#3983BC#3983BC

#3983BC is a mid, moderate cyan. Relative luminance 0.207; OKLCH L 58.9% C 0.114 H 244.9°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#3983BC
RGB	rgb(57, 131, 188)
HSL	hsl(206, 53%, 48%)
HSV	hsv(206, 70%, 74%)
CMYK	cmyk(69.7%, 30.3%, 0%, 26.3%)
CIE-LAB	lab(52.65, -4.20, -36.52)
CIE-LCH	lch(52.65, 36.76, 263.44°)
OKLab	oklab(58.94% -0.0484 -0.1033)
OKLCH	oklch(58.94% 0.114 244.9)
XYZ	xyz(18.8773, 20.7313, 50.5739)
Luminance	0.2073 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3983BC #BC7239

analogous

#39BCB3 #3983BC #3941BC

triadic

#3983BC #BC3983 #83BC39

tetradic

#3983BC #B339BC #BC7239 #41BC39

square

#3983BC #B339BC #BC7239 #41BC39

split-complementary

#3983BC #BC3941 #BCB339

monochromatic

#1D425E #2B628D #3983BC #63A0D0 #92BDDE

Accessibility & contrast

On white

4.08

#3983BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#3983BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3983BC

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3983BC	#FFFFFF	#000000	##000000
##3983BC	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6985BF

Deuteranopia (green-blind)

#5778BB

Tritanopia (blue-blind)

#009197

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3983bc;
/* rgb */ color: rgb(57, 131, 188);
/* oklch */ color: oklch(58.9% 0.114 244.9);

Tailwind

colors: {
  custom: {
    50: '#7fa6d0',
    500: '#3983bc',
    950: '#000000',
  },
}

SCSS

$custom: #3983bc;
$custom-light: #7fa6d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3983bc",
  "rgb": {
    "r": 57,
    "g": 131,
    "b": 188
  },
  "hsl": {
    "h": 206.107,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.58938,
    "c": 0.11406,
    "h": 244.9
  },
  "luminance": 0.20733
}

Semantic roles & 50–950 ramp

primary

#3983BC

secondary

#C9A488

accent

#8A4BDD

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3983BC

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

Preview Lab → · Contrast checker → · Palette generator →