#42999B#42999B

#42999B is a light, moderate teal. Relative luminance 0.263; OKLCH L 63.1% C 0.083 H 197.3°. Best body text is #000000 at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#42999B
RGB	rgb(66, 153, 155)
HSL	hsl(181, 40%, 43%)
HSV	hsv(181, 57%, 61%)
CMYK	cmyk(57.4%, 1.3%, 0%, 39.2%)
CIE-LAB	lab(58.33, -25.21, -8.92)
CIE-LCH	lch(58.33, 26.74, 199.49°)
OKLab	oklab(63.12% -0.0791 -0.0247)
OKLCH	oklch(63.12% 0.083 197.3)
XYZ	xyz(19.5519, 26.3053, 35.0510)
Luminance	0.2631 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42999B #9B4442

analogous

#429B70 #42999B #426C9B

triadic

#42999B #9B4299 #999B42

tetradic

#42999B #70429B #9B4442 #6C9B42

square

#42999B #70429B #9B4442 #6C9B42

split-complementary

#42999B #9B426C #9B7042

monochromatic

#1D4445 #306F70 #42999B #5FB9BB #8ACCCD

Accessibility & contrast

On white

3.35

#42999B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.26

#42999B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42999B

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42999B	#FFFFFF	#000000	##000000
##42999B	1.00	3.35	6.26	6.26
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.26	21.00	1.00	1.00
##000000	6.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F929B

Deuteranopia (green-blind)

#81889C

Tritanopia (blue-blind)

#009E99

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #42999b;
/* rgb */ color: rgb(66, 153, 155);
/* oklch */ color: oklch(63.1% 0.083 197.3);

Tailwind

colors: {
  custom: {
    50: '#80b7b8',
    500: '#42999b',
    950: '#000000',
  },
}

SCSS

$custom: #42999b;
$custom-light: #80b7b8;
$custom-dark: #000000;

JSON

{
  "hex": "#42999b",
  "rgb": {
    "r": 66,
    "g": 153,
    "b": 155
  },
  "hsl": {
    "h": 181.348,
    "s": 40.271,
    "l": 43.333
  },
  "oklch": {
    "l": 0.63124,
    "c": 0.08288,
    "h": 197.3
  },
  "luminance": 0.26307
}

Semantic roles & 50–950 ramp

primary

#42999B

secondary

#B88281

accent

#5A58D0

background

#F8FBFB

surface

#EFF6F6

border

#CAD0D0

text

#0B1111

muted

#7C8080

Preview Lab

Preview with #42999B

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

Preview Lab → · Contrast checker → · Palette generator →