#3789BA#3789BA

#3789BA is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 60.2% C 0.108 H 238.7°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#3789BA
RGB	rgb(55, 137, 186)
HSL	hsl(202, 54%, 47%)
HSV	hsv(202, 70%, 73%)
CMYK	cmyk(70.4%, 26.3%, 0%, 27.1%)
CIE-LAB	lab(54.29, -8.67, -32.82)
CIE-LCH	lch(54.29, 33.95, 255.20°)
OKLab	oklab(60.18% -0.0563 -0.0925)
OKLCH	oklch(60.18% 0.108 238.7)
XYZ	xyz(19.3807, 22.2466, 49.7175)
Luminance	0.2225 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3789BA #BA6837

analogous

#37BAAA #3789BA #3747BA

triadic

#3789BA #BA3789 #89BA37

tetradic

#3789BA #AA37BA #BA6837 #47BA37

square

#3789BA #AA37BA #BA6837 #47BA37

split-complementary

#3789BA #BA3747 #BAAA37

monochromatic

#1B435C #29668B #3789BA #5FA5D0 #8EC0DE

Accessibility & contrast

On white

3.85

#3789BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#3789BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3789BA

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3789BA	#FFFFFF	#000000	##000000
##3789BA	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7289BC

Deuteranopia (green-blind)

#607CB9

Tritanopia (blue-blind)

#00959A

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3789ba;
/* rgb */ color: rgb(55, 137, 186);
/* oklch */ color: oklch(60.2% 0.108 238.7);

Tailwind

colors: {
  custom: {
    50: '#7eabcf',
    500: '#3789ba',
    950: '#000000',
  },
}

SCSS

$custom: #3789ba;
$custom-light: #7eabcf;
$custom-dark: #000000;

JSON

{
  "hex": "#3789ba",
  "rgb": {
    "r": 55,
    "g": 137,
    "b": 186
  },
  "hsl": {
    "h": 202.443,
    "s": 54.357,
    "l": 47.255
  },
  "oklch": {
    "l": 0.60182,
    "c": 0.10831,
    "h": 238.7
  },
  "luminance": 0.22249
}

Semantic roles & 50–950 ramp

primary

#3789BA

secondary

#C89E85

accent

#814ADE

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3789BA

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

Preview Lab → · Contrast checker → · Palette generator →