#3B5CA5#3B5CA5

#3B5CA5 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 48.8% C 0.123 H 264.1°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#3B5CA5
RGB	rgb(59, 92, 165)
HSL	hsl(221, 47%, 44%)
HSV	hsv(221, 64%, 65%)
CMYK	cmyk(64.2%, 44.2%, 0%, 35.3%)
CIE-LAB	lab(40.08, 12.00, -43.02)
CIE-LCH	lch(40.08, 44.66, 285.58°)
OKLab	oklab(48.75% -0.0128 -0.1227)
OKLCH	oklch(48.75% 0.123 264.1)
XYZ	xyz(12.4199, 11.2996, 37.1165)
Luminance	0.1130 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B5CA5 #A5843B

analogous

#3B91A5 #3B5CA5 #4F3BA5

triadic

#3B5CA5 #A53B5C #5CA53B

tetradic

#3B5CA5 #A53B91 #A5843B #3BA54F

square

#3B5CA5 #A53B91 #A5843B #3BA54F

split-complementary

#3B5CA5 #A54F3B #91A53B

monochromatic

#1B2A4B #2B4378 #3B5CA5 #597BC4 #869FD4

Accessibility & contrast

On white

6.44

#3B5CA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#3B5CA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B5CA5

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B5CA5	#FFFFFF	#000000	##FFFFFF
##3B5CA5	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A64A8

Deuteranopia (green-blind)

#295AA3

Tritanopia (blue-blind)

#006D78

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3b5ca5;
/* rgb */ color: rgb(59, 92, 165);
/* oklch */ color: oklch(48.8% 0.123 264.1);

Tailwind

colors: {
  custom: {
    50: '#7b89c0',
    500: '#3b5ca5',
    950: '#000000',
  },
}

SCSS

$custom: #3b5ca5;
$custom-light: #7b89c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b5ca5",
  "rgb": {
    "r": 59,
    "g": 92,
    "b": 165
  },
  "hsl": {
    "h": 221.321,
    "s": 47.321,
    "l": 43.922
  },
  "oklch": {
    "l": 0.4875,
    "c": 0.12341,
    "h": 264.1
  },
  "luminance": 0.11301
}

Semantic roles & 50–950 ramp

primary

#3B5CA5

secondary

#BEAA7E

accent

#AD51D7

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #3B5CA5

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

Preview Lab → · Contrast checker → · Palette generator →