#3A5BB2#3A5BB2

#3A5BB2 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.4% C 0.143 H 265.8°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#3A5BB2
RGB	rgb(58, 91, 178)
HSL	hsl(224, 51%, 46%)
HSV	hsv(224, 67%, 70%)
CMYK	cmyk(67.4%, 48.9%, 0%, 30.2%)
CIE-LAB	lab(40.56, 17.19, -49.93)
CIE-LCH	lch(40.56, 52.80, 288.99°)
OKLab	oklab(49.37% -0.0106 -0.1431)
OKLCH	oklch(49.37% 0.143 265.8)
XYZ	xyz(13.5191, 11.5948, 43.6364)
Luminance	0.1160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A5BB2 #B2913A

analogous

#3A97B2 #3A5BB2 #553AB2

triadic

#3A5BB2 #B23A5B #5BB23A

tetradic

#3A5BB2 #B23A97 #B2913A #3AB255

square

#3A5BB2 #B23A97 #B2913A #3AB255

split-complementary

#3A5BB2 #B2553A #97B23A

monochromatic

#1C2C56 #2B4384 #3A5BB2 #5F7CCB #8DA2DA

Accessibility & contrast

On white

6.33

#3A5BB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#3A5BB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A5BB2

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A5BB2	#FFFFFF	#000000	##FFFFFF
##3A5BB2	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C65B5

Deuteranopia (green-blind)

#0D5AB0

Tritanopia (blue-blind)

#006F7E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3a5bb2;
/* rgb */ color: rgb(58, 91, 178);
/* oklch */ color: oklch(49.4% 0.143 265.8);

Tailwind

colors: {
  custom: {
    50: '#7e88ca',
    500: '#3a5bb2',
    950: '#000000',
  },
}

SCSS

$custom: #3a5bb2;
$custom-light: #7e88ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3a5bb2",
  "rgb": {
    "r": 58,
    "g": 91,
    "b": 178
  },
  "hsl": {
    "h": 223.5,
    "s": 50.847,
    "l": 46.275
  },
  "oklch": {
    "l": 0.4937,
    "c": 0.14349,
    "h": 265.8
  },
  "luminance": 0.11596
}

Semantic roles & 50–950 ramp

primary

#3A5BB2

secondary

#C4B283

accent

#B44DDA

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3A5BB2

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

Preview Lab → · Contrast checker → · Palette generator →