#2397B9#2397B9

#2397B9 is a light, moderate cyan. Relative luminance 0.260; OKLCH L 63.0% C 0.109 H 223.1°. Best body text is #000000 at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#2397B9
RGB	rgb(35, 151, 185)
HSL	hsl(194, 68%, 43%)
HSV	hsv(194, 81%, 73%)
CMYK	cmyk(81.1%, 18.4%, 0%, 27.5%)
CIE-LAB	lab(58.03, -19.17, -26.49)
CIE-LCH	lch(58.03, 32.70, 234.10°)
OKLab	oklab(63.03% -0.0795 -0.0743)
OKLCH	oklch(63.03% 0.109 223.1)
XYZ	xyz(20.5130, 25.9908, 49.8251)
Luminance	0.2599 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2397B9 #B94523

analogous

#23B990 #2397B9 #234CB9

triadic

#2397B9 #B92397 #97B923

tetradic

#2397B9 #9023B9 #B94523 #4CB923

square

#2397B9 #9023B9 #B94523 #4CB923

split-complementary

#2397B9 #B9234C #B99023

monochromatic

#104352 #196D86 #2397B9 #3FB7DB #72CAE4

Accessibility & contrast

On white

3.39

#2397B9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.20

#2397B9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2397B9

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2397B9	#FFFFFF	#000000	##000000
##2397B9	1.00	3.39	6.20	6.20
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.20	21.00	1.00	1.00
##000000	6.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8493BB

Deuteranopia (green-blind)

#7085B9

Tritanopia (blue-blind)

#00A1A2

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #2397b9;
/* rgb */ color: rgb(35, 151, 185);
/* oklch */ color: oklch(63.0% 0.109 223.1);

Tailwind

colors: {
  custom: {
    50: '#78b5ce',
    500: '#2397b9',
    950: '#000000',
  },
}

SCSS

$custom: #2397b9;
$custom-light: #78b5ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2397b9",
  "rgb": {
    "r": 35,
    "g": 151,
    "b": 185
  },
  "hsl": {
    "h": 193.6,
    "s": 68.182,
    "l": 43.137
  },
  "oklch": {
    "l": 0.63025,
    "c": 0.10879,
    "h": 223.1
  },
  "luminance": 0.25993
}

Semantic roles & 50–950 ramp

primary

#2397B9

secondary

#CB826D

accent

#643DEB

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0A1113

muted

#7C8082

Preview Lab

Preview with #2397B9

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

Preview Lab → · Contrast checker → · Palette generator →