#40978B#40978B

#40978B is a light, moderate teal. Relative luminance 0.251; OKLCH L 62.0% C 0.086 H 183.1°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#40978B
RGB	rgb(64, 151, 139)
HSL	hsl(172, 40%, 42%)
HSV	hsv(172, 58%, 59%)
CMYK	cmyk(57.6%, 0%, 7.9%, 40.8%)
CIE-LAB	lab(57.16, -29.07, -1.53)
CIE-LCH	lch(57.16, 29.11, 183.02°)
OKLab	oklab(62% -0.0854 -0.0046)
OKLCH	oklch(62% 0.086 183.1)
XYZ	xyz(17.8391, 25.0855, 28.3230)
Luminance	0.2509 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40978B #97404C

analogous

#409760 #40978B #407897

triadic

#40978B #8B4097 #978B40

tetradic

#40978B #604097 #97404C #789740

square

#40978B #604097 #97404C #789740

split-complementary

#40978B #974078 #976040

monochromatic

#1C413C #2E6C63 #40978B #5BB9AC #86CCC2

Accessibility & contrast

On white

3.49

#40978B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.02

#40978B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #40978B

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40978B	#FFFFFF	#000000	##000000
##40978B	1.00	3.49	6.02	6.02
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.02	21.00	1.00	1.00
##000000	6.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#908F8B

Deuteranopia (green-blind)

#83858C

Tritanopia (blue-blind)

#009A93

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #40978b;
/* rgb */ color: rgb(64, 151, 139);
/* oklch */ color: oklch(62.0% 0.086 183.1);

Tailwind

colors: {
  custom: {
    50: '#7eb6ac',
    500: '#40978b',
    950: '#000000',
  },
}

SCSS

$custom: #40978b;
$custom-light: #7eb6ac;
$custom-dark: #000000;

JSON

{
  "hex": "#40978b",
  "rgb": {
    "r": 64,
    "g": 151,
    "b": 139
  },
  "hsl": {
    "h": 171.724,
    "s": 40.465,
    "l": 42.157
  },
  "oklch": {
    "l": 0.62002,
    "c": 0.0855,
    "h": 183.1
  },
  "luminance": 0.25087
}

Semantic roles & 50–950 ramp

primary

#40978B

secondary

#B67D85

accent

#5768D0

background

#F8FBFA

surface

#EFF6F4

border

#CAD0CE

text

#0A1110

muted

#7C807F

Preview Lab

Preview with #40978B

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

Preview Lab → · Contrast checker → · Palette generator →