#3099B8#3099B8

#3099B8 is a light, moderate cyan. Relative luminance 0.269; OKLCH L 63.7% C 0.103 H 221.9°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#3099B8
RGB	rgb(48, 153, 184)
HSL	hsl(194, 59%, 45%)
HSV	hsv(194, 74%, 72%)
CMYK	cmyk(73.9%, 16.8%, 0%, 27.8%)
CIE-LAB	lab(58.85, -19.14, -24.63)
CIE-LCH	lch(58.85, 31.19, 232.15°)
OKLab	oklab(63.75% -0.0767 -0.0689)
OKLCH	oklch(63.75% 0.103 221.9)
XYZ	xyz(21.2583, 26.8690, 49.4040)
Luminance	0.2687 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3099B8 #B84F30

analogous

#30B893 #3099B8 #3055B8

triadic

#3099B8 #B83099 #99B830

tetradic

#3099B8 #9330B8 #B84F30 #55B830

square

#3099B8 #9330B8 #B84F30 #55B830

split-complementary

#3099B8 #B83055 #B89330

monochromatic

#174857 #237187 #3099B8 #53B5D2 #84CADF

Accessibility & contrast

On white

3.29

#3099B8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.37

#3099B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3099B8

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3099B8	#FFFFFF	#000000	##000000
##3099B8	1.00	3.29	6.37	6.37
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.37	21.00	1.00	1.00
##000000	6.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8795BA

Deuteranopia (green-blind)

#7488B8

Tritanopia (blue-blind)

#00A3A3

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #3099b8;
/* rgb */ color: rgb(48, 153, 184);
/* oklch */ color: oklch(63.7% 0.103 221.9);

Tailwind

colors: {
  custom: {
    50: '#7cb7cd',
    500: '#3099b8',
    950: '#000000',
  },
}

SCSS

$custom: #3099b8;
$custom-light: #7cb7cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3099b8",
  "rgb": {
    "r": 48,
    "g": 153,
    "b": 184
  },
  "hsl": {
    "h": 193.676,
    "s": 58.621,
    "l": 45.49
  },
  "oklch": {
    "l": 0.63747,
    "c": 0.10309,
    "h": 221.9
  },
  "luminance": 0.26872
}

Semantic roles & 50–950 ramp

primary

#3099B8

secondary

#C88D7C

accent

#6946E2

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3099B8

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

Preview Lab → · Contrast checker → · Palette generator →