#40979B#40979B

#40979B is a light, moderate teal. Relative luminance 0.256; OKLCH L 62.6% C 0.083 H 199.4°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#40979B
RGB	rgb(64, 151, 155)
HSL	hsl(183, 42%, 43%)
HSV	hsv(183, 59%, 61%)
CMYK	cmyk(58.7%, 2.6%, 0%, 39.2%)
CIE-LAB	lab(57.64, -24.59, -9.95)
CIE-LCH	lch(57.64, 26.53, 202.03°)
OKLab	oklab(62.56% -0.0781 -0.0275)
OKLCH	oklch(62.56% 0.083 199.4)
XYZ	xyz(19.0949, 25.5878, 34.9366)
Luminance	0.2559 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40979B #9B4440

analogous

#409B71 #40979B #406A9B

triadic

#40979B #9B4097 #979B40

tetradic

#40979B #71409B #9B4440 #6A9B40

square

#40979B #71409B #9B4440 #6A9B40

split-complementary

#40979B #9B406A #9B7140

monochromatic

#1C4344 #2E6D70 #40979B #5CB8BC #88CBCE

Accessibility & contrast

On white

3.43

#40979B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.12

#40979B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #40979B

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40979B	#FFFFFF	#000000	##000000
##40979B	1.00	3.43	6.12	6.12
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.12	21.00	1.00	1.00
##000000	6.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D919B

Deuteranopia (green-blind)

#7F869C

Tritanopia (blue-blind)

#009C98

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #40979b;
/* rgb */ color: rgb(64, 151, 155);
/* oklch */ color: oklch(62.6% 0.083 199.4);

Tailwind

colors: {
  custom: {
    50: '#7fb6b8',
    500: '#40979b',
    950: '#000000',
  },
}

SCSS

$custom: #40979b;
$custom-light: #7fb6b8;
$custom-dark: #000000;

JSON

{
  "hex": "#40979b",
  "rgb": {
    "r": 64,
    "g": 151,
    "b": 155
  },
  "hsl": {
    "h": 182.637,
    "s": 41.553,
    "l": 42.941
  },
  "oklch": {
    "l": 0.62555,
    "c": 0.08282,
    "h": 199.4
  },
  "luminance": 0.2559
}

Semantic roles & 50–950 ramp

primary

#40979B

secondary

#B8817E

accent

#5C56D1

background

#F8FBFB

surface

#EFF6F6

border

#CAD0D0

text

#0B1111

muted

#7C8080

Preview Lab

Preview with #40979B

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

Preview Lab → · Contrast checker → · Palette generator →