#2399A4#2399A4

#2399A4 is a light, moderate teal. Relative luminance 0.258; OKLCH L 62.6% C 0.099 H 204.6°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#2399A4
RGB	rgb(35, 153, 164)
HSL	hsl(185, 65%, 39%)
HSV	hsv(185, 79%, 64%)
CMYK	cmyk(78.7%, 6.7%, 0%, 35.7%)
CIE-LAB	lab(57.86, -27.15, -14.82)
CIE-LCH	lch(57.86, 30.93, 208.63°)
OKLab	oklab(62.63% -0.0901 -0.0412)
OKLCH	oklch(62.63% 0.099 204.6)
XYZ	xyz(18.7822, 25.8178, 39.1082)
Luminance	0.2582 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2399A4 #A42E23

analogous

#23A46F #2399A4 #2359A4

triadic

#2399A4 #A42399 #99A423

tetradic

#2399A4 #6F23A4 #A42E23 #59A423

square

#2399A4 #6F23A4 #A42E23 #59A423

split-complementary

#2399A4 #A42359 #A46F23

monochromatic

#0D3B3F #186A72 #2399A4 #31C5D3 #64D3DE

Accessibility & contrast

On white

3.41

#2399A4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.16

#2399A4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2399A4

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2399A4	#FFFFFF	#000000	##000000
##2399A4	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)

#8C92A5

Deuteranopia (green-blind)

#7A86A4

Tritanopia (blue-blind)

#00A09C

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #2399a4;
/* rgb */ color: rgb(35, 153, 164);
/* oklch */ color: oklch(62.6% 0.099 204.6);

Tailwind

colors: {
  custom: {
    50: '#75b7bf',
    500: '#2399a4',
    950: '#000000',
  },
}

SCSS

$custom: #2399a4;
$custom-light: #75b7bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2399a4",
  "rgb": {
    "r": 35,
    "g": 153,
    "b": 164
  },
  "hsl": {
    "h": 185.116,
    "s": 64.824,
    "l": 39.02
  },
  "oklch": {
    "l": 0.62633,
    "c": 0.09905,
    "h": 204.6
  },
  "luminance": 0.2582
}

Semantic roles & 50–950 ramp

primary

#2399A4

secondary

#C36860

accent

#4E40E8

background

#F7FBFB

surface

#EEF6F6

border

#C9D0D0

text

#0A1112

muted

#7C8081

Preview Lab

Preview with #2399A4

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

Preview Lab → · Contrast checker → · Palette generator →