#40B7DC#40B7DC

#40B7DC is a light, moderate cyan. Relative luminance 0.401; OKLCH L 72.9% C 0.116 H 222.7°. Best body text is #000000 at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#40B7DC
RGB	rgb(64, 183, 220)
HSL	hsl(194, 69%, 56%)
HSV	hsv(194, 71%, 86%)
CMYK	cmyk(70.9%, 16.8%, 0%, 13.7%)
CIE-LAB	lab(69.56, -21.08, -28.14)
CIE-LCH	lch(69.56, 35.16, 233.16°)
OKLab	oklab(72.89% -0.0852 -0.0787)
OKLCH	oklch(72.89% 0.116 222.7)
XYZ	xyz(31.9608, 40.1206, 73.7559)
Luminance	0.4012 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B7DC #DC6540

analogous

#40DCB3 #40B7DC #4069DC

triadic

#40B7DC #DC40B7 #B7DC40

tetradic

#40B7DC #B340DC #DC6540 #69DC40

square

#40B7DC #B340DC #DC6540 #69DC40

split-complementary

#40B7DC #DC4069 #DCB340

monochromatic

#196E89 #2398BC #40B7DC #74CAE5 #A7DEEF

Accessibility & contrast

On white

2.33

#40B7DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.02

#40B7DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B7DC

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B7DC	#FFFFFF	#000000	##000000
##40B7DC	1.00	2.33	9.02	9.02
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.02	21.00	1.00	1.00
##000000	9.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2B3DE

Deuteranopia (green-blind)

#8CA3DC

Tritanopia (blue-blind)

#00C2C3

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #40b7dc;
/* rgb */ color: rgb(64, 183, 220);
/* oklch */ color: oklch(72.9% 0.116 222.7);

Tailwind

colors: {
  custom: {
    50: '#89cce7',
    500: '#40b7dc',
    950: '#000000',
  },
}

SCSS

$custom: #40b7dc;
$custom-light: #89cce7;
$custom-dark: #000000;

JSON

{
  "hex": "#40b7dc",
  "rgb": {
    "r": 64,
    "g": 183,
    "b": 220
  },
  "hsl": {
    "h": 194.231,
    "s": 69.027,
    "l": 55.686
  },
  "oklch": {
    "l": 0.72892,
    "c": 0.11594,
    "h": 222.7
  },
  "luminance": 0.40124
}

Semantic roles & 50–950 ramp

primary

#40B7DC

secondary

#DCAB9B

accent

#663CEC

background

#F9FCFE

surface

#F1F9FC

border

#CBD2D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #40B7DC

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

Preview Lab → · Contrast checker → · Palette generator →