#2399A8#2399A8

#2399A8 is a light, moderate teal. Relative luminance 0.260; OKLCH L 62.8% C 0.100 H 208.0°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#2399A8
RGB	rgb(35, 153, 168)
HSL	hsl(187, 66%, 40%)
HSV	hsv(187, 79%, 66%)
CMYK	cmyk(79.2%, 8.9%, 0%, 34.1%)
CIE-LAB	lab(58.00, -25.86, -16.88)
CIE-LCH	lch(58.00, 30.88, 213.13°)
OKLab	oklab(62.79% -0.0883 -0.047)
OKLCH	oklch(62.79% 0.1 208)
XYZ	xyz(19.1491, 25.9646, 41.0406)
Luminance	0.2597 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2399A8 #A83223

analogous

#23A875 #2399A8 #2357A8

triadic

#2399A8 #A82399 #99A823

tetradic

#2399A8 #7523A8 #A83223 #57A823

square

#2399A8 #7523A8 #A83223 #57A823

split-complementary

#2399A8 #A82357 #A87523

monochromatic

#0E3D43 #186B75 #2399A8 #34C2D5 #66D2DF

Accessibility & contrast

On white

3.39

#2399A8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#2399A8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2399A8

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2399A8	#FFFFFF	#000000	##000000
##2399A8	1.00	3.39	6.19	6.19
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.19	21.00	1.00	1.00
##000000	6.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B93A9

Deuteranopia (green-blind)

#7986A8

Tritanopia (blue-blind)

#00A09D

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #2399a8;
/* rgb */ color: rgb(35, 153, 168);
/* oklch */ color: oklch(62.8% 0.100 208.0);

Tailwind

colors: {
  custom: {
    50: '#76b7c1',
    500: '#2399a8',
    950: '#000000',
  },
}

SCSS

$custom: #2399a8;
$custom-light: #76b7c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2399a8",
  "rgb": {
    "r": 35,
    "g": 153,
    "b": 168
  },
  "hsl": {
    "h": 186.767,
    "s": 65.517,
    "l": 39.804
  },
  "oklch": {
    "l": 0.62792,
    "c": 0.10006,
    "h": 208
  },
  "luminance": 0.25967
}

Semantic roles & 50–950 ramp

primary

#2399A8

secondary

#C56D62

accent

#523FE8

background

#F7FBFB

surface

#EEF6F7

border

#C9D0D0

text

#0A1112

muted

#7C8081

Preview Lab

Preview with #2399A8

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

Preview Lab → · Contrast checker → · Palette generator →