#3A5CBB#3A5CBB

#3A5CBB is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.2% C 0.155 H 266.1°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#3A5CBB
RGB	rgb(58, 92, 187)
HSL	hsl(224, 53%, 48%)
HSV	hsv(224, 69%, 73%)
CMYK	cmyk(69%, 50.8%, 0%, 26.7%)
CIE-LAB	lab(41.44, 19.82, -53.80)
CIE-LCH	lch(41.44, 57.33, 290.23°)
OKLab	oklab(50.23% -0.0104 -0.1544)
OKLCH	oklch(50.23% 0.155 266.1)
XYZ	xyz(14.5386, 12.1402, 48.5812)
Luminance	0.1214 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A5CBB #BB993A

analogous

#3A9CBB #3A5CBB #583ABB

triadic

#3A5CBB #BB3A5C #5CBB3A

tetradic

#3A5CBB #BB3A9C #BB993A #3ABB58

square

#3A5CBB #BB3A9C #BB993A #3ABB58

split-complementary

#3A5CBB #BB583A #9CBB3A

monochromatic

#1D2E5E #2C458C #3A5CBB #6380CF #92A6DD

Accessibility & contrast

On white

6.13

#3A5CBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#3A5CBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A5CBB

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A5CBB	#FFFFFF	#000000	##FFFFFF
##3A5CBB	1.00	6.13	3.43	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.13	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: #3a5cbb;
/* rgb */ color: rgb(58, 92, 187);
/* oklch */ color: oklch(50.2% 0.155 266.1);

Tailwind

colors: {
  custom: {
    50: '#7f89d0',
    500: '#3a5cbb',
    950: '#000000',
  },
}

SCSS

$custom: #3a5cbb;
$custom-light: #7f89d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a5cbb",
  "rgb": {
    "r": 58,
    "g": 92,
    "b": 187
  },
  "hsl": {
    "h": 224.186,
    "s": 52.653,
    "l": 48.039
  },
  "oklch": {
    "l": 0.50226,
    "c": 0.1548,
    "h": 266.1
  },
  "luminance": 0.12142
}

Semantic roles & 50–950 ramp

primary

#3A5CBB

secondary

#C8B788

accent

#B64CDC

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3A5CBB

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

Preview Lab → · Contrast checker → · Palette generator →