#3099B5#3099B5

#3099B5 is a light, moderate cyan. Relative luminance 0.267; OKLCH L 63.6% C 0.101 H 219.7°. Best body text is #000000 at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#3099B5
RGB	rgb(48, 153, 181)
HSL	hsl(193, 58%, 45%)
HSV	hsv(193, 73%, 71%)
CMYK	cmyk(73.5%, 15.5%, 0%, 29%)
CIE-LAB	lab(58.74, -20.13, -23.11)
CIE-LCH	lch(58.74, 30.64, 228.95°)
OKLab	oklab(63.62% -0.0779 -0.0646)
OKLCH	oklch(63.62% 0.101 219.7)
XYZ	xyz(20.9472, 26.7446, 47.7653)
Luminance	0.2675 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3099B5 #B54C30

analogous

#30B58F #3099B5 #3056B5

triadic

#3099B5 #B53099 #99B530

tetradic

#3099B5 #8F30B5 #B54C30 #56B530

square

#3099B5 #8F30B5 #B54C30 #56B530

split-complementary

#3099B5 #B53056 #B58F30

monochromatic

#164754 #237085 #3099B5 #51B6D1 #82CADE

Accessibility & contrast

On white

3.31

#3099B5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.35

#3099B5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3099B5

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3099B5	#FFFFFF	#000000	##000000
##3099B5	1.00	3.31	6.35	6.35
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.35	21.00	1.00	1.00
##000000	6.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8895B7

Deuteranopia (green-blind)

#7688B5

Tritanopia (blue-blind)

#00A2A2

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #3099b5;
/* rgb */ color: rgb(48, 153, 181);
/* oklch */ color: oklch(63.6% 0.101 219.7);

Tailwind

colors: {
  custom: {
    50: '#7bb7cb',
    500: '#3099b5',
    950: '#000000',
  },
}

SCSS

$custom: #3099b5;
$custom-light: #7bb7cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3099b5",
  "rgb": {
    "r": 48,
    "g": 153,
    "b": 181
  },
  "hsl": {
    "h": 192.632,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.63615,
    "c": 0.10115,
    "h": 219.7
  },
  "luminance": 0.26747
}

Semantic roles & 50–950 ramp

primary

#3099B5

secondary

#C78A7A

accent

#6746E1

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3099B5

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

Preview Lab → · Contrast checker → · Palette generator →