#355AC9#355AC9

#355AC9 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.6% C 0.178 H 266.2°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#355AC9
RGB	rgb(53, 90, 201)
HSL	hsl(225, 58%, 50%)
HSV	hsv(225, 74%, 79%)
CMYK	cmyk(73.6%, 55.2%, 0%, 21.2%)
CIE-LAB	lab(41.66, 25.57, -61.57)
CIE-LCH	lch(41.66, 66.67, 292.55°)
OKLab	oklab(50.65% -0.0119 -0.1775)
OKLCH	oklch(50.65% 0.178 266.2)
XYZ	xyz(15.6633, 12.2846, 56.7927)
Luminance	0.1229 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355AC9 #C9A435

analogous

#35A4C9 #355AC9 #5A35C9

triadic

#355AC9 #C9355A #5AC935

tetradic

#355AC9 #C935A4 #C9A435 #35C95A

square

#355AC9 #C935A4 #C9A435 #35C95A

split-complementary

#355AC9 #C95A35 #A4C935

monochromatic

#1B2F68 #284499 #355AC9 #6581D6 #95A9E3

Accessibility & contrast

On white

6.07

#355AC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#355AC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355AC9

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355AC9	#FFFFFF	#000000	##FFFFFF
##355AC9	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CD

Deuteranopia (green-blind)

#005CC7

Tritanopia (blue-blind)

#007589

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #355ac9;
/* rgb */ color: rgb(53, 90, 201);
/* oklch */ color: oklch(50.6% 0.178 266.2);

Tailwind

colors: {
  custom: {
    50: '#8088da',
    500: '#355ac9',
    950: '#000000',
  },
}

SCSS

$custom: #355ac9;
$custom-light: #8088da;
$custom-dark: #000000;

JSON

{
  "hex": "#355ac9",
  "rgb": {
    "r": 53,
    "g": 90,
    "b": 201
  },
  "hsl": {
    "h": 225,
    "s": 58.268,
    "l": 49.804
  },
  "oklch": {
    "l": 0.5065,
    "c": 0.17786,
    "h": 266.2
  },
  "luminance": 0.12286
}

Semantic roles & 50–950 ramp

primary

#355AC9

secondary

#CEBE8B

accent

#BB46E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #355AC9

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

Preview Lab → · Contrast checker → · Palette generator →