#3F62BA#3F62BA

#3F62BA is a mid, vivid blue. Relative luminance 0.133; OKLCH L 51.7% C 0.144 H 265.4°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#3F62BA
RGB	rgb(63, 98, 186)
HSL	hsl(223, 49%, 49%)
HSV	hsv(223, 66%, 73%)
CMYK	cmyk(66.1%, 47.3%, 0%, 27.1%)
CIE-LAB	lab(43.26, 16.40, -50.26)
CIE-LCH	lch(43.26, 52.87, 288.08°)
OKLab	oklab(51.66% -0.0117 -0.1439)
OKLCH	oklch(51.66% 0.144 265.4)
XYZ	xyz(15.2774, 13.3358, 48.2138)
Luminance	0.1334 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F62BA #BA973F

analogous

#3FA0BA #3F62BA #5A3FBA

triadic

#3F62BA #BA3F62 #62BA3F

tetradic

#3F62BA #BA3FA0 #BA973F #3FBA5A

square

#3F62BA #BA3FA0 #BA973F #3FBA5A

split-complementary

#3F62BA #BA5A3F #A0BA3F

monochromatic

#20325F #304A8C #3F62BA #6A86CC #97ABDC

Accessibility & contrast

On white

5.73

#3F62BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#3F62BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F62BA

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F62BA	#FFFFFF	#000000	##FFFFFF
##3F62BA	1.00	5.73	3.67	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#356CBD

Deuteranopia (green-blind)

#1C61B8

Tritanopia (blue-blind)

#007685

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3f62ba;
/* rgb */ color: rgb(63, 98, 186);
/* oklch */ color: oklch(51.7% 0.144 265.4);

Tailwind

colors: {
  custom: {
    50: '#818ecf',
    500: '#3f62ba',
    950: '#000000',
  },
}

SCSS

$custom: #3f62ba;
$custom-light: #818ecf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f62ba",
  "rgb": {
    "r": 63,
    "g": 98,
    "b": 186
  },
  "hsl": {
    "h": 222.927,
    "s": 49.398,
    "l": 48.824
  },
  "oklch": {
    "l": 0.51663,
    "c": 0.14433,
    "h": 265.4
  },
  "luminance": 0.13337
}

Semantic roles & 50–950 ramp

primary

#3F62BA

secondary

#C8B78D

accent

#B24FD9

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3F62BA

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

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