#40B1CE#40B1CE

#40B1CE is a light, moderate cyan. Relative luminance 0.370; OKLCH L 70.9% C 0.108 H 218.3°. Best body text is #000000 at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#40B1CE
RGB	rgb(64, 177, 206)
HSL	hsl(192, 59%, 53%)
HSV	hsv(192, 69%, 81%)
CMYK	cmyk(68.9%, 14.1%, 0%, 19.2%)
CIE-LAB	lab(67.27, -22.41, -23.96)
CIE-LCH	lch(67.27, 32.81, 226.92°)
OKLab	oklab(70.88% -0.0846 -0.0668)
OKLCH	oklch(70.88% 0.108 218.3)
XYZ	xyz(28.9725, 36.9872, 63.9929)
Luminance	0.3699 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B1CE #CE5D40

analogous

#40CEA4 #40B1CE #406ACE

triadic

#40B1CE #CE40B1 #B1CE40

tetradic

#40B1CE #A440CE #CE5D40 #6ACE40

square

#40B1CE #A440CE #CE5D40 #6ACE40

split-complementary

#40B1CE #CE406A #CEA440

monochromatic

#1E6475 #2B8DA6 #40B1CE #71C5DA #A1D9E7

Accessibility & contrast

On white

2.50

#40B1CE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.40

#40B1CE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B1CE

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B1CE	#FFFFFF	#000000	##000000
##40B1CE	1.00	2.50	8.40	8.40
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.40	21.00	1.00	1.00
##000000	8.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EACD0

Deuteranopia (green-blind)

#8B9DCE

Tritanopia (blue-blind)

#00BBBA

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #40b1ce;
/* rgb */ color: rgb(64, 177, 206);
/* oklch */ color: oklch(70.9% 0.108 218.3);

Tailwind

colors: {
  custom: {
    50: '#86c8dd',
    500: '#40b1ce',
    950: '#000000',
  },
}

SCSS

$custom: #40b1ce;
$custom-light: #86c8dd;
$custom-dark: #000000;

JSON

{
  "hex": "#40b1ce",
  "rgb": {
    "r": 64,
    "g": 177,
    "b": 206
  },
  "hsl": {
    "h": 192.254,
    "s": 59.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.70884,
    "c": 0.10777,
    "h": 218.3
  },
  "luminance": 0.36991
}

Semantic roles & 50–950 ramp

primary

#40B1CE

secondary

#D4A396

accent

#6545E2

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1315

muted

#7D8283

Preview Lab

Preview with #40B1CE

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

Preview Lab → · Contrast checker → · Palette generator →