#356ABB#356ABB

#356ABB is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.0% C 0.139 H 258.7°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#356ABB
RGB	rgb(53, 106, 187)
HSL	hsl(216, 56%, 47%)
HSV	hsv(216, 72%, 73%)
CMYK	cmyk(71.7%, 43.3%, 0%, 26.7%)
CIE-LAB	lab(45.15, 10.10, -47.84)
CIE-LCH	lch(45.15, 48.90, 281.92°)
OKLab	oklab(53.02% -0.0272 -0.1368)
OKLCH	oklch(53.02% 0.139 258.7)
XYZ	xyz(15.5886, 14.6511, 49.0105)
Luminance	0.1465 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356ABB #BB8635

analogous

#35ADBB #356ABB #4335BB

triadic

#356ABB #BB356A #6ABB35

tetradic

#356ABB #BB35AD #BB8635 #35BB43

square

#356ABB #BB35AD #BB8635 #35BB43

split-complementary

#356ABB #BB4335 #ADBB35

monochromatic

#1A345C #274F8B #356ABB #5C8AD1 #8CADDE

Accessibility & contrast

On white

5.34

#356ABB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#356ABB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356ABB

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356ABB	#FFFFFF	#000000	##FFFFFF
##356ABB	1.00	5.34	3.93	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4372BE

Deuteranopia (green-blind)

#2B65B9

Tritanopia (blue-blind)

#007D89

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #356abb;
/* rgb */ color: rgb(53, 106, 187);
/* oklch */ color: oklch(53.0% 0.139 258.7);

Tailwind

colors: {
  custom: {
    50: '#7d94d0',
    500: '#356abb',
    950: '#000000',
  },
}

SCSS

$custom: #356abb;
$custom-light: #7d94d0;
$custom-dark: #000000;

JSON

{
  "hex": "#356abb",
  "rgb": {
    "r": 53,
    "g": 106,
    "b": 187
  },
  "hsl": {
    "h": 216.269,
    "s": 55.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.53016,
    "c": 0.13947,
    "h": 258.7
  },
  "luminance": 0.14653
}

Semantic roles & 50–950 ramp

primary

#356ABB

secondary

#C9AD83

accent

#A449DF

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #356ABB

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

Preview Lab → · Contrast checker → · Palette generator →