#3787BA#3787BA

#3787BA is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 59.7% C 0.110 H 240.3°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#3787BA
RGB	rgb(55, 135, 186)
HSL	hsl(203, 54%, 47%)
HSV	hsv(203, 70%, 73%)
CMYK	cmyk(70.4%, 27.4%, 0%, 27.1%)
CIE-LAB	lab(53.69, -7.52, -33.76)
CIE-LCH	lch(53.69, 34.59, 257.44°)
OKLab	oklab(59.71% -0.0543 -0.0952)
OKLCH	oklch(59.71% 0.11 240.3)
XYZ	xyz(19.0990, 21.6832, 49.6236)
Luminance	0.2168 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3787BA #BA6A37

analogous

#37BAAC #3787BA #3745BA

triadic

#3787BA #BA3787 #87BA37

tetradic

#3787BA #AC37BA #BA6A37 #45BA37

square

#3787BA #AC37BA #BA6A37 #45BA37

split-complementary

#3787BA #BA3745 #BAAC37

monochromatic

#1B425C #29658B #3787BA #5FA4D0 #8EBFDE

Accessibility & contrast

On white

3.93

#3787BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#3787BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3787BA

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3787BA	#FFFFFF	#000000	##000000
##3787BA	1.00	3.93	5.34	5.34
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F87BC

Deuteranopia (green-blind)

#5D7BB9

Tritanopia (blue-blind)

#009499

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3787ba;
/* rgb */ color: rgb(55, 135, 186);
/* oklch */ color: oklch(59.7% 0.110 240.3);

Tailwind

colors: {
  custom: {
    50: '#7ea9cf',
    500: '#3787ba',
    950: '#000000',
  },
}

SCSS

$custom: #3787ba;
$custom-light: #7ea9cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3787ba",
  "rgb": {
    "r": 55,
    "g": 135,
    "b": 186
  },
  "hsl": {
    "h": 203.359,
    "s": 54.357,
    "l": 47.255
  },
  "oklch": {
    "l": 0.59708,
    "c": 0.10963,
    "h": 240.3
  },
  "luminance": 0.21685
}

Semantic roles & 50–950 ramp

primary

#3787BA

secondary

#C89F85

accent

#844ADE

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3787BA

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

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