#3A5DAB#3A5DAB

#3A5DAB is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.3% C 0.131 H 264.0°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#3A5DAB
RGB	rgb(58, 93, 171)
HSL	hsl(221, 49%, 45%)
HSV	hsv(221, 66%, 67%)
CMYK	cmyk(66.1%, 45.6%, 0%, 32.9%)
CIE-LAB	lab(40.68, 13.34, -45.61)
CIE-LCH	lch(40.68, 47.53, 286.31°)
OKLab	oklab(49.32% -0.0136 -0.1304)
OKLCH	oklch(49.32% 0.131 264)
XYZ	xyz(13.0074, 11.6673, 40.0867)
Luminance	0.1167 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A5DAB #AB883A

analogous

#3A96AB #3A5DAB #503AAB

triadic

#3A5DAB #AB3A5D #5DAB3A

tetradic

#3A5DAB #AB3A96 #AB883A #3AAB50

square

#3A5DAB #AB3A96 #AB883A #3AAB50

split-complementary

#3A5DAB #AB503A #96AB3A

monochromatic

#1B2B50 #2A447D #3A5DAB #5B7CC7 #89A1D7

Accessibility & contrast

On white

6.30

#3A5DAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#3A5DAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A5DAB

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A5DAB	#FFFFFF	#000000	##FFFFFF
##3A5DAB	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3765AE

Deuteranopia (green-blind)

#235BA9

Tritanopia (blue-blind)

#006F7B

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3a5dab;
/* rgb */ color: rgb(58, 93, 171);
/* oklch */ color: oklch(49.3% 0.131 264.0);

Tailwind

colors: {
  custom: {
    50: '#7c8ac4',
    500: '#3a5dab',
    950: '#000000',
  },
}

SCSS

$custom: #3a5dab;
$custom-light: #7c8ac4;
$custom-dark: #000000;

JSON

{
  "hex": "#3a5dab",
  "rgb": {
    "r": 58,
    "g": 93,
    "b": 171
  },
  "hsl": {
    "h": 221.416,
    "s": 49.345,
    "l": 44.902
  },
  "oklch": {
    "l": 0.49317,
    "c": 0.13108,
    "h": 264
  },
  "luminance": 0.11669
}

Semantic roles & 50–950 ramp

primary

#3A5DAB

secondary

#C1AD80

accent

#AE4FD9

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3A5DAB

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

Preview Lab → · Contrast checker → · Palette generator →