#40A0CB#40A0CB

#40A0CB is a light, moderate cyan. Relative luminance 0.305; OKLCH L 66.7% C 0.109 H 231.0°. Best body text is #000000 at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#40A0CB
RGB	rgb(64, 160, 203)
HSL	hsl(199, 57%, 52%)
HSV	hsv(199, 68%, 80%)
CMYK	cmyk(68.5%, 21.2%, 0%, 20.4%)
CIE-LAB	lab(62.12, -14.40, -30.23)
CIE-LCH	lch(62.12, 33.48, 244.52°)
OKLab	oklab(66.72% -0.0685 -0.0848)
OKLCH	oklch(66.72% 0.109 231)
XYZ	xyz(25.4604, 30.5406, 61.0414)
Luminance	0.3054 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A0CB #CB6B40

analogous

#40CBB1 #40A0CB #405BCB

triadic

#40A0CB #CB40A0 #A0CB40

tetradic

#40A0CB #B140CB #CB6B40 #5BCB40

square

#40A0CB #B140CB #CB6B40 #5BCB40

split-complementary

#40A0CB #CB405B #CBB140

monochromatic

#1F5872 #2C7DA2 #40A0CB #70B8D8 #A0D0E5

Accessibility & contrast

On white

2.95

#40A0CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.11

#40A0CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A0CB

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A0CB	#FFFFFF	#000000	##000000
##40A0CB	1.00	2.95	7.11	7.11
#FFFFFF	2.95	1.00	21.00	21.00
#000000	7.11	21.00	1.00	1.00
##000000	7.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A9ECD

Deuteranopia (green-blind)

#7790CA

Tritanopia (blue-blind)

#00ACAE

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #40a0cb;
/* rgb */ color: rgb(64, 160, 203);
/* oklch */ color: oklch(66.7% 0.109 231.0);

Tailwind

colors: {
  custom: {
    50: '#85bcdb',
    500: '#40a0cb',
    950: '#000000',
  },
}

SCSS

$custom: #40a0cb;
$custom-light: #85bcdb;
$custom-dark: #000000;

JSON

{
  "hex": "#40a0cb",
  "rgb": {
    "r": 64,
    "g": 160,
    "b": 203
  },
  "hsl": {
    "h": 198.561,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.66725,
    "c": 0.10902,
    "h": 231
  },
  "luminance": 0.30543
}

Semantic roles & 50–950 ramp

primary

#40A0CB

secondary

#D2A895

accent

#7747E0

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #40A0CB

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

Preview Lab → · Contrast checker → · Palette generator →