#3977A5#3977A5

#3977A5 is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 54.9% C 0.096 H 243.3°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#3977A5
RGB	rgb(57, 119, 165)
HSL	hsl(206, 49%, 44%)
HSV	hsv(206, 65%, 65%)
CMYK	cmyk(65.5%, 27.9%, 0%, 35.3%)
CIE-LAB	lab(47.98, -5.14, -30.54)
CIE-LCH	lch(47.98, 30.97, 260.46°)
OKLab	oklab(54.89% -0.0433 -0.086)
OKLCH	oklch(54.89% 0.096 243.3)
XYZ	xyz(15.0731, 16.7786, 38.0342)
Luminance	0.1678 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3977A5 #A56739

analogous

#39A59D #3977A5 #3941A5

triadic

#3977A5 #A53977 #77A539

tetradic

#3977A5 #9D39A5 #A56739 #41A539

square

#3977A5 #9D39A5 #A56739 #41A539

split-complementary

#3977A5 #A53941 #A59D39

monochromatic

#1A354A #295678 #3977A5 #5696C5 #84B2D4

Accessibility & contrast

On white

4.82

#3977A5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#3977A5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3977A5

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3977A5	#FFFFFF	#000000	##FFFFFF
##3977A5	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6278A7

Deuteranopia (green-blind)

#546DA4

Tritanopia (blue-blind)

#008287

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3977a5;
/* rgb */ color: rgb(57, 119, 165);
/* oklch */ color: oklch(54.9% 0.096 243.3);

Tailwind

colors: {
  custom: {
    50: '#7b9ec0',
    500: '#3977a5',
    950: '#000000',
  },
}

SCSS

$custom: #3977a5;
$custom-light: #7b9ec0;
$custom-dark: #000000;

JSON

{
  "hex": "#3977a5",
  "rgb": {
    "r": 57,
    "g": 119,
    "b": 165
  },
  "hsl": {
    "h": 205.556,
    "s": 48.649,
    "l": 43.529
  },
  "oklch": {
    "l": 0.54891,
    "c": 0.0963,
    "h": 243.3
  },
  "luminance": 0.1678
}

Semantic roles & 50–950 ramp

primary

#3977A5

secondary

#BE987B

accent

#8A50D8

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3977A5

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

Preview Lab → · Contrast checker → · Palette generator →