#3980B0#3980B0

#3980B0 is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.6% C 0.102 H 241.3°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#3980B0
RGB	rgb(57, 128, 176)
HSL	hsl(204, 51%, 46%)
HSV	hsv(204, 68%, 69%)
CMYK	cmyk(67.6%, 27.3%, 0%, 31%)
CIE-LAB	lab(51.20, -6.62, -31.90)
CIE-LCH	lch(51.20, 32.58, 258.28°)
OKLab	oklab(57.6% -0.0492 -0.0899)
OKLCH	oklch(57.6% 0.102 241.3)
XYZ	xyz(17.2400, 19.4410, 43.9098)
Luminance	0.1944 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3980B0 #B06939

analogous

#39B0A4 #3980B0 #3944B0

triadic

#3980B0 #B03980 #80B039

tetradic

#3980B0 #A439B0 #B06939 #44B039

square

#3980B0 #A439B0 #B06939 #44B039

split-complementary

#3980B0 #B03944 #B0A439

monochromatic

#1B3D54 #2A5E82 #3980B0 #5C9ECA #8AB9D9

Accessibility & contrast

On white

4.30

#3980B0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#3980B0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3980B0

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3980B0	#FFFFFF	#000000	##000000
##3980B0	1.00	4.30	4.89	4.89
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A80B2

Deuteranopia (green-blind)

#5A75AF

Tritanopia (blue-blind)

#008C91

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3980b0;
/* rgb */ color: rgb(57, 128, 176);
/* oklch */ color: oklch(57.6% 0.102 241.3);

Tailwind

colors: {
  custom: {
    50: '#7da4c8',
    500: '#3980b0',
    950: '#000000',
  },
}

SCSS

$custom: #3980b0;
$custom-light: #7da4c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3980b0",
  "rgb": {
    "r": 57,
    "g": 128,
    "b": 176
  },
  "hsl": {
    "h": 204.202,
    "s": 51.073,
    "l": 45.686
  },
  "oklch": {
    "l": 0.57604,
    "c": 0.10247,
    "h": 241.3
  },
  "luminance": 0.19443
}

Semantic roles & 50–950 ramp

primary

#3980B0

secondary

#C49C81

accent

#864DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3980B0

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

Preview Lab → · Contrast checker → · Palette generator →