#2399B0#2399B0

#2399B0 is a light, moderate teal. Relative luminance 0.263; OKLCH L 63.1% C 0.103 H 214.6°. Best body text is #000000 at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#2399B0
RGB	rgb(35, 153, 176)
HSL	hsl(190, 67%, 41%)
HSV	hsv(190, 80%, 69%)
CMYK	cmyk(80.1%, 13.1%, 0%, 31%)
CIE-LAB	lab(58.29, -23.25, -20.98)
CIE-LCH	lch(58.29, 31.31, 222.06°)
OKLab	oklab(63.12% -0.085 -0.0586)
OKLCH	oklch(63.12% 0.103 214.6)
XYZ	xyz(19.9175, 26.2719, 45.0871)
Luminance	0.2627 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2399B0 #B03A23

analogous

#23B081 #2399B0 #2353B0

triadic

#2399B0 #B02399 #99B023

tetradic

#2399B0 #8123B0 #B03A23 #53B023

square

#2399B0 #8123B0 #B03A23 #53B023

split-complementary

#2399B0 #B02353 #B08123

monochromatic

#0F404A #196D7D #2399B0 #39BED8 #6CCEE2

Accessibility & contrast

On white

3.36

#2399B0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.25

#2399B0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2399B0

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2399B0	#FFFFFF	#000000	##000000
##2399B0	1.00	3.36	6.25	6.25
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.25	21.00	1.00	1.00
##000000	6.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8994B1

Deuteranopia (green-blind)

#7686B0

Tritanopia (blue-blind)

#00A2A0

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #2399b0;
/* rgb */ color: rgb(35, 153, 176);
/* oklch */ color: oklch(63.1% 0.103 214.6);

Tailwind

colors: {
  custom: {
    50: '#77b7c7',
    500: '#2399b0',
    950: '#000000',
  },
}

SCSS

$custom: #2399b0;
$custom-light: #77b7c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2399b0",
  "rgb": {
    "r": 35,
    "g": 153,
    "b": 176
  },
  "hsl": {
    "h": 189.787,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.63123,
    "c": 0.10322,
    "h": 214.6
  },
  "luminance": 0.26274
}

Semantic roles & 50–950 ramp

primary

#2399B0

secondary

#C87767

accent

#5A3EEA

background

#F7FBFC

surface

#EEF6F8

border

#C9D0D1

text

#0A1113

muted

#7C8082

Preview Lab

Preview with #2399B0

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

Preview Lab → · Contrast checker → · Palette generator →