#4097BB#4097BB

#4097BB is a light, moderate cyan. Relative luminance 0.268; OKLCH L 63.9% C 0.098 H 228.6°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#4097BB
RGB	rgb(64, 151, 187)
HSL	hsl(198, 49%, 49%)
HSV	hsv(198, 66%, 73%)
CMYK	cmyk(65.8%, 19.3%, 0%, 26.7%)
CIE-LAB	lab(58.80, -14.72, -26.37)
CIE-LCH	lch(58.80, 30.20, 240.83°)
OKLab	oklab(63.86% -0.0651 -0.0738)
OKLCH	oklch(63.86% 0.098 228.6)
XYZ	xyz(22.1470, 26.8087, 51.0115)
Luminance	0.2681 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4097BB #BB6440

analogous

#40BBA2 #4097BB #405ABB

triadic

#4097BB #BB4097 #97BB40

tetradic

#4097BB #A240BB #BB6440 #5ABB40

square

#4097BB #A240BB #BB6440 #5ABB40

split-complementary

#4097BB #BB405A #BBA240

monochromatic

#214D60 #30728D #4097BB #6CB0CD #99C9DC

Accessibility & contrast

On white

3.30

#4097BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.36

#4097BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4097BB

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4097BB	#FFFFFF	#000000	##000000
##4097BB	1.00	3.30	6.36	6.36
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.36	21.00	1.00	1.00
##000000	6.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8495BD

Deuteranopia (green-blind)

#7388BB

Tritanopia (blue-blind)

#00A1A3

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #4097bb;
/* rgb */ color: rgb(64, 151, 187);
/* oklch */ color: oklch(63.9% 0.098 228.6);

Tailwind

colors: {
  custom: {
    50: '#82b5cf',
    500: '#4097bb',
    950: '#000000',
  },
}

SCSS

$custom: #4097bb;
$custom-light: #82b5cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4097bb",
  "rgb": {
    "r": 64,
    "g": 151,
    "b": 187
  },
  "hsl": {
    "h": 197.561,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.63863,
    "c": 0.09838,
    "h": 228.6
  },
  "luminance": 0.26811
}

Semantic roles & 50–950 ramp

primary

#4097BB

secondary

#C8A08F

accent

#774FD9

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #4097BB

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

Preview Lab → · Contrast checker → · Palette generator →