#357ADD#357ADD

#357ADD is a mid, vivid blue. Relative luminance 0.199; OKLCH L 58.7% C 0.166 H 258.0°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#357ADD
RGB	rgb(53, 122, 221)
HSL	hsl(215, 71%, 54%)
HSV	hsv(215, 76%, 87%)
CMYK	cmyk(76%, 44.8%, 0%, 13.3%)
CIE-LAB	lab(51.72, 12.65, -56.76)
CIE-LCH	lch(51.72, 58.15, 282.56°)
OKLab	oklab(58.75% -0.0347 -0.1627)
OKLCH	oklch(58.75% 0.166 258)
XYZ	xyz(21.4741, 19.8939, 71.1007)
Luminance	0.1990 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357ADD #DD9835

analogous

#35CEDD #357ADD #4435DD

triadic

#357ADD #DD357A #7ADD35

tetradic

#357ADD #DD35CE #DD9835 #35DD44

square

#357ADD #DD35CE #DD9835 #35DD44

split-complementary

#357ADD #DD4435 #CEDD35

monochromatic

#164282 #1F5DB6 #357ADD #699CE6 #9EBFEF

Accessibility & contrast

On white

4.22

#357ADD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#357ADD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357ADD

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357ADD	#FFFFFF	#000000	##000000
##357ADD	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4783E1

Deuteranopia (green-blind)

#2274DB

Tritanopia (blue-blind)

#0091A1

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #357add;
/* rgb */ color: rgb(53, 122, 221);
/* oklch */ color: oklch(58.7% 0.166 258.0);

Tailwind

colors: {
  custom: {
    50: '#839fe8',
    500: '#357add',
    950: '#000000',
  },
}

SCSS

$custom: #357add;
$custom-light: #839fe8;
$custom-dark: #000000;

JSON

{
  "hex": "#357add",
  "rgb": {
    "r": 53,
    "g": 122,
    "b": 221
  },
  "hsl": {
    "h": 215.357,
    "s": 71.186,
    "l": 53.725
  },
  "oklch": {
    "l": 0.58749,
    "c": 0.1664,
    "h": 258
  },
  "luminance": 0.19896
}

Semantic roles & 50–950 ramp

primary

#357ADD

secondary

#DBBD93

accent

#A43AEE

background

#F8F9FE

surface

#F0F2FD

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #357ADD

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

Preview Lab → · Contrast checker → · Palette generator →