#356AB7#356AB7

#356AB7 is a mid, vivid blue. Relative luminance 0.145; OKLCH L 52.8% C 0.134 H 257.9°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#356AB7
RGB	rgb(53, 106, 183)
HSL	hsl(216, 55%, 46%)
HSV	hsv(216, 71%, 72%)
CMYK	cmyk(71%, 42.1%, 0%, 28.2%)
CIE-LAB	lab(44.92, 8.63, -45.89)
CIE-LCH	lch(44.92, 46.70, 280.64°)
OKLab	oklab(52.76% -0.028 -0.1311)
OKLCH	oklch(52.76% 0.134 257.9)
XYZ	xyz(15.1664, 14.4822, 46.7866)
Luminance	0.1448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356AB7 #B78235

analogous

#35ABB7 #356AB7 #4135B7

triadic

#356AB7 #B7356A #6AB735

tetradic

#356AB7 #B735AB #B78235 #35B741

square

#356AB7 #B735AB #B78235 #35B741

split-complementary

#356AB7 #B74135 #ABB735

monochromatic

#1A3358 #274F88 #356AB7 #5A8ACF #89ABDD

Accessibility & contrast

On white

5.39

#356AB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#356AB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356AB7

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356AB7	#FFFFFF	#000000	##FFFFFF
##356AB7	1.00	5.39	3.90	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4571BA

Deuteranopia (green-blind)

#3065B5

Tritanopia (blue-blind)

#007C87

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #356ab7;
/* rgb */ color: rgb(53, 106, 183);
/* oklch */ color: oklch(52.8% 0.134 257.9);

Tailwind

colors: {
  custom: {
    50: '#7c94cd',
    500: '#356ab7',
    950: '#000000',
  },
}

SCSS

$custom: #356ab7;
$custom-light: #7c94cd;
$custom-dark: #000000;

JSON

{
  "hex": "#356ab7",
  "rgb": {
    "r": 53,
    "g": 106,
    "b": 183
  },
  "hsl": {
    "h": 215.538,
    "s": 55.085,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52757,
    "c": 0.13404,
    "h": 257.9
  },
  "luminance": 0.14484
}

Semantic roles & 50–950 ramp

primary

#356AB7

secondary

#C7AA81

accent

#A249DE

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #356AB7

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

Preview Lab → · Contrast checker → · Palette generator →