#3790B2#3790B2

#3790B2 is a mid, moderate cyan. Relative luminance 0.240; OKLCH L 61.5% C 0.097 H 227.1°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#3790B2
RGB	rgb(55, 144, 178)
HSL	hsl(197, 53%, 46%)
HSV	hsv(197, 69%, 70%)
CMYK	cmyk(69.1%, 19.1%, 0%, 30.2%)
CIE-LAB	lab(56.06, -15.29, -25.51)
CIE-LCH	lch(56.06, 29.74, 239.06°)
OKLab	oklab(61.48% -0.0664 -0.0714)
OKLCH	oklch(61.48% 0.097 227.1)
XYZ	xyz(19.5815, 23.9709, 45.7057)
Luminance	0.2397 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3790B2 #B25937

analogous

#37B296 #3790B2 #3753B2

triadic

#3790B2 #B23790 #90B237

tetradic

#3790B2 #9637B2 #B25937 #53B237

square

#3790B2 #9637B2 #B25937 #53B237

split-complementary

#3790B2 #B23753 #B29637

monochromatic

#1A4454 #296A83 #3790B2 #5AADCC #89C4DB

Accessibility & contrast

On white

3.62

#3790B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.79

#3790B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3790B2

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3790B2	#FFFFFF	#000000	##000000
##3790B2	1.00	3.62	5.79	5.79
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.79	21.00	1.00	1.00
##000000	5.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8DB4

Deuteranopia (green-blind)

#6D81B2

Tritanopia (blue-blind)

#009A9B

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3790b2;
/* rgb */ color: rgb(55, 144, 178);
/* oklch */ color: oklch(61.5% 0.097 227.1);

Tailwind

colors: {
  custom: {
    50: '#7db0c9',
    500: '#3790b2',
    950: '#000000',
  },
}

SCSS

$custom: #3790b2;
$custom-light: #7db0c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3790b2",
  "rgb": {
    "r": 55,
    "g": 144,
    "b": 178
  },
  "hsl": {
    "h": 196.585,
    "s": 52.79,
    "l": 45.686
  },
  "oklch": {
    "l": 0.61481,
    "c": 0.09747,
    "h": 227.1
  },
  "luminance": 0.23973
}

Semantic roles & 50–950 ramp

primary

#3790B2

secondary

#C59380

accent

#744CDC

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3790B2

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

Preview Lab → · Contrast checker → · Palette generator →