#3977A7#3977A7

#3977A7 is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 55.0% C 0.099 H 244.4°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#3977A7
RGB	rgb(57, 119, 167)
HSL	hsl(206, 49%, 44%)
HSV	hsv(206, 66%, 65%)
CMYK	cmyk(65.9%, 28.7%, 0%, 34.5%)
CIE-LAB	lab(48.07, -4.44, -31.57)
CIE-LCH	lch(48.07, 31.88, 261.99°)
OKLab	oklab(55% -0.0426 -0.089)
OKLCH	oklch(55% 0.099 244.4)
XYZ	xyz(15.2566, 16.8520, 39.0004)
Luminance	0.1685 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3977A7 #A76939

analogous

#39A7A0 #3977A7 #3940A7

triadic

#3977A7 #A73977 #77A739

tetradic

#3977A7 #A039A7 #A76939 #40A739

square

#3977A7 #A039A7 #A76939 #40A739

split-complementary

#3977A7 #A73940 #A7A039

monochromatic

#1A364C #295679 #3977A7 #5796C6 #85B2D5

Accessibility & contrast

On white

4.80

#3977A7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#3977A7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3977A7

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3977A7	#FFFFFF	#000000	##FFFFFF
##3977A7	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6278A9

Deuteranopia (green-blind)

#536DA6

Tritanopia (blue-blind)

#008388

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3977a7;
/* rgb */ color: rgb(57, 119, 167);
/* oklch */ color: oklch(55.0% 0.099 244.4);

Tailwind

colors: {
  custom: {
    50: '#7b9ec1',
    500: '#3977a7',
    950: '#000000',
  },
}

SCSS

$custom: #3977a7;
$custom-light: #7b9ec1;
$custom-dark: #000000;

JSON

{
  "hex": "#3977a7",
  "rgb": {
    "r": 57,
    "g": 119,
    "b": 167
  },
  "hsl": {
    "h": 206.182,
    "s": 49.107,
    "l": 43.922
  },
  "oklch": {
    "l": 0.54995,
    "c": 0.09867,
    "h": 244.4
  },
  "luminance": 0.16854
}

Semantic roles & 50–950 ramp

primary

#3977A7

secondary

#BF9A7D

accent

#8B4FD9

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3977A7

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

Preview Lab → · Contrast checker → · Palette generator →