#3A6CB3#3A6CB3

#3A6CB3 is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.2% C 0.124 H 257.4°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#3A6CB3
RGB	rgb(58, 108, 179)
HSL	hsl(215, 51%, 46%)
HSV	hsv(215, 68%, 70%)
CMYK	cmyk(67.6%, 39.7%, 0%, 29.8%)
CIE-LAB	lab(45.47, 6.70, -42.68)
CIE-LCH	lch(45.47, 43.20, 278.92°)
OKLab	oklab(53.16% -0.0271 -0.1215)
OKLCH	oklch(53.16% 0.125 257.4)
XYZ	xyz(15.2412, 14.8778, 44.7076)
Luminance	0.1488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A6CB3 #B3813A

analogous

#3AA9B3 #3A6CB3 #453AB3

triadic

#3A6CB3 #B33A6C #6CB33A

tetradic

#3A6CB3 #B33AA9 #B3813A #3AB345

square

#3A6CB3 #B33AA9 #B3813A #3AB345

split-complementary

#3A6CB3 #B3453A #A9B33A

monochromatic

#1C3457 #2B5085 #3A6CB3 #5F8CCB #8DADDA

Accessibility & contrast

On white

5.28

#3A6CB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#3A6CB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A6CB3

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A6CB3	#FFFFFF	#000000	##FFFFFF
##3A6CB3	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C72B6

Deuteranopia (green-blind)

#3A66B2

Tritanopia (blue-blind)

#007C87

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3a6cb3;
/* rgb */ color: rgb(58, 108, 179);
/* oklch */ color: oklch(53.2% 0.124 257.4);

Tailwind

colors: {
  custom: {
    50: '#7d95ca',
    500: '#3a6cb3',
    950: '#000000',
  },
}

SCSS

$custom: #3a6cb3;
$custom-light: #7d95ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3a6cb3",
  "rgb": {
    "r": 58,
    "g": 108,
    "b": 179
  },
  "hsl": {
    "h": 215.207,
    "s": 51.055,
    "l": 46.471
  },
  "oklch": {
    "l": 0.53165,
    "c": 0.1245,
    "h": 257.4
  },
  "luminance": 0.14879
}

Semantic roles & 50–950 ramp

primary

#3A6CB3

secondary

#C5AA84

accent

#A04DDB

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #3A6CB3

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

Preview Lab → · Contrast checker → · Palette generator →