#3090B8#3090B8

#3090B8 is a mid, moderate cyan. Relative luminance 0.240; OKLCH L 61.6% C 0.106 H 230.1°. Best body text is #000000 at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#3090B8
RGB	rgb(48, 144, 184)
HSL	hsl(198, 59%, 45%)
HSV	hsv(198, 74%, 72%)
CMYK	cmyk(73.9%, 21.7%, 0%, 27.8%)
CIE-LAB	lab(56.12, -14.26, -28.85)
CIE-LCH	lch(56.12, 32.18, 243.69°)
OKLab	oklab(61.56% -0.0677 -0.081)
OKLCH	oklch(61.56% 0.106 230.1)
XYZ	xyz(19.8404, 24.0333, 48.9313)
Luminance	0.2404 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3090B8 #B85830

analogous

#30B89C #3090B8 #304CB8

triadic

#3090B8 #B83090 #90B830

tetradic

#3090B8 #9C30B8 #B85830 #4CB830

square

#3090B8 #9C30B8 #B85830 #4CB830

split-complementary

#3090B8 #B8304C #B89C30

monochromatic

#174457 #236A87 #3090B8 #53ADD2 #84C4DF

Accessibility & contrast

On white

3.62

#3090B8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.81

#3090B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3090B8

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3090B8	#FFFFFF	#000000	##000000
##3090B8	1.00	3.62	5.81	5.81
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.81	21.00	1.00	1.00
##000000	5.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8EBA

Deuteranopia (green-blind)

#6981B7

Tritanopia (blue-blind)

#009B9D

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3090b8;
/* rgb */ color: rgb(48, 144, 184);
/* oklch */ color: oklch(61.6% 0.106 230.1);

Tailwind

colors: {
  custom: {
    50: '#7bb0cd',
    500: '#3090b8',
    950: '#000000',
  },
}

SCSS

$custom: #3090b8;
$custom-light: #7bb0cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3090b8",
  "rgb": {
    "r": 48,
    "g": 144,
    "b": 184
  },
  "hsl": {
    "h": 197.647,
    "s": 58.621,
    "l": 45.49
  },
  "oklch": {
    "l": 0.6156,
    "c": 0.10562,
    "h": 230.1
  },
  "luminance": 0.24036
}

Semantic roles & 50–950 ramp

primary

#3090B8

secondary

#C8927C

accent

#7446E2

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3090B8

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

Preview Lab → · Contrast checker → · Palette generator →