#2399A9#2399A9

#2399A9 is a light, moderate teal. Relative luminance 0.260; OKLCH L 62.8% C 0.100 H 208.9°. Best body text is #000000 at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#2399A9
RGB	rgb(35, 153, 169)
HSL	hsl(187, 66%, 40%)
HSV	hsv(187, 79%, 66%)
CMYK	cmyk(79.3%, 9.5%, 0%, 33.7%)
CIE-LAB	lab(58.04, -25.54, -17.39)
CIE-LCH	lch(58.04, 30.90, 214.26°)
OKLab	oklab(62.83% -0.0879 -0.0484)
OKLCH	oklch(62.83% 0.1 208.9)
XYZ	xyz(19.2427, 26.0020, 41.5331)
Luminance	0.2600 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2399A9 #A93323

analogous

#23A976 #2399A9 #2356A9

triadic

#2399A9 #A92399 #99A923

tetradic

#2399A9 #7623A9 #A93323 #56A923

square

#2399A9 #7623A9 #A93323 #56A923

split-complementary

#2399A9 #A92356 #A97623

monochromatic

#0E3D44 #196B76 #2399A9 #34C2D5 #67D1DF

Accessibility & contrast

On white

3.39

#2399A9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.20

#2399A9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2399A9

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2399A9	#FFFFFF	#000000	##000000
##2399A9	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)

#8B93AA

Deuteranopia (green-blind)

#7986A9

Tritanopia (blue-blind)

#00A09E

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #2399a9;
/* rgb */ color: rgb(35, 153, 169);
/* oklch */ color: oklch(62.8% 0.100 208.9);

Tailwind

colors: {
  custom: {
    50: '#76b7c2',
    500: '#2399a9',
    950: '#000000',
  },
}

SCSS

$custom: #2399a9;
$custom-light: #76b7c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2399a9",
  "rgb": {
    "r": 35,
    "g": 153,
    "b": 169
  },
  "hsl": {
    "h": 187.164,
    "s": 65.686,
    "l": 40
  },
  "oklch": {
    "l": 0.62833,
    "c": 0.10037,
    "h": 208.9
  },
  "luminance": 0.26004
}

Semantic roles & 50–950 ramp

primary

#2399A9

secondary

#C56E63

accent

#533FE9

background

#F7FBFB

surface

#EEF6F7

border

#C9D0D0

text

#0A1112

muted

#7C8081

Preview Lab

Preview with #2399A9

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

Preview Lab → · Contrast checker → · Palette generator →