#40A2D9#40A2D9

#40A2D9 is a light, vivid cyan. Relative luminance 0.319; OKLCH L 67.9% C 0.121 H 237.2°. Best body text is #000000 at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#40A2D9
RGB	rgb(64, 162, 217)
HSL	hsl(202, 67%, 55%)
HSV	hsv(202, 71%, 85%)
CMYK	cmyk(70.5%, 25.3%, 0%, 14.9%)
CIE-LAB	lab(63.29, -10.85, -36.19)
CIE-LCH	lch(63.29, 37.78, 253.30°)
OKLab	oklab(67.85% -0.0657 -0.1019)
OKLCH	oklch(67.85% 0.121 237.2)
XYZ	xyz(27.5542, 31.9373, 70.3445)
Luminance	0.3194 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A2D9 #D97740

analogous

#40D9C4 #40A2D9 #4055D9

triadic

#40A2D9 #D940A2 #A2D940

tetradic

#40A2D9 #C440D9 #D97740 #55D940

square

#40A2D9 #C440D9 #D97740 #55D940

split-complementary

#40A2D9 #D94055 #D9C440

monochromatic

#1A5E84 #2483B7 #40A2D9 #73BBE3 #A6D4ED

Accessibility & contrast

On white

2.84

#40A2D9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.39

#40A2D9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A2D9

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A2D9	#FFFFFF	#000000	##000000
##40A2D9	1.00	2.84	7.39	7.39
#FFFFFF	2.84	1.00	21.00	21.00
#000000	7.39	21.00	1.00	1.00
##000000	7.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#88A1DC

Deuteranopia (green-blind)

#7393D8

Tritanopia (blue-blind)

#00B0B5

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #40a2d9;
/* rgb */ color: rgb(64, 162, 217);
/* oklch */ color: oklch(67.9% 0.121 237.2);

Tailwind

colors: {
  custom: {
    50: '#87bde5',
    500: '#40a2d9',
    950: '#000000',
  },
}

SCSS

$custom: #40a2d9;
$custom-light: #87bde5;
$custom-dark: #000000;

JSON

{
  "hex": "#40a2d9",
  "rgb": {
    "r": 64,
    "g": 162,
    "b": 217
  },
  "hsl": {
    "h": 201.569,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.67852,
    "c": 0.12129,
    "h": 237.2
  },
  "luminance": 0.3194
}

Semantic roles & 50–950 ramp

primary

#40A2D9

secondary

#DAB19A

accent

#7C3EEA

background

#F9FBFE

surface

#F1F6FC

border

#CBD0D5

text

#0D1215

muted

#7E8184

Preview Lab

Preview with #40A2D9

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

Preview Lab → · Contrast checker → · Palette generator →