#4097CF#4097CF

#4097CF is a light, moderate cyan. Relative luminance 0.277; OKLCH L 64.8% C 0.118 H 240.4°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#4097CF
RGB	rgb(64, 151, 207)
HSL	hsl(203, 60%, 53%)
HSV	hsv(203, 69%, 81%)
CMYK	cmyk(69.1%, 27.1%, 0%, 18.8%)
CIE-LAB	lab(59.64, -8.09, -36.32)
CIE-LCH	lch(59.64, 37.21, 257.44°)
OKLab	oklab(64.81% -0.0582 -0.1024)
OKLCH	oklch(64.81% 0.118 240.4)
XYZ	xyz(24.4391, 27.7255, 63.0830)
Luminance	0.2773 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4097CF #CF7840

analogous

#40CFC0 #4097CF #404FCF

triadic

#4097CF #CF4097 #97CF40

tetradic

#4097CF #C040CF #CF7840 #4FCF40

square

#4097CF #C040CF #CF7840 #4FCF40

split-complementary

#4097CF #CF404F #CFC040

monochromatic

#1E5477 #2A77A8 #4097CF #71B2DB #A2CCE8

Accessibility & contrast

On white

3.21

#4097CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#4097CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4097CF

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4097CF	#FFFFFF	#000000	##000000
##4097CF	1.00	3.21	6.55	6.55
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.55	21.00	1.00	1.00
##000000	6.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D97D2

Deuteranopia (green-blind)

#6A89CE

Tritanopia (blue-blind)

#00A5AA

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #4097cf;
/* rgb */ color: rgb(64, 151, 207);
/* oklch */ color: oklch(64.8% 0.118 240.4);

Tailwind

colors: {
  custom: {
    50: '#85b5de',
    500: '#4097cf',
    950: '#000000',
  },
}

SCSS

$custom: #4097cf;
$custom-light: #85b5de;
$custom-dark: #000000;

JSON

{
  "hex": "#4097cf",
  "rgb": {
    "r": 64,
    "g": 151,
    "b": 207
  },
  "hsl": {
    "h": 203.497,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.64811,
    "c": 0.11776,
    "h": 240.4
  },
  "luminance": 0.27728
}

Semantic roles & 50–950 ramp

primary

#4097CF

secondary

#D4AF97

accent

#8345E3

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #4097CF

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

Preview Lab → · Contrast checker → · Palette generator →