#3A5ECF#3A5ECF

#3A5ECF is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.1% C 0.180 H 266.7°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#3A5ECF
RGB	rgb(58, 94, 207)
HSL	hsl(226, 61%, 52%)
HSV	hsv(226, 72%, 81%)
CMYK	cmyk(72%, 54.6%, 0%, 18.8%)
CIE-LAB	lab(43.37, 25.83, -62.25)
CIE-LCH	lch(43.37, 67.40, 292.54°)
OKLab	oklab(52.13% -0.0104 -0.1793)
OKLCH	oklch(52.13% 0.18 266.7)
XYZ	xyz(17.0062, 13.4082, 60.7112)
Luminance	0.1341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A5ECF #CFAB3A

analogous

#3AA9CF #3A5ECF #613ACF

triadic

#3A5ECF #CF3A5E #5ECF3A

tetradic

#3A5ECF #CF3AA9 #CFAB3A #3ACF61

square

#3A5ECF #CF3AA9 #CFAB3A #3ACF61

split-complementary

#3A5ECF #CF613A #A9CF3A

monochromatic

#1C3173 #2846A4 #3A5ECF #6B86DB #9CAEE7

Accessibility & contrast

On white

5.70

#3A5ECF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#3A5ECF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A5ECF

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A5ECF	#FFFFFF	#000000	##FFFFFF
##3A5ECF	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ED3

Deuteranopia (green-blind)

#0060CD

Tritanopia (blue-blind)

#007A8D

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3a5ecf;
/* rgb */ color: rgb(58, 94, 207);
/* oklch */ color: oklch(52.1% 0.180 266.7);

Tailwind

colors: {
  custom: {
    50: '#838bde',
    500: '#3a5ecf',
    950: '#000000',
  },
}

SCSS

$custom: #3a5ecf;
$custom-light: #838bde;
$custom-dark: #000000;

JSON

{
  "hex": "#3a5ecf",
  "rgb": {
    "r": 58,
    "g": 94,
    "b": 207
  },
  "hsl": {
    "h": 225.503,
    "s": 60.816,
    "l": 51.961
  },
  "oklch": {
    "l": 0.52133,
    "c": 0.17959,
    "h": 266.7
  },
  "luminance": 0.1341
}

Semantic roles & 50–950 ramp

primary

#3A5ECF

secondary

#D3C392

accent

#BD44E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3A5ECF

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

Preview Lab → · Contrast checker → · Palette generator →