#40B0CE#40B0CE

#40B0CE is a light, moderate cyan. Relative luminance 0.366; OKLCH L 70.6% C 0.108 H 219.2°. Best body text is #000000 at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#40B0CE
RGB	rgb(64, 176, 206)
HSL	hsl(193, 59%, 53%)
HSV	hsv(193, 69%, 81%)
CMYK	cmyk(68.9%, 14.6%, 0%, 19.2%)
CIE-LAB	lab(66.97, -21.90, -24.42)
CIE-LCH	lch(66.97, 32.80, 228.12°)
OKLab	oklab(70.65% -0.0835 -0.0681)
OKLCH	oklch(70.65% 0.108 219.2)
XYZ	xyz(28.7757, 36.5936, 63.9273)
Luminance	0.3660 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B0CE #CE5E40

analogous

#40CEA5 #40B0CE #4069CE

triadic

#40B0CE #CE40B0 #B0CE40

tetradic

#40B0CE #A540CE #CE5E40 #69CE40

square

#40B0CE #A540CE #CE5E40 #69CE40

split-complementary

#40B0CE #CE4069 #CEA540

monochromatic

#1E6375 #2B8CA6 #40B0CE #71C4DA #A1D8E7

Accessibility & contrast

On white

2.52

#40B0CE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.32

#40B0CE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B0CE

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B0CE	#FFFFFF	#000000	##000000
##40B0CE	1.00	2.52	8.32	8.32
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.32	21.00	1.00	1.00
##000000	8.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DABD0

Deuteranopia (green-blind)

#899DCE

Tritanopia (blue-blind)

#00BAB9

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #40b0ce;
/* rgb */ color: rgb(64, 176, 206);
/* oklch */ color: oklch(70.6% 0.108 219.2);

Tailwind

colors: {
  custom: {
    50: '#86c7dd',
    500: '#40b0ce',
    950: '#000000',
  },
}

SCSS

$custom: #40b0ce;
$custom-light: #86c7dd;
$custom-dark: #000000;

JSON

{
  "hex": "#40b0ce",
  "rgb": {
    "r": 64,
    "g": 176,
    "b": 206
  },
  "hsl": {
    "h": 192.676,
    "s": 59.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.70646,
    "c": 0.10779,
    "h": 219.2
  },
  "luminance": 0.36597
}

Semantic roles & 50–950 ramp

primary

#40B0CE

secondary

#D4A396

accent

#6745E2

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1315

muted

#7D8283

Preview Lab

Preview with #40B0CE

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

Preview Lab → · Contrast checker → · Palette generator →