#4098B5#4098B5

#4098B5 is a light, moderate cyan. Relative luminance 0.269; OKLCH L 63.8% C 0.094 H 223.0°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#4098B5
RGB	rgb(64, 152, 181)
HSL	hsl(195, 48%, 48%)
HSV	hsv(195, 65%, 71%)
CMYK	cmyk(64.6%, 16%, 0%, 29%)
CIE-LAB	lab(58.86, -17.19, -22.88)
CIE-LCH	lch(58.86, 28.62, 233.08°)
OKLab	oklab(63.84% -0.0684 -0.0638)
OKLCH	oklch(63.84% 0.094 223)
XYZ	xyz(21.6797, 26.8804, 47.7530)
Luminance	0.2688 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4098B5 #B55D40

analogous

#40B597 #4098B5 #405DB5

triadic

#4098B5 #B54098 #98B540

tetradic

#4098B5 #9740B5 #B55D40 #5DB540

square

#4098B5 #9740B5 #B55D40 #5DB540

split-complementary

#4098B5 #B5405D #B59740

monochromatic

#204C5B #307288 #4098B5 #68B2CA #96C9DA

Accessibility & contrast

On white

3.29

#4098B5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.38

#4098B5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4098B5

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4098B5	#FFFFFF	#000000	##000000
##4098B5	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)

#8795B7

Deuteranopia (green-blind)

#7788B5

Tritanopia (blue-blind)

#00A1A1

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4098b5;
/* rgb */ color: rgb(64, 152, 181);
/* oklch */ color: oklch(63.8% 0.094 223.0);

Tailwind

colors: {
  custom: {
    50: '#81b6cb',
    500: '#4098b5',
    950: '#000000',
  },
}

SCSS

$custom: #4098b5;
$custom-light: #81b6cb;
$custom-dark: #000000;

JSON

{
  "hex": "#4098b5",
  "rgb": {
    "r": 64,
    "g": 152,
    "b": 181
  },
  "hsl": {
    "h": 194.872,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.63838,
    "c": 0.09356,
    "h": 223
  },
  "luminance": 0.26883
}

Semantic roles & 50–950 ramp

primary

#4098B5

secondary

#C59A8B

accent

#7250D7

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #4098B5

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

Preview Lab → · Contrast checker → · Palette generator →