#3989CF#3989CF

#3989CF is a mid, vivid cyan. Relative luminance 0.233; OKLCH L 61.4% C 0.132 H 248.3°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#3989CF
RGB	rgb(57, 137, 207)
HSL	hsl(208, 61%, 52%)
HSV	hsv(208, 72%, 81%)
CMYK	cmyk(72.5%, 33.8%, 0%, 18.8%)
CIE-LAB	lab(55.34, -1.02, -43.08)
CIE-LCH	lch(55.34, 43.09, 268.64°)
OKLab	oklab(61.36% -0.0487 -0.1223)
OKLCH	oklch(61.36% 0.132 248.3)
XYZ	xyz(21.8912, 23.2637, 62.3560)
Luminance	0.2327 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3989CF #CF7F39

analogous

#39CFCA #3989CF #393ECF

triadic

#3989CF #CF3989 #89CF39

tetradic

#3989CF #CA39CF #CF7F39 #3ECF39

square

#3989CF #CA39CF #CF7F39 #3ECF39

split-complementary

#3989CF #CF393E #CFCA39

monochromatic

#1C4A72 #286AA3 #3989CF #6AA6DB #9CC4E7

Accessibility & contrast

On white

3.71

#3989CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.65

#3989CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3989CF

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3989CF	#FFFFFF	#000000	##000000
##3989CF	1.00	3.71	5.65	5.65
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.65	21.00	1.00	1.00
##000000	5.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#698CD2

Deuteranopia (green-blind)

#547ECE

Tritanopia (blue-blind)

#009AA2

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #3989cf;
/* rgb */ color: rgb(57, 137, 207);
/* oklch */ color: oklch(61.4% 0.132 248.3);

Tailwind

colors: {
  custom: {
    50: '#82abde',
    500: '#3989cf',
    950: '#000000',
  },
}

SCSS

$custom: #3989cf;
$custom-light: #82abde;
$custom-dark: #000000;

JSON

{
  "hex": "#3989cf",
  "rgb": {
    "r": 57,
    "g": 137,
    "b": 207
  },
  "hsl": {
    "h": 208,
    "s": 60.976,
    "l": 51.765
  },
  "oklch": {
    "l": 0.6136,
    "c": 0.13167,
    "h": 248.3
  },
  "luminance": 0.23266
}

Semantic roles & 50–950 ramp

primary

#3989CF

secondary

#D3B091

accent

#8F44E4

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3989CF

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

Preview Lab → · Contrast checker → · Palette generator →