#40A1CB#40A1CB

#40A1CB is a light, moderate cyan. Relative luminance 0.309; OKLCH L 67.0% C 0.109 H 230.2°. Best body text is #000000 at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#40A1CB
RGB	rgb(64, 161, 203)
HSL	hsl(198, 57%, 52%)
HSV	hsv(198, 68%, 80%)
CMYK	cmyk(68.5%, 20.7%, 0%, 20.4%)
CIE-LAB	lab(62.41, -14.94, -29.77)
CIE-LCH	lch(62.41, 33.31, 243.34°)
OKLab	oklab(66.96% -0.0696 -0.0834)
OKLCH	oklch(66.96% 0.109 230.2)
XYZ	xyz(25.6344, 30.8887, 61.0995)
Luminance	0.3089 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A1CB #CB6A40

analogous

#40CBAF #40A1CB #405CCB

triadic

#40A1CB #CB40A1 #A1CB40

tetradic

#40A1CB #AF40CB #CB6A40 #5CCB40

square

#40A1CB #AF40CB #CB6A40 #5CCB40

split-complementary

#40A1CB #CB405C #CBAF40

monochromatic

#1F5972 #2C7EA2 #40A1CB #70B9D8 #A0D0E5

Accessibility & contrast

On white

2.93

#40A1CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.18

#40A1CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A1CB

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A1CB	#FFFFFF	#000000	##000000
##40A1CB	1.00	2.93	7.18	7.18
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.18	21.00	1.00	1.00
##000000	7.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C9FCD

Deuteranopia (green-blind)

#7891CA

Tritanopia (blue-blind)

#00ADAF

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #40a1cb;
/* rgb */ color: rgb(64, 161, 203);
/* oklch */ color: oklch(67.0% 0.109 230.2);

Tailwind

colors: {
  custom: {
    50: '#85bcdb',
    500: '#40a1cb',
    950: '#000000',
  },
}

SCSS

$custom: #40a1cb;
$custom-light: #85bcdb;
$custom-dark: #000000;

JSON

{
  "hex": "#40a1cb",
  "rgb": {
    "r": 64,
    "g": 161,
    "b": 203
  },
  "hsl": {
    "h": 198.129,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.66961,
    "c": 0.10864,
    "h": 230.2
  },
  "luminance": 0.30892
}

Semantic roles & 50–950 ramp

primary

#40A1CB

secondary

#D2A795

accent

#7647E0

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #40A1CB

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

Preview Lab → · Contrast checker → · Palette generator →