#40BFDC#40BFDC

#40BFDC is a light, moderate cyan. Relative luminance 0.435; OKLCH L 74.8% C 0.115 H 216.4°. Best body text is #000000 at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#40BFDC
RGB	rgb(64, 191, 220)
HSL	hsl(191, 69%, 56%)
HSV	hsv(191, 71%, 86%)
CMYK	cmyk(70.9%, 13.2%, 0%, 13.7%)
CIE-LAB	lab(71.90, -25.15, -24.54)
CIE-LCH	lch(71.90, 35.14, 224.29°)
OKLab	oklab(74.78% -0.093 -0.0684)
OKLCH	oklch(74.78% 0.115 216.4)
XYZ	xyz(33.6580, 43.5150, 74.3216)
Luminance	0.4352 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BFDC #DC5D40

analogous

#40DCAB #40BFDC #4071DC

triadic

#40BFDC #DC40BF #BFDC40

tetradic

#40BFDC #AB40DC #DC5D40 #71DC40

square

#40BFDC #AB40DC #DC5D40 #71DC40

split-complementary

#40BFDC #DC4071 #DCAB40

monochromatic

#197489 #23A0BC #40BFDC #74D0E5 #A7E2EF

Accessibility & contrast

On white

2.16

#40BFDC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.70

#40BFDC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BFDC

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BFDC	#FFFFFF	#000000	##000000
##40BFDC	1.00	2.16	9.70	9.70
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.70	21.00	1.00	1.00
##000000	9.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABB9DE

Deuteranopia (green-blind)

#96A9DC

Tritanopia (blue-blind)

#00C9C8

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #40bfdc;
/* rgb */ color: rgb(64, 191, 220);
/* oklch */ color: oklch(74.8% 0.115 216.4);

Tailwind

colors: {
  custom: {
    50: '#89d2e7',
    500: '#40bfdc',
    950: '#000000',
  },
}

SCSS

$custom: #40bfdc;
$custom-light: #89d2e7;
$custom-dark: #000000;

JSON

{
  "hex": "#40bfdc",
  "rgb": {
    "r": 64,
    "g": 191,
    "b": 220
  },
  "hsl": {
    "h": 191.154,
    "s": 69.027,
    "l": 55.686
  },
  "oklch": {
    "l": 0.74777,
    "c": 0.11543,
    "h": 216.4
  },
  "luminance": 0.43519
}

Semantic roles & 50–950 ramp

primary

#40BFDC

secondary

#DCA89B

accent

#5D3CEC

background

#F9FCFE

surface

#F1F9FC

border

#CBD2D5

text

#0D1416

muted

#7E8284

Preview Lab

Preview with #40BFDC

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

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