#2399A5#2399A5

#2399A5 is a light, moderate teal. Relative luminance 0.259; OKLCH L 62.7% C 0.099 H 205.4°. Best body text is #000000 at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#2399A5
RGB	rgb(35, 153, 165)
HSL	hsl(186, 65%, 39%)
HSV	hsv(186, 79%, 65%)
CMYK	cmyk(78.8%, 7.3%, 0%, 35.3%)
CIE-LAB	lab(57.90, -26.83, -15.33)
CIE-LCH	lch(57.90, 30.90, 209.75°)
OKLab	oklab(62.67% -0.0896 -0.0426)
OKLCH	oklch(62.67% 0.099 205.4)
XYZ	xyz(18.8729, 25.8541, 39.5857)
Luminance	0.2586 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2399A5 #A52F23

analogous

#23A570 #2399A5 #2358A5

triadic

#2399A5 #A52399 #99A523

tetradic

#2399A5 #7023A5 #A52F23 #58A523

square

#2399A5 #7023A5 #A52F23 #58A523

split-complementary

#2399A5 #A52358 #A57023

monochromatic

#0E3B40 #186A73 #2399A5 #32C5D3 #64D3DE

Accessibility & contrast

On white

3.40

#2399A5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.17

#2399A5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2399A5

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2399A5	#FFFFFF	#000000	##000000
##2399A5	1.00	3.40	6.17	6.17
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.17	21.00	1.00	1.00
##000000	6.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C93A6

Deuteranopia (green-blind)

#7A86A5

Tritanopia (blue-blind)

#00A09C

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #2399a5;
/* rgb */ color: rgb(35, 153, 165);
/* oklch */ color: oklch(62.7% 0.099 205.4);

Tailwind

colors: {
  custom: {
    50: '#75b7bf',
    500: '#2399a5',
    950: '#000000',
  },
}

SCSS

$custom: #2399a5;
$custom-light: #75b7bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2399a5",
  "rgb": {
    "r": 35,
    "g": 153,
    "b": 165
  },
  "hsl": {
    "h": 185.538,
    "s": 65,
    "l": 39.216
  },
  "oklch": {
    "l": 0.62672,
    "c": 0.09926,
    "h": 205.4
  },
  "luminance": 0.25856
}

Semantic roles & 50–950 ramp

primary

#2399A5

secondary

#C46960

accent

#4F40E8

background

#F7FBFB

surface

#EEF6F7

border

#C9D0D0

text

#0A1112

muted

#7C8081

Preview Lab

Preview with #2399A5

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

Preview Lab → · Contrast checker → · Palette generator →