#3B5ECF#3B5ECF

#3B5ECF is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.2% C 0.179 H 267.0°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#3B5ECF
RGB	rgb(59, 94, 207)
HSL	hsl(226, 61%, 52%)
HSV	hsv(226, 71%, 81%)
CMYK	cmyk(71.5%, 54.6%, 0%, 18.8%)
CIE-LAB	lab(43.42, 25.97, -62.17)
CIE-LCH	lch(43.42, 67.38, 292.67°)
OKLab	oklab(52.18% -0.0095 -0.1791)
OKLCH	oklch(52.18% 0.179 267)
XYZ	xyz(17.0649, 13.4384, 60.7139)
Luminance	0.1344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B5ECF #CFAC3B

analogous

#3BA8CF #3B5ECF #623BCF

triadic

#3B5ECF #CF3B5E #5ECF3B

tetradic

#3B5ECF #CF3BA8 #CFAC3B #3BCF62

square

#3B5ECF #CF3BA8 #CFAC3B #3BCF62

split-complementary

#3B5ECF #CF623B #A8CF3B

monochromatic

#1C3173 #2846A5 #3B5ECF #6C86DB #9DAFE7

Accessibility & contrast

On white

5.69

#3B5ECF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#3B5ECF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B5ECF

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B5ECF	#FFFFFF	#000000	##FFFFFF
##3B5ECF	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ED3

Deuteranopia (green-blind)

#0060CD

Tritanopia (blue-blind)

#00798D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3b5ecf;
/* rgb */ color: rgb(59, 94, 207);
/* oklch */ color: oklch(52.2% 0.179 267.0);

Tailwind

colors: {
  custom: {
    50: '#848bde',
    500: '#3b5ecf',
    950: '#000000',
  },
}

SCSS

$custom: #3b5ecf;
$custom-light: #848bde;
$custom-dark: #000000;

JSON

{
  "hex": "#3b5ecf",
  "rgb": {
    "r": 59,
    "g": 94,
    "b": 207
  },
  "hsl": {
    "h": 225.811,
    "s": 60.656,
    "l": 52.157
  },
  "oklch": {
    "l": 0.52179,
    "c": 0.17931,
    "h": 267
  },
  "luminance": 0.1344
}

Semantic roles & 50–950 ramp

primary

#3B5ECF

secondary

#D3C493

accent

#BE44E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3B5ECF

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

Preview Lab → · Contrast checker → · Palette generator →