#40A4BA#40A4BA

#40A4BA is a light, moderate cyan. Relative luminance 0.312; OKLCH L 66.9% C 0.097 H 214.9°. Best body text is #000000 at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#40A4BA
RGB	rgb(64, 164, 186)
HSL	hsl(191, 49%, 49%)
HSV	hsv(191, 66%, 73%)
CMYK	cmyk(65.6%, 11.8%, 0%, 27.1%)
CIE-LAB	lab(62.66, -21.94, -19.89)
CIE-LCH	lch(62.66, 29.61, 222.19°)
OKLab	oklab(66.95% -0.0791 -0.0553)
OKLCH	oklch(66.95% 0.097 214.9)
XYZ	xyz(24.2491, 31.1834, 51.1859)
Luminance	0.3119 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A4BA #BA5640

analogous

#40BA93 #40A4BA #4067BA

triadic

#40A4BA #BA40A4 #A4BA40

tetradic

#40A4BA #9340BA #BA5640 #67BA40

square

#40A4BA #9340BA #BA5640 #67BA40

split-complementary

#40A4BA #BA4067 #BA9340

monochromatic

#21545F #307C8C #40A4BA #6BBBCC #99D0DC

Accessibility & contrast

On white

2.90

#40A4BA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.24

#40A4BA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A4BA

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A4BA	#FFFFFF	#000000	##000000
##40A4BA	1.00	2.90	7.24	7.24
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.24	21.00	1.00	1.00
##000000	7.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#949FBB

Deuteranopia (green-blind)

#8392BA

Tritanopia (blue-blind)

#00ACAB

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #40a4ba;
/* rgb */ color: rgb(64, 164, 186);
/* oklch */ color: oklch(66.9% 0.097 214.9);

Tailwind

colors: {
  custom: {
    50: '#83bfce',
    500: '#40a4ba',
    950: '#000000',
  },
}

SCSS

$custom: #40a4ba;
$custom-light: #83bfce;
$custom-dark: #000000;

JSON

{
  "hex": "#40a4ba",
  "rgb": {
    "r": 64,
    "g": 164,
    "b": 186
  },
  "hsl": {
    "h": 190.82,
    "s": 48.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.66946,
    "c": 0.09655,
    "h": 214.9
  },
  "luminance": 0.31186
}

Semantic roles & 50–950 ramp

primary

#40A4BA

secondary

#C8998E

accent

#684FD8

background

#F8FBFC

surface

#F0F7F9

border

#CBD0D2

text

#0C1213

muted

#7D8182

Preview Lab

Preview with #40A4BA

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

Preview Lab → · Contrast checker → · Palette generator →