#3980B1#3980B1

#3980B1 is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.7% C 0.104 H 241.9°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#3980B1
RGB	rgb(57, 128, 177)
HSL	hsl(205, 51%, 46%)
HSV	hsv(205, 68%, 69%)
CMYK	cmyk(67.8%, 27.7%, 0%, 30.6%)
CIE-LAB	lab(51.24, -6.27, -32.41)
CIE-LCH	lch(51.24, 33.01, 259.04°)
OKLab	oklab(57.66% -0.0489 -0.0914)
OKLCH	oklch(57.66% 0.104 241.9)
XYZ	xyz(17.3393, 19.4807, 44.4328)
Luminance	0.1948 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3980B1 #B16A39

analogous

#39B1A6 #3980B1 #3944B1

triadic

#3980B1 #B13980 #80B139

tetradic

#3980B1 #A639B1 #B16A39 #44B139

square

#3980B1 #A639B1 #B16A39 #44B139

split-complementary

#3980B1 #B13944 #B1A639

monochromatic

#1B3D54 #2A5F83 #3980B1 #5D9ECB #8BB9DA

Accessibility & contrast

On white

4.29

#3980B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#3980B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3980B1

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3980B1	#FFFFFF	#000000	##000000
##3980B1	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A81B3

Deuteranopia (green-blind)

#5975B0

Tritanopia (blue-blind)

#008C91

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3980b1;
/* rgb */ color: rgb(57, 128, 177);
/* oklch */ color: oklch(57.7% 0.104 241.9);

Tailwind

colors: {
  custom: {
    50: '#7da4c8',
    500: '#3980b1',
    950: '#000000',
  },
}

SCSS

$custom: #3980b1;
$custom-light: #7da4c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3980b1",
  "rgb": {
    "r": 57,
    "g": 128,
    "b": 177
  },
  "hsl": {
    "h": 204.5,
    "s": 51.282,
    "l": 45.882
  },
  "oklch": {
    "l": 0.57655,
    "c": 0.10361,
    "h": 241.9
  },
  "luminance": 0.19483
}

Semantic roles & 50–950 ramp

primary

#3980B1

secondary

#C49D82

accent

#874DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3980B1

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

Preview Lab → · Contrast checker → · Palette generator →