#000000',
  },
}

SCSS

$custom: #2597b0;
$custom-light: #77b5c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2597b0",
  "rgb": {
    "r": 37,
    "g": 151,
    "b": 176
  },
  "hsl": {
    "h": 190.791,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.62664,
    "c": 0.10254,
    "h": 216.6
  },
  "luminance": 0.25661
}

Semantic roles & 50–950 ramp

primary

#2597B0

secondary

#C77A6A

accent

#5E40E8

background

#F7FBFC

surface

#EEF6F8

border

#C9D0D1

text

#0A1113

muted

#7C8082

Preview Lab

Preview with #2597B0

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

Preview Lab → · Contrast checker → · Palette generator →