#3977A3#3977A3

#3977A3 is a mid, moderate cyan. Relative luminance 0.167; OKLCH L 54.8% C 0.094 H 242.1°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#3977A3
RGB	rgb(57, 119, 163)
HSL	hsl(205, 48%, 43%)
HSV	hsv(205, 65%, 64%)
CMYK	cmyk(65%, 27%, 0%, 36.1%)
CIE-LAB	lab(47.89, -5.82, -29.52)
CIE-LCH	lch(47.89, 30.09, 258.84°)
OKLab	oklab(54.79% -0.0439 -0.0831)
OKLCH	oklch(54.79% 0.094 242.1)
XYZ	xyz(14.8925, 16.7064, 37.0830)
Luminance	0.1671 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3977A3 #A36539

analogous

#39A39A #3977A3 #3942A3

triadic

#3977A3 #A33977 #77A339

tetradic

#3977A3 #9A39A3 #A36539 #42A339

square

#3977A3 #9A39A3 #A36539 #42A339

split-complementary

#3977A3 #A33942 #A39A39

monochromatic

#193548 #295676 #3977A3 #5596C4 #83B2D4

Accessibility & contrast

On white

4.84

#3977A3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#3977A3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3977A3

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3977A3	#FFFFFF	#000000	##FFFFFF
##3977A3	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6377A5

Deuteranopia (green-blind)

#556DA2

Tritanopia (blue-blind)

#008286

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3977a3;
/* rgb */ color: rgb(57, 119, 163);
/* oklch */ color: oklch(54.8% 0.094 242.1);

Tailwind

colors: {
  custom: {
    50: '#7a9ebe',
    500: '#3977a3',
    950: '#000000',
  },
}

SCSS

$custom: #3977a3;
$custom-light: #7a9ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#3977a3",
  "rgb": {
    "r": 57,
    "g": 119,
    "b": 163
  },
  "hsl": {
    "h": 204.906,
    "s": 48.182,
    "l": 43.137
  },
  "oklch": {
    "l": 0.54788,
    "c": 0.09397,
    "h": 242.1
  },
  "luminance": 0.16708
}

Semantic roles & 50–950 ramp

primary

#3977A3

secondary

#BD967A

accent

#8850D8

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3977A3

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

Preview Lab → · Contrast checker → · Palette generator →