#40A2F9#40A2F9

#40A2F9 is a light, vivid cyan. Relative luminance 0.338; OKLCH L 69.5% C 0.157 H 249.0°. Best body text is #000000 at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#40A2F9
RGB	rgb(64, 162, 249)
HSL	hsl(208, 94%, 61%)
HSV	hsv(208, 74%, 98%)
CMYK	cmyk(74.3%, 34.9%, 0%, 2.4%)
CIE-LAB	lab(64.78, 0.12, -51.46)
CIE-LCH	lch(64.78, 51.46, 270.13°)
OKLab	oklab(69.51% -0.0563 -0.1464)
OKLCH	oklch(69.51% 0.157 249)
XYZ	xyz(32.1271, 33.7665, 94.4285)
Luminance	0.3377 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A2F9 #F99740

analogous

#40F9F3 #40A2F9 #4046F9

triadic

#40A2F9 #F940A2 #A2F940

tetradic

#40A2F9 #F340F9 #F99740 #46F940

square

#40A2F9 #F340F9 #F99740 #46F940

split-complementary

#40A2F9 #F94046 #F9F340

monochromatic

#0665B9 #0885F4 #40A2F9 #7BBFFB #B7DCFD

Accessibility & contrast

On white

2.71

#40A2F9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.75

#40A2F9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A2F9

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A2F9	#FFFFFF	#000000	##000000
##40A2F9	1.00	2.71	7.75	7.75
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.75	21.00	1.00	1.00
##000000	7.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7AA7FD

Deuteranopia (green-blind)

#5F95F7

Tritanopia (blue-blind)

#00B7C2

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #40a2f9;
/* rgb */ color: rgb(64, 162, 249);
/* oklch */ color: oklch(69.5% 0.157 249.0);

Tailwind

colors: {
  custom: {
    50: '#8cbdfb',
    500: '#40a2f9',
    950: '#000000',
  },
}

SCSS

$custom: #40a2f9;
$custom-light: #8cbdfb;
$custom-dark: #000000;

JSON

{
  "hex": "#40a2f9",
  "rgb": {
    "r": 64,
    "g": 162,
    "b": 249
  },
  "hsl": {
    "h": 208.216,
    "s": 93.909,
    "l": 61.373
  },
  "oklch": {
    "l": 0.69513,
    "c": 0.15683,
    "h": 249
  },
  "luminance": 0.3377
}

Semantic roles & 50–950 ramp

primary

#40A2F9

secondary

#EDC8A8

accent

#6C00E6

background

#F9FBFF

surface

#F2F6FF

border

#CCD0D7

text

#0E1217

muted

#7E8185

Preview Lab

Preview with #40A2F9

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

Preview Lab → · Contrast checker → · Palette generator →