#4397BB#4397BB

#4397BB is a light, moderate cyan. Relative luminance 0.269; OKLCH L 64.0% C 0.097 H 229.2°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#4397BB
RGB	rgb(67, 151, 187)
HSL	hsl(198, 47%, 50%)
HSV	hsv(198, 64%, 73%)
CMYK	cmyk(64.2%, 19.3%, 0%, 26.7%)
CIE-LAB	lab(58.89, -14.21, -26.22)
CIE-LCH	lch(58.89, 29.82, 241.54°)
OKLab	oklab(63.97% -0.0632 -0.0733)
OKLCH	oklch(63.97% 0.097 229.2)
XYZ	xyz(22.3475, 26.9121, 51.0209)
Luminance	0.2691 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4397BB #BB6743

analogous

#43BBA3 #4397BB #435BBB

triadic

#4397BB #BB4397 #97BB43

tetradic

#4397BB #A343BB #BB6743 #5BBB43

square

#4397BB #A343BB #BB6743 #5BBB43

split-complementary

#4397BB #BB435B #BBA343

monochromatic

#234E61 #33738E #4397BB #70B0CC #9DC9DC

Accessibility & contrast

On white

3.29

#4397BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.38

#4397BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4397BB

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4397BB	#FFFFFF	#000000	##000000
##4397BB	1.00	3.29	6.38	6.38
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.38	21.00	1.00	1.00
##000000	6.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8495BD

Deuteranopia (green-blind)

#7488BB

Tritanopia (blue-blind)

#00A1A3

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4397bb;
/* rgb */ color: rgb(67, 151, 187);
/* oklch */ color: oklch(64.0% 0.097 229.2);

Tailwind

colors: {
  custom: {
    50: '#83b5cf',
    500: '#4397bb',
    950: '#000000',
  },
}

SCSS

$custom: #4397bb;
$custom-light: #83b5cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4397bb",
  "rgb": {
    "r": 67,
    "g": 151,
    "b": 187
  },
  "hsl": {
    "h": 198,
    "s": 47.244,
    "l": 49.804
  },
  "oklch": {
    "l": 0.63966,
    "c": 0.09682,
    "h": 229.2
  },
  "luminance": 0.26914
}

Semantic roles & 50–950 ramp

primary

#4397BB

secondary

#C8A292

accent

#7951D7

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #4397BB

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

Preview Lab → · Contrast checker → · Palette generator →