#3A75CA#3A75CA

#3A75CA is a mid, vivid blue. Relative luminance 0.179; OKLCH L 56.6% C 0.145 H 257.8°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#3A75CA
RGB	rgb(58, 117, 202)
HSL	hsl(215, 58%, 51%)
HSV	hsv(215, 71%, 79%)
CMYK	cmyk(71.3%, 42.1%, 0%, 20.8%)
CIE-LAB	lab(49.36, 9.43, -49.75)
CIE-LCH	lch(49.36, 50.64, 280.73°)
OKLab	oklab(56.61% -0.0307 -0.1421)
OKLCH	oklch(56.61% 0.145 257.8)
XYZ	xyz(18.7630, 17.8844, 58.3288)
Luminance	0.1789 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A75CA #CA8F3A

analogous

#3ABDCA #3A75CA #473ACA

triadic

#3A75CA #CA3A75 #75CA3A

tetradic

#3A75CA #CA3ABD #CA8F3A #3ACA47

square

#3A75CA #CA3ABD #CA8F3A #3ACA47

split-complementary

#3A75CA #CA473A #BDCA3A

monochromatic

#1D3E6C #2A599D #3A75CA #6A97D7 #9AB9E4

Accessibility & contrast

On white

4.59

#3A75CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#3A75CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3A75CA

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A75CA	#FFFFFF	#000000	##FFFFFF
##3A75CA	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C7DCD

Deuteranopia (green-blind)

#346FC8

Tritanopia (blue-blind)

#008995

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3a75ca;
/* rgb */ color: rgb(58, 117, 202);
/* oklch */ color: oklch(56.6% 0.145 257.8);

Tailwind

colors: {
  custom: {
    50: '#819cda',
    500: '#3a75ca',
    950: '#000000',
  },
}

SCSS

$custom: #3a75ca;
$custom-light: #819cda;
$custom-dark: #000000;

JSON

{
  "hex": "#3a75ca",
  "rgb": {
    "r": 58,
    "g": 117,
    "b": 202
  },
  "hsl": {
    "h": 215.417,
    "s": 57.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.56606,
    "c": 0.14543,
    "h": 257.8
  },
  "luminance": 0.17886
}

Semantic roles & 50–950 ramp

primary

#3A75CA

secondary

#D0B690

accent

#A247E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3A75CA

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

Preview Lab → · Contrast checker → · Palette generator →