#40A3CE#40A3CE

#40A3CE is a light, moderate cyan. Relative luminance 0.317; OKLCH L 67.6% C 0.110 H 230.4°. Best body text is #000000 at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#40A3CE
RGB	rgb(64, 163, 206)
HSL	hsl(198, 59%, 53%)
HSV	hsv(198, 69%, 81%)
CMYK	cmyk(68.9%, 20.9%, 0%, 19.2%)
CIE-LAB	lab(63.13, -15.04, -30.34)
CIE-LCH	lch(63.13, 33.86, 243.63°)
OKLab	oklab(67.57% -0.0705 -0.0851)
OKLCH	oklch(67.57% 0.11 230.4)
XYZ	xyz(26.3477, 31.7377, 63.1180)
Luminance	0.3174 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A3CE #CE6B40

analogous

#40CEB2 #40A3CE #405CCE

triadic

#40A3CE #CE40A3 #A3CE40

tetradic

#40A3CE #B240CE #CE6B40 #5CCE40

square

#40A3CE #B240CE #CE6B40 #5CCE40

split-complementary

#40A3CE #CE405C #CEB240

monochromatic

#1E5B75 #2B81A6 #40A3CE #71BADA #A1D2E7

Accessibility & contrast

On white

2.86

#40A3CE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.35

#40A3CE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A3CE

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A3CE	#FFFFFF	#000000	##000000
##40A3CE	1.00	2.86	7.35	7.35
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.35	21.00	1.00	1.00
##000000	7.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8DA1D0

Deuteranopia (green-blind)

#7A93CD

Tritanopia (blue-blind)

#00AFB1

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #40a3ce;
/* rgb */ color: rgb(64, 163, 206);
/* oklch */ color: oklch(67.6% 0.110 230.4);

Tailwind

colors: {
  custom: {
    50: '#85bedd',
    500: '#40a3ce',
    950: '#000000',
  },
}

SCSS

$custom: #40a3ce;
$custom-light: #85bedd;
$custom-dark: #000000;

JSON

{
  "hex": "#40a3ce",
  "rgb": {
    "r": 64,
    "g": 163,
    "b": 206
  },
  "hsl": {
    "h": 198.169,
    "s": 59.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.67569,
    "c": 0.11049,
    "h": 230.4
  },
  "luminance": 0.31741
}

Semantic roles & 50–950 ramp

primary

#40A3CE

secondary

#D4A996

accent

#7545E2

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #40A3CE

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

Preview Lab → · Contrast checker → · Palette generator →