#2398B4#2398B4

#2398B4 is a light, moderate cyan. Relative luminance 0.261; OKLCH L 63.0% C 0.105 H 218.6°. Best body text is #000000 at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#2398B4
RGB	rgb(35, 152, 180)
HSL	hsl(192, 67%, 42%)
HSV	hsv(192, 81%, 71%)
CMYK	cmyk(80.6%, 15.6%, 0%, 29.4%)
CIE-LAB	lab(58.14, -21.39, -23.48)
CIE-LCH	lch(58.14, 31.77, 227.67°)
OKLab	oklab(63.05% -0.0824 -0.0657)
OKLCH	oklch(63.05% 0.105 218.6)
XYZ	xyz(20.1561, 26.1066, 47.1479)
Luminance	0.2611 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2398B4 #B43F23

analogous

#23B487 #2398B4 #2350B4

triadic

#2398B4 #B42398 #98B423

tetradic

#2398B4 #8723B4 #B43F23 #50B423

square

#2398B4 #8723B4 #B43F23 #50B423

split-complementary

#2398B4 #B42350 #B48723

monochromatic

#0F414E #196D81 #2398B4 #3BBAD9 #6ECCE3

Accessibility & contrast

On white

3.38

#2398B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.22

#2398B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2398B4

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2398B4	#FFFFFF	#000000	##000000
##2398B4	1.00	3.38	6.22	6.22
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.22	21.00	1.00	1.00
##000000	6.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8694B6

Deuteranopia (green-blind)

#7386B4

Tritanopia (blue-blind)

#00A1A1

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #2398b4;
/* rgb */ color: rgb(35, 152, 180);
/* oklch */ color: oklch(63.0% 0.105 218.6);

Tailwind

colors: {
  custom: {
    50: '#77b6ca',
    500: '#2398b4',
    950: '#000000',
  },
}

SCSS

$custom: #2398b4;
$custom-light: #77b6ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2398b4",
  "rgb": {
    "r": 35,
    "g": 152,
    "b": 180
  },
  "hsl": {
    "h": 191.586,
    "s": 67.442,
    "l": 42.157
  },
  "oklch": {
    "l": 0.63048,
    "c": 0.10539,
    "h": 218.6
  },
  "luminance": 0.26109
}

Semantic roles & 50–950 ramp

primary

#2398B4

secondary

#C97C69

accent

#5F3DEA

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0A1113

muted

#7C8082

Preview Lab

Preview with #2398B4

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

Preview Lab → · Contrast checker → · Palette generator →