#3689AD#3689AD

#3689AD is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 59.5% C 0.096 H 230.2°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#3689AD
RGB	rgb(54, 137, 173)
HSL	hsl(198, 52%, 45%)
HSV	hsv(198, 69%, 68%)
CMYK	cmyk(68.8%, 20.8%, 0%, 32.2%)
CIE-LAB	lab(53.70, -13.25, -26.30)
CIE-LCH	lch(53.70, 29.45, 243.26°)
OKLab	oklab(59.52% -0.0615 -0.0737)
OKLCH	oklch(59.52% 0.096 230.2)
XYZ	xyz(18.0068, 21.6907, 42.7648)
Luminance	0.2169 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3689AD #AD5A36

analogous

#36AD96 #3689AD #364EAD

triadic

#3689AD #AD3689 #89AD36

tetradic

#3689AD #9636AD #AD5A36 #4EAD36

square

#3689AD #9636AD #AD5A36 #4EAD36

split-complementary

#3689AD #AD364E #AD9636

monochromatic

#193F50 #27647E #3689AD #56A7CA #85BFD9

Accessibility & contrast

On white

3.93

#3689AD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#3689AD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3689AD

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3689AD	#FFFFFF	#000000	##000000
##3689AD	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)

#7787AF

Deuteranopia (green-blind)

#667BAC

Tritanopia (blue-blind)

#009395

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3689ad;
/* rgb */ color: rgb(54, 137, 173);
/* oklch */ color: oklch(59.5% 0.096 230.2);

Tailwind

colors: {
  custom: {
    50: '#7babc5',
    500: '#3689ad',
    950: '#000000',
  },
}

SCSS

$custom: #3689ad;
$custom-light: #7babc5;
$custom-dark: #000000;

JSON

{
  "hex": "#3689ad",
  "rgb": {
    "r": 54,
    "g": 137,
    "b": 173
  },
  "hsl": {
    "h": 198.151,
    "s": 52.423,
    "l": 44.51
  },
  "oklch": {
    "l": 0.59519,
    "c": 0.096,
    "h": 230.2
  },
  "luminance": 0.21693
}

Semantic roles & 50–950 ramp

primary

#3689AD

secondary

#C2927C

accent

#774CDC

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #3689AD

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

Preview Lab → · Contrast checker → · Palette generator →