#3B5CA3#3B5CA3

#3B5CA3 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.6% C 0.121 H 263.7°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#3B5CA3
RGB	rgb(59, 92, 163)
HSL	hsl(221, 47%, 44%)
HSV	hsv(221, 64%, 64%)
CMYK	cmyk(63.8%, 43.6%, 0%, 36.1%)
CIE-LAB	lab(39.96, 11.28, -42.02)
CIE-LCH	lch(39.96, 43.51, 285.02°)
OKLab	oklab(48.62% -0.0131 -0.1198)
OKLCH	oklch(48.62% 0.121 263.7)
XYZ	xyz(12.2393, 11.2273, 36.1653)
Luminance	0.1123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B5CA3 #A3823B

analogous

#3B90A3 #3B5CA3 #4E3BA3

triadic

#3B5CA3 #A33B5C #5CA33B

tetradic

#3B5CA3 #A33B90 #A3823B #3BA34E

square

#3B5CA3 #A33B90 #A3823B #3BA34E

split-complementary

#3B5CA3 #A34E3B #90A33B

monochromatic

#1A2949 #2B4376 #3B5CA3 #587AC3 #859ED3

Accessibility & contrast

On white

6.47

#3B5CA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#3B5CA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B5CA3

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B5CA3	#FFFFFF	#000000	##FFFFFF
##3B5CA3	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B63A6

Deuteranopia (green-blind)

#2C5AA2

Tritanopia (blue-blind)

#006C77

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3b5ca3;
/* rgb */ color: rgb(59, 92, 163);
/* oklch */ color: oklch(48.6% 0.121 263.7);

Tailwind

colors: {
  custom: {
    50: '#7b89bf',
    500: '#3b5ca3',
    950: '#000000',
  },
}

SCSS

$custom: #3b5ca3;
$custom-light: #7b89bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3b5ca3",
  "rgb": {
    "r": 59,
    "g": 92,
    "b": 163
  },
  "hsl": {
    "h": 220.962,
    "s": 46.847,
    "l": 43.529
  },
  "oklch": {
    "l": 0.48619,
    "c": 0.12054,
    "h": 263.7
  },
  "luminance": 0.11228
}

Semantic roles & 50–950 ramp

primary

#3B5CA3

secondary

#BDA97D

accent

#AC51D6

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #3B5CA3

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

Preview Lab → · Contrast checker → · Palette generator →