#356BB7#356BB7

#356BB7 is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.0% C 0.133 H 257.4°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#356BB7
RGB	rgb(53, 107, 183)
HSL	hsl(215, 55%, 46%)
HSV	hsv(215, 71%, 72%)
CMYK	cmyk(71%, 41.5%, 0%, 28.2%)
CIE-LAB	lab(45.21, 7.99, -45.43)
CIE-LCH	lch(45.21, 46.13, 279.98°)
OKLab	oklab(52.98% -0.029 -0.1297)
OKLCH	oklch(52.98% 0.133 257.4)
XYZ	xyz(15.2700, 14.6895, 46.8212)
Luminance	0.1469 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356BB7 #B78135

analogous

#35ACB7 #356BB7 #4035B7

triadic

#356BB7 #B7356B #6BB735

tetradic

#356BB7 #B735AC #B78135 #35B740

square

#356BB7 #B735AC #B78135 #35B740

split-complementary

#356BB7 #B74035 #ACB735

monochromatic

#1A3458 #274F88 #356BB7 #5A8BCF #89ACDD

Accessibility & contrast

On white

5.33

#356BB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#356BB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356BB7

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356BB7	#FFFFFF	#000000	##FFFFFF
##356BB7	1.00	5.33	3.94	5.33
#FFFFFF	5.33	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4771BA

Deuteranopia (green-blind)

#3265B5

Tritanopia (blue-blind)

#007D88

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #356bb7;
/* rgb */ color: rgb(53, 107, 183);
/* oklch */ color: oklch(53.0% 0.133 257.4);

Tailwind

colors: {
  custom: {
    50: '#7c94cd',
    500: '#356bb7',
    950: '#000000',
  },
}

SCSS

$custom: #356bb7;
$custom-light: #7c94cd;
$custom-dark: #000000;

JSON

{
  "hex": "#356bb7",
  "rgb": {
    "r": 53,
    "g": 107,
    "b": 183
  },
  "hsl": {
    "h": 215.077,
    "s": 55.085,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52982,
    "c": 0.1329,
    "h": 257.4
  },
  "luminance": 0.14691
}

Semantic roles & 50–950 ramp

primary

#356BB7

secondary

#C7AA81

accent

#A149DE

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #356BB7

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

Preview Lab → · Contrast checker → · Palette generator →