#2398B9#2398B9

#2398B9 is a light, moderate cyan. Relative luminance 0.263; OKLCH L 63.3% C 0.109 H 222.2°. Best body text is #000000 at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#2398B9
RGB	rgb(35, 152, 185)
HSL	hsl(193, 68%, 43%)
HSV	hsv(193, 81%, 73%)
CMYK	cmyk(81.1%, 17.8%, 0%, 27.5%)
CIE-LAB	lab(58.33, -19.70, -26.01)
CIE-LCH	lch(58.33, 32.63, 232.86°)
OKLab	oklab(63.27% -0.0804 -0.0729)
OKLCH	oklch(63.27% 0.109 222.2)
XYZ	xyz(20.6746, 26.3140, 49.8790)
Luminance	0.2632 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2398B9 #B94423

analogous

#23B98F #2398B9 #234DB9

triadic

#2398B9 #B92398 #98B923

tetradic

#2398B9 #8F23B9 #B94423 #4DB923

square

#2398B9 #8F23B9 #B94423 #4DB923

split-complementary

#2398B9 #B9234D #B98F23

monochromatic

#104352 #196E86 #2398B9 #3FB8DB #72CBE4

Accessibility & contrast

On white

3.35

#2398B9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.26

#2398B9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2398B9

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2398B9	#FFFFFF	#000000	##000000
##2398B9	1.00	3.35	6.26	6.26
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.26	21.00	1.00	1.00
##000000	6.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8594BB

Deuteranopia (green-blind)

#7186B9

Tritanopia (blue-blind)

#00A2A3

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #2398b9;
/* rgb */ color: rgb(35, 152, 185);
/* oklch */ color: oklch(63.3% 0.109 222.2);

Tailwind

colors: {
  custom: {
    50: '#78b6ce',
    500: '#2398b9',
    950: '#000000',
  },
}

SCSS

$custom: #2398b9;
$custom-light: #78b6ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2398b9",
  "rgb": {
    "r": 35,
    "g": 152,
    "b": 185
  },
  "hsl": {
    "h": 193.2,
    "s": 68.182,
    "l": 43.137
  },
  "oklch": {
    "l": 0.6327,
    "c": 0.10856,
    "h": 222.2
  },
  "luminance": 0.26317
}

Semantic roles & 50–950 ramp

primary

#2398B9

secondary

#CB816D

accent

#633DEB

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #2398B9

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

Preview Lab → · Contrast checker → · Palette generator →