#3F7ABA#3F7ABA

#3F7ABA is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 57.0% C 0.117 H 252.2°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#3F7ABA
RGB	rgb(63, 122, 186)
HSL	hsl(211, 49%, 49%)
HSV	hsv(211, 66%, 73%)
CMYK	cmyk(66.1%, 34.4%, 0%, 27.1%)
CIE-LAB	lab(50.12, 1.43, -39.35)
CIE-LCH	lch(50.12, 39.37, 272.09°)
OKLab	oklab(56.97% -0.0358 -0.1115)
OKLCH	oklch(56.97% 0.117 252.2)
XYZ	xyz(17.8691, 18.5192, 49.0777)
Luminance	0.1852 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7ABA #BA7F3F

analogous

#3FB8BA #3F7ABA #423FBA

triadic

#3F7ABA #BA3F7A #7ABA3F

tetradic

#3F7ABA #BA3FB8 #BA7F3F #3FBA42

square

#3F7ABA #BA3FB8 #BA7F3F #3FBA42

split-complementary

#3F7ABA #BA423F #B8BA3F

monochromatic

#203E5F #305C8C #3F7ABA #6A99CC #97B8DC

Accessibility & contrast

On white

4.46

#3F7ABA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#3F7ABA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7ABA

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7ABA	#FFFFFF	#000000	##000000
##3F7ABA	1.00	4.46	4.70	4.70
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E7EBD

Deuteranopia (green-blind)

#4D72B9

Tritanopia (blue-blind)

#008991

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3f7aba;
/* rgb */ color: rgb(63, 122, 186);
/* oklch */ color: oklch(57.0% 0.117 252.2);

Tailwind

colors: {
  custom: {
    50: '#81a0cf',
    500: '#3f7aba',
    950: '#000000',
  },
}

SCSS

$custom: #3f7aba;
$custom-light: #81a0cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7aba",
  "rgb": {
    "r": 63,
    "g": 122,
    "b": 186
  },
  "hsl": {
    "h": 211.22,
    "s": 49.398,
    "l": 48.824
  },
  "oklch": {
    "l": 0.56973,
    "c": 0.11713,
    "h": 252.2
  },
  "luminance": 0.18521
}

Semantic roles & 50–950 ramp

primary

#3F7ABA

secondary

#C8AC8D

accent

#974FD9

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3F7ABA

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

Preview Lab → · Contrast checker → · Palette generator →