#40A4CC#40A4CC

#40A4CC is a light, moderate cyan. Relative luminance 0.320; OKLCH L 67.7% C 0.108 H 228.3°. Best body text is #000000 at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#40A4CC
RGB	rgb(64, 164, 204)
HSL	hsl(197, 58%, 53%)
HSV	hsv(197, 69%, 80%)
CMYK	cmyk(68.6%, 19.6%, 0%, 20%)
CIE-LAB	lab(63.34, -16.23, -28.89)
CIE-LCH	lch(63.34, 33.14, 240.67°)
OKLab	oklab(67.71% -0.0722 -0.0809)
OKLCH	oklch(67.71% 0.108 228.3)
XYZ	xyz(26.2845, 31.9976, 61.9059)
Luminance	0.3200 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A4CC #CC6840

analogous

#40CCAE #40A4CC #405ECC

triadic

#40A4CC #CC40A4 #A4CC40

tetradic

#40A4CC #AE40CC #CC6840 #5ECC40

square

#40A4CC #AE40CC #CC6840 #5ECC40

split-complementary

#40A4CC #CC405E #CCAE40

monochromatic

#1F5B73 #2C81A3 #40A4CC #70BBD9 #A1D2E6

Accessibility & contrast

On white

2.84

#40A4CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.40

#40A4CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A4CC

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A4CC	#FFFFFF	#000000	##000000
##40A4CC	1.00	2.84	7.40	7.40
#FFFFFF	2.84	1.00	21.00	21.00
#000000	7.40	21.00	1.00	1.00
##000000	7.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8FA1CE

Deuteranopia (green-blind)

#7C93CB

Tritanopia (blue-blind)

#00AFB1

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #40a4cc;
/* rgb */ color: rgb(64, 164, 204);
/* oklch */ color: oklch(67.7% 0.108 228.3);

Tailwind

colors: {
  custom: {
    50: '#85bfdb',
    500: '#40a4cc',
    950: '#000000',
  },
}

SCSS

$custom: #40a4cc;
$custom-light: #85bfdb;
$custom-dark: #000000;

JSON

{
  "hex": "#40a4cc",
  "rgb": {
    "r": 64,
    "g": 164,
    "b": 204
  },
  "hsl": {
    "h": 197.143,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.67714,
    "c": 0.10846,
    "h": 228.3
  },
  "luminance": 0.32001
}

Semantic roles & 50–950 ramp

primary

#40A4CC

secondary

#D2A795

accent

#7347E1

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #40A4CC

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

Preview Lab → · Contrast checker → · Palette generator →