#3789AE#3789AE

#3789AE is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.6% C 0.096 H 231.1°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#3789AE
RGB	rgb(55, 137, 174)
HSL	hsl(199, 52%, 45%)
HSV	hsv(199, 68%, 68%)
CMYK	cmyk(68.4%, 21.3%, 0%, 31.8%)
CIE-LAB	lab(53.77, -12.76, -26.76)
CIE-LCH	lch(53.77, 29.65, 244.51°)
OKLab	oklab(59.6% -0.0605 -0.075)
OKLCH	oklch(59.6% 0.096 231.1)
XYZ	xyz(18.1582, 21.7576, 43.2789)
Luminance	0.2176 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3789AE #AE5C37

analogous

#37AE97 #3789AE #374EAE

triadic

#3789AE #AE3789 #89AE37

tetradic

#3789AE #9737AE #AE5C37 #4EAE37

square

#3789AE #9737AE #AE5C37 #4EAE37

split-complementary

#3789AE #AE374E #AE9737

monochromatic

#1A4051 #28647F #3789AE #58A7CA #86BFD9

Accessibility & contrast

On white

3.92

#3789AE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#3789AE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3789AE

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3789AE	#FFFFFF	#000000	##000000
##3789AE	1.00	3.92	5.35	5.35
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7687B0

Deuteranopia (green-blind)

#667BAD

Tritanopia (blue-blind)

#009395

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3789ae;
/* rgb */ color: rgb(55, 137, 174);
/* oklch */ color: oklch(59.6% 0.096 231.1);

Tailwind

colors: {
  custom: {
    50: '#7cabc6',
    500: '#3789ae',
    950: '#000000',
  },
}

SCSS

$custom: #3789ae;
$custom-light: #7cabc6;
$custom-dark: #000000;

JSON

{
  "hex": "#3789ae",
  "rgb": {
    "r": 55,
    "g": 137,
    "b": 174
  },
  "hsl": {
    "h": 198.655,
    "s": 51.965,
    "l": 44.902
  },
  "oklch": {
    "l": 0.59599,
    "c": 0.09641,
    "h": 231.1
  },
  "luminance": 0.2176
}

Semantic roles & 50–950 ramp

primary

#3789AE

secondary

#C3937E

accent

#794CDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3789AE

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

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