#40A5BC#40A5BC

#40A5BC is a light, moderate cyan. Relative luminance 0.316; OKLCH L 67.3% C 0.098 H 215.6°. Best body text is #000000 at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#40A5BC
RGB	rgb(64, 165, 188)
HSL	hsl(191, 49%, 49%)
HSV	hsv(191, 66%, 74%)
CMYK	cmyk(66%, 12.2%, 0%, 26.3%)
CIE-LAB	lab(63.03, -21.84, -20.44)
CIE-LCH	lch(63.03, 29.91, 223.10°)
OKLab	oklab(67.27% -0.0794 -0.0569)
OKLCH	oklch(67.27% 0.098 215.6)
XYZ	xyz(24.6428, 31.6284, 52.3734)
Luminance	0.3163 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A5BC #BC5740

analogous

#40BC95 #40A5BC #4067BC

triadic

#40A5BC #BC40A5 #A5BC40

tetradic

#40A5BC #9540BC #BC5740 #67BC40

square

#40A5BC #9540BC #BC5740 #67BC40

split-complementary

#40A5BC #BC4067 #BC9540

monochromatic

#215561 #307D8E #40A5BC #6CBBCD #9AD0DD

Accessibility & contrast

On white

2.87

#40A5BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.33

#40A5BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A5BC

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A5BC	#FFFFFF	#000000	##000000
##40A5BC	1.00	2.87	7.33	7.33
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.33	21.00	1.00	1.00
##000000	7.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95A0BD

Deuteranopia (green-blind)

#8393BC

Tritanopia (blue-blind)

#00ADAC

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #40a5bc;
/* rgb */ color: rgb(64, 165, 188);
/* oklch */ color: oklch(67.3% 0.098 215.6);

Tailwind

colors: {
  custom: {
    50: '#83c0d0',
    500: '#40a5bc',
    950: '#000000',
  },
}

SCSS

$custom: #40a5bc;
$custom-light: #83c0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#40a5bc",
  "rgb": {
    "r": 64,
    "g": 165,
    "b": 188
  },
  "hsl": {
    "h": 191.129,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.67269,
    "c": 0.09764,
    "h": 215.6
  },
  "luminance": 0.31631
}

Semantic roles & 50–950 ramp

primary

#40A5BC

secondary

#C99A8F

accent

#694FD9

background

#F8FBFC

surface

#F0F7F9

border

#CBD0D2

text

#0C1214

muted

#7D8182

Preview Lab

Preview with #40A5BC

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

Preview Lab → · Contrast checker → · Palette generator →