#3A5BB7#3A5BB7

#3A5BB7 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.7% C 0.150 H 266.2°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#3A5BB7
RGB	rgb(58, 91, 183)
HSL	hsl(224, 52%, 47%)
HSV	hsv(224, 68%, 72%)
CMYK	cmyk(68.3%, 50.3%, 0%, 28.2%)
CIE-LAB	lab(40.90, 19.01, -52.33)
CIE-LCH	lch(40.90, 55.68, 289.96°)
OKLab	oklab(49.73% -0.01 -0.1502)
OKLCH	oklch(49.73% 0.15 266.2)
XYZ	xyz(14.0303, 11.7992, 46.3286)
Luminance	0.1180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A5BB7 #B7963A

analogous

#3A9AB7 #3A5BB7 #583AB7

triadic

#3A5BB7 #B73A5B #5BB73A

tetradic

#3A5BB7 #B73A9A #B7963A #3AB758

square

#3A5BB7 #B73A9A #B7963A #3AB758

split-complementary

#3A5BB7 #B7583A #9AB73A

monochromatic

#1D2D5A #2B4489 #3A5BB7 #617ECD #90A4DC

Accessibility & contrast

On white

6.25

#3A5BB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#3A5BB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A5BB7

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A5BB7	#FFFFFF	#000000	##FFFFFF
##3A5BB7	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2666BA

Deuteranopia (green-blind)

#005BB5

Tritanopia (blue-blind)

#007180

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3a5bb7;
/* rgb */ color: rgb(58, 91, 183);
/* oklch */ color: oklch(49.7% 0.150 266.2);

Tailwind

colors: {
  custom: {
    50: '#7e88cd',
    500: '#3a5bb7',
    950: '#000000',
  },
}

SCSS

$custom: #3a5bb7;
$custom-light: #7e88cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3a5bb7",
  "rgb": {
    "r": 58,
    "g": 91,
    "b": 183
  },
  "hsl": {
    "h": 224.16,
    "s": 51.867,
    "l": 47.255
  },
  "oklch": {
    "l": 0.49728,
    "c": 0.15049,
    "h": 266.2
  },
  "luminance": 0.11801
}

Semantic roles & 50–950 ramp

primary

#3A5BB7

secondary

#C7B686

accent

#B64CDB

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3A5BB7

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

Preview Lab → · Contrast checker → · Palette generator →