#3991C3#3991C3

#3991C3 is a light, moderate cyan. Relative luminance 0.251; OKLCH L 62.6% C 0.112 H 237.5°. Best body text is #000000 at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#3991C3
RGB	rgb(57, 145, 195)
HSL	hsl(202, 55%, 49%)
HSV	hsv(202, 71%, 76%)
CMYK	cmyk(70.8%, 25.6%, 0%, 23.5%)
CIE-LAB	lab(57.13, -9.82, -33.49)
CIE-LCH	lch(57.13, 34.90, 253.65°)
OKLab	oklab(62.59% -0.0602 -0.0943)
OKLCH	oklch(62.59% 0.112 237.5)
XYZ	xyz(21.6592, 25.0584, 55.3144)
Luminance	0.2506 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3991C3 #C36B39

analogous

#39C3B0 #3991C3 #394CC3

triadic

#3991C3 #C33991 #91C339

tetradic

#3991C3 #B039C3 #C36B39 #4CC339

square

#3991C3 #B039C3 #C36B39 #4CC339

split-complementary

#3991C3 #C3394C #C3B039

monochromatic

#1D4B64 #2B6E94 #3991C3 #67ABD2 #96C5E0

Accessibility & contrast

On white

3.49

#3991C3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.01

#3991C3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3991C3

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3991C3	#FFFFFF	#000000	##000000
##3991C3	1.00	3.49	6.01	6.01
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.01	21.00	1.00	1.00
##000000	6.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7991C5

Deuteranopia (green-blind)

#6783C2

Tritanopia (blue-blind)

#009EA2

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #3991c3;
/* rgb */ color: rgb(57, 145, 195);
/* oklch */ color: oklch(62.6% 0.112 237.5);

Tailwind

colors: {
  custom: {
    50: '#80b1d5',
    500: '#3991c3',
    950: '#000000',
  },
}

SCSS

$custom: #3991c3;
$custom-light: #80b1d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3991c3",
  "rgb": {
    "r": 57,
    "g": 145,
    "b": 195
  },
  "hsl": {
    "h": 201.739,
    "s": 54.762,
    "l": 49.412
  },
  "oklch": {
    "l": 0.62589,
    "c": 0.11191,
    "h": 237.5
  },
  "luminance": 0.25061
}

Semantic roles & 50–950 ramp

primary

#3991C3

secondary

#CCA38C

accent

#7F4ADE

background

#F8FAFD

surface

#F0F5FA

border

#CBCFD3

text

#0B1014

muted

#7C7F83

Preview Lab

Preview with #3991C3

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

Preview Lab → · Contrast checker → · Palette generator →