#3090B5#3090B5

#3090B5 is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.4% C 0.103 H 228.1°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#3090B5
RGB	rgb(48, 144, 181)
HSL	hsl(197, 58%, 45%)
HSV	hsv(197, 73%, 71%)
CMYK	cmyk(73.5%, 20.4%, 0%, 29%)
CIE-LAB	lab(56.00, -15.29, -27.33)
CIE-LCH	lch(56.00, 31.32, 240.78°)
OKLab	oklab(61.42% -0.0689 -0.0767)
OKLCH	oklch(61.42% 0.103 228.1)
XYZ	xyz(19.5293, 23.9088, 47.2927)
Luminance	0.2391 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3090B5 #B55530

analogous

#30B598 #3090B5 #304DB5

triadic

#3090B5 #B53090 #90B530

tetradic

#3090B5 #9830B5 #B55530 #4DB530

square

#3090B5 #9830B5 #B55530 #4DB530

split-complementary

#3090B5 #B5304D #B59830

monochromatic

#164354 #236A85 #3090B5 #51ADD1 #82C4DE

Accessibility & contrast

On white

3.63

#3090B5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#3090B5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3090B5

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3090B5	#FFFFFF	#000000	##000000
##3090B5	1.00	3.63	5.78	5.78
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.78	21.00	1.00	1.00
##000000	5.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8EB7

Deuteranopia (green-blind)

#6A81B5

Tritanopia (blue-blind)

#009B9C

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3090b5;
/* rgb */ color: rgb(48, 144, 181);
/* oklch */ color: oklch(61.4% 0.103 228.1);

Tailwind

colors: {
  custom: {
    50: '#7bb0cb',
    500: '#3090b5',
    950: '#000000',
  },
}

SCSS

$custom: #3090b5;
$custom-light: #7bb0cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3090b5",
  "rgb": {
    "r": 48,
    "g": 144,
    "b": 181
  },
  "hsl": {
    "h": 196.692,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.61419,
    "c": 0.10305,
    "h": 228.1
  },
  "luminance": 0.23911
}

Semantic roles & 50–950 ramp

primary

#3090B5

secondary

#C78F7A

accent

#7246E1

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3090B5

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

Preview Lab → · Contrast checker → · Palette generator →