#2399A3#2399A3

#2399A3 is a light, moderate teal. Relative luminance 0.258; OKLCH L 62.6% C 0.099 H 203.7°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#2399A3
RGB	rgb(35, 153, 163)
HSL	hsl(185, 65%, 39%)
HSV	hsv(185, 79%, 64%)
CMYK	cmyk(78.5%, 6.1%, 0%, 36.1%)
CIE-LAB	lab(57.83, -27.46, -14.30)
CIE-LCH	lch(57.83, 30.96, 207.50°)
OKLab	oklab(62.59% -0.0905 -0.0398)
OKLCH	oklch(62.59% 0.099 203.7)
XYZ	xyz(18.6923, 25.7818, 38.6345)
Luminance	0.2578 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2399A3 #A32D23

analogous

#23A36D #2399A3 #2359A3

triadic

#2399A3 #A32399 #99A323

tetradic

#2399A3 #6D23A3 #A32D23 #59A323

square

#2399A3 #6D23A3 #A32D23 #59A323

split-complementary

#2399A3 #A32359 #A36D23

monochromatic

#0D3A3E #186A71 #2399A3 #31C6D3 #63D4DD

Accessibility & contrast

On white

3.41

#2399A3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.16

#2399A3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2399A3

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2399A3	#FFFFFF	#000000	##000000
##2399A3	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)

#8C92A4

Deuteranopia (green-blind)

#7B85A3

Tritanopia (blue-blind)

#00A09C

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #2399a3;
/* rgb */ color: rgb(35, 153, 163);
/* oklch */ color: oklch(62.6% 0.099 203.7);

Tailwind

colors: {
  custom: {
    50: '#75b7be',
    500: '#2399a3',
    950: '#000000',
  },
}

SCSS

$custom: #2399a3;
$custom-light: #75b7be;
$custom-dark: #000000;

JSON

{
  "hex": "#2399a3",
  "rgb": {
    "r": 35,
    "g": 153,
    "b": 163
  },
  "hsl": {
    "h": 184.688,
    "s": 64.646,
    "l": 38.824
  },
  "oklch": {
    "l": 0.62594,
    "c": 0.09885,
    "h": 203.7
  },
  "luminance": 0.25784
}

Semantic roles & 50–950 ramp

primary

#2399A3

secondary

#C3675F

accent

#4D40E8

background

#F7FBFB

surface

#EEF6F6

border

#C9D0D0

text

#0A1112

muted

#7C8081

Preview Lab

Preview with #2399A3

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

Preview Lab → · Contrast checker → · Palette generator →