#23999B#23999B

#23999B is a light, moderate teal. Relative luminance 0.255; OKLCH L 62.3% C 0.098 H 196.7°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#23999B
RGB	rgb(35, 153, 155)
HSL	hsl(181, 63%, 37%)
HSV	hsv(181, 77%, 61%)
CMYK	cmyk(77.4%, 1.3%, 0%, 39.2%)
CIE-LAB	lab(57.56, -29.96, -10.14)
CIE-LCH	lch(57.56, 31.63, 198.70°)
OKLab	oklab(62.29% -0.0941 -0.0282)
OKLCH	oklch(62.29% 0.098 196.7)
XYZ	xyz(17.9980, 25.5041, 34.9782)
Luminance	0.2551 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23999B #9B2523

analogous

#239B61 #23999B #235D9B

triadic

#23999B #9B2399 #999B23

tetradic

#23999B #61239B #9B2523 #5D9B23

square

#23999B #61239B #9B2523 #5D9B23

split-complementary

#23999B #9B235D #9B6123

monochromatic

#0C3637 #186869 #23999B #2ECACD #5ED9DB

Accessibility & contrast

On white

3.44

#23999B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#23999B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #23999B

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23999B	#FFFFFF	#000000	##000000
##23999B	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E919B

Deuteranopia (green-blind)

#7D859C

Tritanopia (blue-blind)

#009E99

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #23999b;
/* rgb */ color: rgb(35, 153, 155);
/* oklch */ color: oklch(62.3% 0.098 196.7);

Tailwind

colors: {
  custom: {
    50: '#74b7b8',
    500: '#23999b',
    950: '#000000',
  },
}

SCSS

$custom: #23999b;
$custom-light: #74b7b8;
$custom-dark: #000000;

JSON

{
  "hex": "#23999b",
  "rgb": {
    "r": 35,
    "g": 153,
    "b": 155
  },
  "hsl": {
    "h": 181,
    "s": 63.158,
    "l": 37.255
  },
  "oklch": {
    "l": 0.6229,
    "c": 0.09821,
    "h": 196.7
  },
  "luminance": 0.25506
}

Semantic roles & 50–950 ramp

primary

#23999B

secondary

#BF5C5A

accent

#4442E6

background

#F7FBFB

surface

#EEF6F6

border

#C9D0D0

text

#0A1111

muted

#7C8080

Preview Lab

Preview with #23999B

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

Preview Lab → · Contrast checker → · Palette generator →