#3790B7#3790B7

#3790B7 is a mid, moderate cyan. Relative luminance 0.242; OKLCH L 61.7% C 0.102 H 230.6°. Best body text is #000000 at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#3790B7
RGB	rgb(55, 144, 183)
HSL	hsl(198, 54%, 47%)
HSV	hsv(198, 70%, 72%)
CMYK	cmyk(69.9%, 21.3%, 0%, 28.2%)
CIE-LAB	lab(56.26, -13.63, -28.04)
CIE-LCH	lch(56.26, 31.18, 244.09°)
OKLab	oklab(61.71% -0.0645 -0.0787)
OKLCH	oklch(61.71% 0.102 230.6)
XYZ	xyz(20.0926, 24.1754, 48.3980)
Luminance	0.2418 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3790B7 #B75E37

analogous

#37B79E #3790B7 #3750B7

triadic

#3790B7 #B73790 #90B737

tetradic

#3790B7 #9E37B7 #B75E37 #50B737

square

#3790B7 #9E37B7 #B75E37 #50B737

split-complementary

#3790B7 #B73750 #B79E37

monochromatic

#1B4659 #296B88 #3790B7 #5DACCE #8CC4DC

Accessibility & contrast

On white

3.60

#3790B7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.84

#3790B7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3790B7

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3790B7	#FFFFFF	#000000	##000000
##3790B7	1.00	3.60	5.84	5.84
#FFFFFF	3.60	1.00	21.00	21.00
#000000	5.84	21.00	1.00	1.00
##000000	5.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8EB9

Deuteranopia (green-blind)

#6B81B6

Tritanopia (blue-blind)

#009B9D

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3790b7;
/* rgb */ color: rgb(55, 144, 183);
/* oklch */ color: oklch(61.7% 0.102 230.6);

Tailwind

colors: {
  custom: {
    50: '#7eb0cc',
    500: '#3790b7',
    950: '#000000',
  },
}

SCSS

$custom: #3790b7;
$custom-light: #7eb0cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3790b7",
  "rgb": {
    "r": 55,
    "g": 144,
    "b": 183
  },
  "hsl": {
    "h": 198.281,
    "s": 53.782,
    "l": 46.667
  },
  "oklch": {
    "l": 0.61712,
    "c": 0.10172,
    "h": 230.6
  },
  "luminance": 0.24178
}

Semantic roles & 50–950 ramp

primary

#3790B7

secondary

#C79883

accent

#774BDD

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3790B7

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

Preview Lab → · Contrast checker → · Palette generator →