#4397D3#4397D3

#4397D3 is a light, vivid cyan. Relative luminance 0.280; OKLCH L 65.1% C 0.121 H 242.9°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#4397D3
RGB	rgb(67, 151, 211)
HSL	hsl(205, 62%, 55%)
HSV	hsv(205, 68%, 83%)
CMYK	cmyk(68.2%, 28.4%, 0%, 17.3%)
CIE-LAB	lab(59.91, -6.28, -38.12)
CIE-LCH	lch(59.91, 38.63, 260.65°)
OKLab	oklab(65.11% -0.0551 -0.1076)
OKLCH	oklch(65.11% 0.121 242.9)
XYZ	xyz(25.1347, 28.0270, 65.7005)
Luminance	0.2803 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4397D3 #D37F43

analogous

#43D3C7 #4397D3 #434FD3

triadic

#4397D3 #D34397 #97D343

tetradic

#4397D3 #C743D3 #D37F43 #4FD343

square

#4397D3 #C743D3 #D37F43 #4FD343

split-complementary

#4397D3 #D3434F #D3C743

monochromatic

#1E567E #2978B0 #4397D3 #75B2DF #A6CEEA

Accessibility & contrast

On white

3.18

#4397D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#4397D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4397D3

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4397D3	#FFFFFF	#000000	##000000
##4397D3	1.00	3.18	6.61	6.61
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C98D6

Deuteranopia (green-blind)

#688AD2

Tritanopia (blue-blind)

#00A6AC

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #4397d3;
/* rgb */ color: rgb(67, 151, 211);
/* oklch */ color: oklch(65.1% 0.121 242.9);

Tailwind

colors: {
  custom: {
    50: '#87b5e0',
    500: '#4397d3',
    950: '#000000',
  },
}

SCSS

$custom: #4397d3;
$custom-light: #87b5e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4397d3",
  "rgb": {
    "r": 67,
    "g": 151,
    "b": 211
  },
  "hsl": {
    "h": 205,
    "s": 62.069,
    "l": 54.51
  },
  "oklch": {
    "l": 0.65113,
    "c": 0.12088,
    "h": 242.9
  },
  "luminance": 0.2803
}

Semantic roles & 50–950 ramp

primary

#4397D3

secondary

#D7B49A

accent

#8643E5

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #4397D3

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

Preview Lab → · Contrast checker → · Palette generator →