#3A5BBB#3A5BBB

#3A5BBB is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.0% C 0.156 H 266.5°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#3A5BBB
RGB	rgb(58, 91, 187)
HSL	hsl(225, 53%, 48%)
HSV	hsv(225, 69%, 73%)
CMYK	cmyk(69%, 51.3%, 0%, 26.7%)
CIE-LAB	lab(41.17, 20.47, -54.24)
CIE-LCH	lch(41.17, 57.97, 290.68°)
OKLab	oklab(50.02% -0.0096 -0.1558)
OKLCH	oklch(50.02% 0.156 266.5)
XYZ	xyz(14.4525, 11.9681, 48.5525)
Luminance	0.1197 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A5BBB #BB9A3A

analogous

#3A9BBB #3A5BBB #593ABB

triadic

#3A5BBB #BB3A5B #5BBB3A

tetradic

#3A5BBB #BB3A9B #BB9A3A #3ABB59

square

#3A5BBB #BB3A9B #BB9A3A #3ABB59

split-complementary

#3A5BBB #BB593A #9BBB3A

monochromatic

#1D2E5E #2C448C #3A5BBB #637FCF #92A5DD

Accessibility & contrast

On white

6.19

#3A5BBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#3A5BBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A5BBB

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A5BBB	#FFFFFF	#000000	##FFFFFF
##3A5BBB	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2067BE

Deuteranopia (green-blind)

#005BB9

Tritanopia (blue-blind)

#007282

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3a5bbb;
/* rgb */ color: rgb(58, 91, 187);
/* oklch */ color: oklch(50.0% 0.156 266.5);

Tailwind

colors: {
  custom: {
    50: '#7f88d0',
    500: '#3a5bbb',
    950: '#000000',
  },
}

SCSS

$custom: #3a5bbb;
$custom-light: #7f88d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a5bbb",
  "rgb": {
    "r": 58,
    "g": 91,
    "b": 187
  },
  "hsl": {
    "h": 224.651,
    "s": 52.653,
    "l": 48.039
  },
  "oklch": {
    "l": 0.50019,
    "c": 0.15606,
    "h": 266.5
  },
  "luminance": 0.1197
}

Semantic roles & 50–950 ramp

primary

#3A5BBB

secondary

#C8B888

accent

#B74CDC

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3A5BBB

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

Preview Lab → · Contrast checker → · Palette generator →