#3788AD#3788AD

#3788AD is a mid, moderate cyan. Relative luminance 0.214; OKLCH L 59.3% C 0.096 H 231.4°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#3788AD
RGB	rgb(55, 136, 173)
HSL	hsl(199, 52%, 45%)
HSV	hsv(199, 68%, 68%)
CMYK	cmyk(68.2%, 21.4%, 0%, 32.2%)
CIE-LAB	lab(53.42, -12.53, -26.72)
CIE-LCH	lch(53.42, 29.51, 244.87°)
OKLab	oklab(59.31% -0.0599 -0.0749)
OKLCH	oklch(59.31% 0.096 231.4)
XYZ	xyz(17.9195, 21.4357, 42.7202)
Luminance	0.2144 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3788AD #AD5C37

analogous

#37AD97 #3788AD #374DAD

triadic

#3788AD #AD3788 #88AD37

tetradic

#3788AD #9737AD #AD5C37 #4DAD37

square

#3788AD #9737AD #AD5C37 #4DAD37

split-complementary

#3788AD #AD374D #AD9737

monochromatic

#193F50 #28637F #3788AD #57A6CA #86BFD8

Accessibility & contrast

On white

3.97

#3788AD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#3788AD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3788AD

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3788AD	#FFFFFF	#000000	##000000
##3788AD	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7586AF

Deuteranopia (green-blind)

#657AAC

Tritanopia (blue-blind)

#009294

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3788ad;
/* rgb */ color: rgb(55, 136, 173);
/* oklch */ color: oklch(59.3% 0.096 231.4);

Tailwind

colors: {
  custom: {
    50: '#7caac5',
    500: '#3788ad',
    950: '#000000',
  },
}

SCSS

$custom: #3788ad;
$custom-light: #7caac5;
$custom-dark: #000000;

JSON

{
  "hex": "#3788ad",
  "rgb": {
    "r": 55,
    "g": 136,
    "b": 173
  },
  "hsl": {
    "h": 198.814,
    "s": 51.754,
    "l": 44.706
  },
  "oklch": {
    "l": 0.59309,
    "c": 0.0959,
    "h": 231.4
  },
  "luminance": 0.21438
}

Semantic roles & 50–950 ramp

primary

#3788AD

secondary

#C2937D

accent

#794DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3788AD

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

Preview Lab → · Contrast checker → · Palette generator →