#4097B9#4097B9

#4097B9 is a light, moderate cyan. Relative luminance 0.267; OKLCH L 63.8% C 0.097 H 227.1°. Best body text is #000000 at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#4097B9
RGB	rgb(64, 151, 185)
HSL	hsl(197, 49%, 49%)
HSV	hsv(197, 65%, 73%)
CMYK	cmyk(65.4%, 18.4%, 0%, 27.5%)
CIE-LAB	lab(58.72, -15.37, -25.37)
CIE-LCH	lch(58.72, 29.66, 238.79°)
OKLab	oklab(63.77% -0.0658 -0.0709)
OKLCH	oklch(63.77% 0.097 227.1)
XYZ	xyz(21.9344, 26.7237, 49.8917)
Luminance	0.2673 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4097B9 #B96240

analogous

#40B99F #4097B9 #405BB9

triadic

#4097B9 #B94097 #97B940

tetradic

#4097B9 #9F40B9 #B96240 #5BB940

square

#4097B9 #9F40B9 #B96240 #5BB940

split-complementary

#4097B9 #B9405B #B99F40

monochromatic

#214D5E #30728C #4097B9 #6BB0CC #98C8DB

Accessibility & contrast

On white

3.31

#4097B9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.35

#4097B9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4097B9

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4097B9	#FFFFFF	#000000	##000000
##4097B9	1.00	3.31	6.35	6.35
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.35	21.00	1.00	1.00
##000000	6.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8594BB

Deuteranopia (green-blind)

#7488B9

Tritanopia (blue-blind)

#00A1A2

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #4097b9;
/* rgb */ color: rgb(64, 151, 185);
/* oklch */ color: oklch(63.8% 0.097 227.1);

Tailwind

colors: {
  custom: {
    50: '#82b5ce',
    500: '#4097b9',
    950: '#000000',
  },
}

SCSS

$custom: #4097b9;
$custom-light: #82b5ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4097b9",
  "rgb": {
    "r": 64,
    "g": 151,
    "b": 185
  },
  "hsl": {
    "h": 196.86,
    "s": 48.594,
    "l": 48.824
  },
  "oklch": {
    "l": 0.63773,
    "c": 0.09675,
    "h": 227.1
  },
  "luminance": 0.26726
}

Semantic roles & 50–950 ramp

primary

#4097B9

secondary

#C79E8E

accent

#7650D8

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #4097B9

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

Preview Lab → · Contrast checker → · Palette generator →