#3B5CBB#3B5CBB

#3B5CBB is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.3% C 0.154 H 266.5°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#3B5CBB
RGB	rgb(59, 92, 187)
HSL	hsl(225, 52%, 48%)
HSV	hsv(225, 68%, 73%)
CMYK	cmyk(68.4%, 50.8%, 0%, 26.7%)
CIE-LAB	lab(41.49, 19.98, -53.72)
CIE-LCH	lch(41.49, 57.31, 290.40°)
OKLab	oklab(50.28% -0.0095 -0.1542)
OKLCH	oklch(50.28% 0.155 266.5)
XYZ	xyz(14.5973, 12.1705, 48.5839)
Luminance	0.1217 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B5CBB #BB9A3B

analogous

#3B9CBB #3B5CBB #5A3BBB

triadic

#3B5CBB #BB3B5C #5CBB3B

tetradic

#3B5CBB #BB3B9C #BB9A3B #3BBB5A

square

#3B5CBB #BB3B9C #BB9A3B #3BBB5A

split-complementary

#3B5CBB #BB5A3B #9CBB3B

monochromatic

#1E2E5E #2C458C #3B5CBB #6580CE #93A6DD

Accessibility & contrast

On white

6.11

#3B5CBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#3B5CBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B5CBB

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B5CBB	#FFFFFF	#000000	##FFFFFF
##3B5CBB	1.00	6.11	3.43	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2468BE

Deuteranopia (green-blind)

#005CB9

Tritanopia (blue-blind)

#007283

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3b5cbb;
/* rgb */ color: rgb(59, 92, 187);
/* oklch */ color: oklch(50.3% 0.154 266.5);

Tailwind

colors: {
  custom: {
    50: '#8089d0',
    500: '#3b5cbb',
    950: '#000000',
  },
}

SCSS

$custom: #3b5cbb;
$custom-light: #8089d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b5cbb",
  "rgb": {
    "r": 59,
    "g": 92,
    "b": 187
  },
  "hsl": {
    "h": 224.531,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.50275,
    "c": 0.1545,
    "h": 266.5
  },
  "luminance": 0.12172
}

Semantic roles & 50–950 ramp

primary

#3B5CBB

secondary

#C8B88A

accent

#B74CDB

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3B5CBB

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

Preview Lab → · Contrast checker → · Palette generator →