#3771A7#3771A7

#3771A7 is a mid, moderate cyan. Relative luminance 0.154; OKLCH L 53.5% C 0.105 H 248.9°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#3771A7
RGB	rgb(55, 113, 167)
HSL	hsl(209, 50%, 44%)
HSV	hsv(209, 67%, 65%)
CMYK	cmyk(67.1%, 32.3%, 0%, 34.5%)
CIE-LAB	lab(46.19, -1.19, -34.52)
CIE-LCH	lch(46.19, 34.54, 268.02°)
OKLab	oklab(53.49% -0.0377 -0.0977)
OKLCH	oklch(53.49% 0.105 248.9)
XYZ	xyz(14.4531, 15.4110, 38.7647)
Luminance	0.1541 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3771A7 #A76D37

analogous

#37A7A5 #3771A7 #3739A7

triadic

#3771A7 #A73771 #71A737

tetradic

#3771A7 #A537A7 #A76D37 #39A737

square

#3771A7 #A537A7 #A76D37 #39A737

split-complementary

#3771A7 #A73739 #A7A537

monochromatic

#19334B #285279 #3771A7 #5490C7 #82AED6

Accessibility & contrast

On white

5.14

#3771A7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#3771A7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3771A7

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3771A7	#FFFFFF	#000000	##FFFFFF
##3771A7	1.00	5.14	4.08	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5973A9

Deuteranopia (green-blind)

#4A69A6

Tritanopia (blue-blind)

#007E84

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3771a7;
/* rgb */ color: rgb(55, 113, 167);
/* oklch */ color: oklch(53.5% 0.105 248.9);

Tailwind

colors: {
  custom: {
    50: '#7a99c1',
    500: '#3771a7',
    950: '#000000',
  },
}

SCSS

$custom: #3771a7;
$custom-light: #7a99c1;
$custom-dark: #000000;

JSON

{
  "hex": "#3771a7",
  "rgb": {
    "r": 55,
    "g": 113,
    "b": 167
  },
  "hsl": {
    "h": 208.929,
    "s": 50.45,
    "l": 43.529
  },
  "oklch": {
    "l": 0.53493,
    "c": 0.10468,
    "h": 248.9
  },
  "luminance": 0.15413
}

Semantic roles & 50–950 ramp

primary

#3771A7

secondary

#C09C7A

accent

#914EDA

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #3771A7

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

Preview Lab → · Contrast checker → · Palette generator →