#2497B0#2497B0

#2497B0 is a light, moderate cyan. Relative luminance 0.256; OKLCH L 62.6% C 0.103 H 216.5°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#2497B0
RGB	rgb(36, 151, 176)
HSL	hsl(191, 66%, 42%)
HSV	hsv(191, 80%, 69%)
CMYK	cmyk(79.5%, 14.2%, 0%, 31%)
CIE-LAB	lab(57.69, -22.11, -21.89)
CIE-LCH	lch(57.69, 31.12, 224.72°)
OKLab	oklab(62.65% -0.0827 -0.0612)
OKLCH	oklch(62.65% 0.103 216.5)
XYZ	xyz(19.6273, 25.6404, 44.9805)
Luminance	0.2564 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2497B0 #B03D24

analogous

#24B083 #2497B0 #2451B0

triadic

#2497B0 #B02497 #97B024

tetradic

#2497B0 #8324B0 #B03D24 #51B024

square

#2497B0 #8324B0 #B03D24 #51B024

split-complementary

#2497B0 #B02451 #B08324

monochromatic

#0F404A #1A6B7D #2497B0 #3ABBD7 #6DCCE1

Accessibility & contrast

On white

3.43

#2497B0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.13

#2497B0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2497B0

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2497B0	#FFFFFF	#000000	##000000
##2497B0	1.00	3.43	6.13	6.13
#FFFFFF	3.43	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: #2497b0;
/* rgb */ color: rgb(36, 151, 176);
/* oklch */ color: oklch(62.6% 0.103 216.5);

Tailwind

colors: {
  custom: {
    50: '#77b5c7',
    500: '#2497b0',
    950: '#000000',
  },
}

SCSS

$custom: #2497b0;
$custom-light: #77b5c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2497b0",
  "rgb": {
    "r": 36,
    "g": 151,
    "b": 176
  },
  "hsl": {
    "h": 190.714,
    "s": 66.038,
    "l": 41.569
  },
  "oklch": {
    "l": 0.62645,
    "c": 0.10287,
    "h": 216.5
  },
  "luminance": 0.25643
}

Semantic roles & 50–950 ramp

primary

#2497B0

secondary

#C87968

accent

#5D3FE9

background

#F7FBFC

surface

#EEF6F8

border

#C9D0D1

text

#0A1113

muted

#7C8082

Preview Lab

Preview with #2497B0

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

Preview Lab → · Contrast checker → · Palette generator →