#2397B4#2397B4

#2397B4 is a light, moderate cyan. Relative luminance 0.258; OKLCH L 62.8% C 0.105 H 219.5°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#2397B4
RGB	rgb(35, 151, 180)
HSL	hsl(192, 67%, 42%)
HSV	hsv(192, 81%, 71%)
CMYK	cmyk(80.6%, 16.1%, 0%, 29.4%)
CIE-LAB	lab(57.83, -20.87, -23.96)
CIE-LCH	lch(57.83, 31.77, 228.94°)
OKLab	oklab(62.8% -0.0814 -0.067)
OKLCH	oklch(62.8% 0.105 219.5)
XYZ	xyz(19.9945, 25.7833, 47.0940)
Luminance	0.2579 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2397B4 #B44023

analogous

#23B489 #2397B4 #234FB4

triadic

#2397B4 #B42397 #97B423

tetradic

#2397B4 #8923B4 #B44023 #4FB423

square

#2397B4 #8923B4 #B44023 #4FB423

split-complementary

#2397B4 #B4234F #B48923

monochromatic

#0F414E #196C81 #2397B4 #3BB9D9 #6ECCE3

Accessibility & contrast

On white

3.41

#2397B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.16

#2397B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2397B4

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2397B4	#FFFFFF	#000000	##000000
##2397B4	1.00	3.41	6.16	6.16
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.16	21.00	1.00	1.00
##000000	6.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8593B6

Deuteranopia (green-blind)

#7285B4

Tritanopia (blue-blind)

#00A1A0

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #2397b4;
/* rgb */ color: rgb(35, 151, 180);
/* oklch */ color: oklch(62.8% 0.105 219.5);

Tailwind

colors: {
  custom: {
    50: '#77b5ca',
    500: '#2397b4',
    950: '#000000',
  },
}

SCSS

$custom: #2397b4;
$custom-light: #77b5ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2397b4",
  "rgb": {
    "r": 35,
    "g": 151,
    "b": 180
  },
  "hsl": {
    "h": 192,
    "s": 67.442,
    "l": 42.157
  },
  "oklch": {
    "l": 0.62801,
    "c": 0.10549,
    "h": 219.5
  },
  "luminance": 0.25786
}

Semantic roles & 50–950 ramp

primary

#2397B4

secondary

#C97D69

accent

#603DEA

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0A1113

muted

#7C8082

Preview Lab

Preview with #2397B4

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

Preview Lab → · Contrast checker → · Palette generator →