#2497B3#2497B3

#2497B3 is a light, moderate cyan. Relative luminance 0.258; OKLCH L 62.8% C 0.105 H 218.8°. Best body text is #000000 at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#2497B3
RGB	rgb(36, 151, 179)
HSL	hsl(192, 67%, 42%)
HSV	hsv(192, 80%, 70%)
CMYK	cmyk(79.9%, 15.6%, 0%, 29.8%)
CIE-LAB	lab(57.81, -21.11, -23.42)
CIE-LCH	lch(57.81, 31.53, 227.97°)
OKLab	oklab(62.78% -0.0815 -0.0655)
OKLCH	oklch(62.78% 0.105 218.8)
XYZ	xyz(19.9274, 25.7605, 46.5611)
Luminance	0.2576 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2497B3 #B34024

analogous

#24B387 #2497B3 #2450B3

triadic

#2497B3 #B32497 #97B324

tetradic

#2497B3 #8724B3 #B34024 #50B324

square

#2497B3 #8724B3 #B34024 #50B324

split-complementary

#2497B3 #B32450 #B38724

monochromatic

#10414D #1A6C80 #2497B3 #3CB9D8 #6FCCE2

Accessibility & contrast

On white

3.41

#2497B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.15

#2497B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2497B3

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2497B3	#FFFFFF	#000000	##000000
##2497B3	1.00	3.41	6.15	6.15
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.15	21.00	1.00	1.00
##000000	6.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8593B5

Deuteranopia (green-blind)

#7385B3

Tritanopia (blue-blind)

#00A0A0

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #2497b3;
/* rgb */ color: rgb(36, 151, 179);
/* oklch */ color: oklch(62.8% 0.105 218.8);

Tailwind

colors: {
  custom: {
    50: '#77b5c9',
    500: '#2497b3',
    950: '#000000',
  },
}

SCSS

$custom: #2497b3;
$custom-light: #77b5c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2497b3",
  "rgb": {
    "r": 36,
    "g": 151,
    "b": 179
  },
  "hsl": {
    "h": 191.748,
    "s": 66.512,
    "l": 42.157
  },
  "oklch": {
    "l": 0.62775,
    "c": 0.10456,
    "h": 218.8
  },
  "luminance": 0.25763
}

Semantic roles & 50–950 ramp

primary

#2497B3

secondary

#C97D6A

accent

#603EE9

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0A1113

muted

#7C8082

Preview Lab

Preview with #2497B3

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

Preview Lab → · Contrast checker → · Palette generator →