#4098BB#4098BB

#4098BB is a light, moderate cyan. Relative luminance 0.271; OKLCH L 64.1% C 0.098 H 227.6°. Best body text is #000000 at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#4098BB
RGB	rgb(64, 152, 187)
HSL	hsl(197, 49%, 49%)
HSV	hsv(197, 66%, 73%)
CMYK	cmyk(65.8%, 18.7%, 0%, 26.7%)
CIE-LAB	lab(59.10, -15.27, -25.91)
CIE-LCH	lch(59.10, 30.07, 239.50°)
OKLab	oklab(64.1% -0.0661 -0.0724)
OKLCH	oklch(64.1% 0.098 227.6)
XYZ	xyz(22.3087, 27.1319, 51.0654)
Luminance	0.2713 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4098BB #BB6340

analogous

#40BBA1 #4098BB #405BBB

triadic

#4098BB #BB4098 #98BB40

tetradic

#4098BB #A140BB #BB6340 #5BBB40

square

#4098BB #A140BB #BB6340 #5BBB40

split-complementary

#4098BB #BB405B #BBA140

monochromatic

#214E60 #30738D #4098BB #6CB1CD #99C9DC

Accessibility & contrast

On white

3.27

#4098BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.43

#4098BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4098BB

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4098BB	#FFFFFF	#000000	##000000
##4098BB	1.00	3.27	6.43	6.43
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.43	21.00	1.00	1.00
##000000	6.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8695BD

Deuteranopia (green-blind)

#7489BB

Tritanopia (blue-blind)

#00A2A3

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4098bb;
/* rgb */ color: rgb(64, 152, 187);
/* oklch */ color: oklch(64.1% 0.098 227.6);

Tailwind

colors: {
  custom: {
    50: '#82b6cf',
    500: '#4098bb',
    950: '#000000',
  },
}

SCSS

$custom: #4098bb;
$custom-light: #82b6cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4098bb",
  "rgb": {
    "r": 64,
    "g": 152,
    "b": 187
  },
  "hsl": {
    "h": 197.073,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.64102,
    "c": 0.09809,
    "h": 227.6
  },
  "luminance": 0.27134
}

Semantic roles & 50–950 ramp

primary

#4098BB

secondary

#C89F8F

accent

#764FD9

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #4098BB

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

Preview Lab → · Contrast checker → · Palette generator →