#3691CA#3691CA

#3691CA is a light, vivid cyan. Relative luminance 0.253; OKLCH L 62.9% C 0.121 H 240.4°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#3691CA
RGB	rgb(54, 145, 202)
HSL	hsl(203, 58%, 50%)
HSV	hsv(203, 73%, 79%)
CMYK	cmyk(73.3%, 28.2%, 0%, 20.8%)
CIE-LAB	lab(57.36, -7.82, -37.09)
CIE-LCH	lch(57.36, 37.91, 258.09°)
OKLab	oklab(62.85% -0.0595 -0.1048)
OKLCH	oklch(62.85% 0.121 240.4)
XYZ	xyz(22.3032, 25.2968, 59.5730)
Luminance	0.2530 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3691CA #CA6F36

analogous

#36CAB9 #3691CA #3647CA

triadic

#3691CA #CA3691 #91CA36

tetradic

#3691CA #B936CA #CA6F36 #47CA36

square

#3691CA #B936CA #CA6F36 #47CA36

split-complementary

#3691CA #CA3647 #CAB936

monochromatic

#1C4C6A #296E9A #3691CA #66ACD7 #97C6E4

Accessibility & contrast

On white

3.47

#3691CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.06

#3691CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3691CA

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3691CA	#FFFFFF	#000000	##000000
##3691CA	1.00	3.47	6.06	6.06
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.06	21.00	1.00	1.00
##000000	6.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7692CD

Deuteranopia (green-blind)

#6283C9

Tritanopia (blue-blind)

#009FA5

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #3691ca;
/* rgb */ color: rgb(54, 145, 202);
/* oklch */ color: oklch(62.9% 0.121 240.4);

Tailwind

colors: {
  custom: {
    50: '#80b1da',
    500: '#3691ca',
    950: '#000000',
  },
}

SCSS

$custom: #3691ca;
$custom-light: #80b1da;
$custom-dark: #000000;

JSON

{
  "hex": "#3691ca",
  "rgb": {
    "r": 54,
    "g": 145,
    "b": 202
  },
  "hsl": {
    "h": 203.108,
    "s": 58.268,
    "l": 50.196
  },
  "oklch": {
    "l": 0.62852,
    "c": 0.12053,
    "h": 240.4
  },
  "luminance": 0.25299
}

Semantic roles & 50–950 ramp

primary

#3691CA

secondary

#CFA68D

accent

#8246E1

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3691CA

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

Preview Lab → · Contrast checker → · Palette generator →