#3099B3#3099B3

#3099B3 is a light, moderate cyan. Relative luminance 0.267; OKLCH L 63.5% C 0.100 H 218.1°. Best body text is #000000 at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#3099B3
RGB	rgb(48, 153, 179)
HSL	hsl(192, 58%, 45%)
HSV	hsv(192, 73%, 70%)
CMYK	cmyk(73.2%, 14.5%, 0%, 29.8%)
CIE-LAB	lab(58.66, -20.78, -22.09)
CIE-LCH	lch(58.66, 30.33, 226.75°)
OKLab	oklab(63.53% -0.0787 -0.0617)
OKLCH	oklch(63.53% 0.1 218.1)
XYZ	xyz(20.7434, 26.6631, 46.6923)
Luminance	0.2667 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3099B3 #B34A30

analogous

#30B38B #3099B3 #3058B3

triadic

#3099B3 #B33099 #99B330

tetradic

#3099B3 #8B30B3 #B34A30 #58B330

square

#3099B3 #8B30B3 #B34A30 #58B330

split-complementary

#3099B3 #B33058 #B38B30

monochromatic

#164752 #237083 #3099B3 #50B7D0 #80CBDD

Accessibility & contrast

On white

3.32

#3099B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.33

#3099B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3099B3

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3099B3	#FFFFFF	#000000	##000000
##3099B3	1.00	3.32	6.33	6.33
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.33	21.00	1.00	1.00
##000000	6.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8895B4

Deuteranopia (green-blind)

#7687B3

Tritanopia (blue-blind)

#00A2A1

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #3099b3;
/* rgb */ color: rgb(48, 153, 179);
/* oklch */ color: oklch(63.5% 0.100 218.1);

Tailwind

colors: {
  custom: {
    50: '#7bb7c9',
    500: '#3099b3',
    950: '#000000',
  },
}

SCSS

$custom: #3099b3;
$custom-light: #7bb7c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3099b3",
  "rgb": {
    "r": 48,
    "g": 153,
    "b": 179
  },
  "hsl": {
    "h": 191.908,
    "s": 57.709,
    "l": 44.51
  },
  "oklch": {
    "l": 0.63529,
    "c": 0.09995,
    "h": 218.1
  },
  "luminance": 0.26666
}

Semantic roles & 50–950 ramp

primary

#3099B3

secondary

#C68879

accent

#6547E1

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3099B3

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

Preview Lab → · Contrast checker → · Palette generator →