#3099B1#3099B1

#3099B1 is a light, moderate cyan. Relative luminance 0.266; OKLCH L 63.4% C 0.099 H 216.5°. Best body text is #000000 at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#3099B1
RGB	rgb(48, 153, 177)
HSL	hsl(191, 57%, 44%)
HSV	hsv(191, 73%, 69%)
CMYK	cmyk(72.9%, 13.6%, 0%, 30.6%)
CIE-LAB	lab(58.59, -21.43, -21.08)
CIE-LCH	lch(58.59, 30.06, 224.52°)
OKLab	oklab(63.44% -0.0795 -0.0588)
OKLCH	oklch(63.44% 0.099 216.5)
XYZ	xyz(20.5426, 26.5828, 45.6348)
Luminance	0.2658 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3099B1 #B14830

analogous

#30B189 #3099B1 #3059B1

triadic

#3099B1 #B13099 #99B130

tetradic

#3099B1 #8930B1 #B14830 #59B130

square

#3099B1 #8930B1 #B14830 #59B130

split-complementary

#3099B1 #B13059 #B18930

monochromatic

#164651 #236F81 #3099B1 #4FB7CF #7FCBDC

Accessibility & contrast

On white

3.32

#3099B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.32

#3099B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3099B1

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3099B1	#FFFFFF	#000000	##000000
##3099B1	1.00	3.32	6.32	6.32
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.32	21.00	1.00	1.00
##000000	6.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8994B2

Deuteranopia (green-blind)

#7787B1

Tritanopia (blue-blind)

#00A2A1

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #3099b1;
/* rgb */ color: rgb(48, 153, 177);
/* oklch */ color: oklch(63.4% 0.099 216.5);

Tailwind

colors: {
  custom: {
    50: '#7bb7c8',
    500: '#3099b1',
    950: '#000000',
  },
}

SCSS

$custom: #3099b1;
$custom-light: #7bb7c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3099b1",
  "rgb": {
    "r": 48,
    "g": 153,
    "b": 177
  },
  "hsl": {
    "h": 191.163,
    "s": 57.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.63444,
    "c": 0.09885,
    "h": 216.5
  },
  "luminance": 0.26585
}

Semantic roles & 50–950 ramp

primary

#3099B1

secondary

#C58678

accent

#6447E1

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3099B1

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

Preview Lab → · Contrast checker → · Palette generator →