#355AAC#355AAC

#355AAC is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.5% C 0.138 H 263.8°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#355AAC
RGB	rgb(53, 90, 172)
HSL	hsl(221, 53%, 44%)
HSV	hsv(221, 69%, 67%)
CMYK	cmyk(69.2%, 47.7%, 0%, 32.5%)
CIE-LAB	lab(39.66, 14.82, -47.86)
CIE-LCH	lch(39.66, 50.10, 287.21°)
OKLab	oklab(48.49% -0.015 -0.1371)
OKLCH	oklch(48.49% 0.138 263.8)
XYZ	xyz(12.5681, 11.0465, 40.4916)
Luminance	0.1105 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355AAC #AC8735

analogous

#3596AC #355AAC #4C35AC

triadic

#355AAC #AC355A #5AAC35

tetradic

#355AAC #AC3596 #AC8735 #35AC4C

square

#355AAC #AC3596 #AC8735 #35AC4C

split-complementary

#355AAC #AC4C35 #96AC35

monochromatic

#18294E #27427D #355AAC #5479CA #839DD9

Accessibility & contrast

On white

6.54

#355AAC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#355AAC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355AAC

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355AAC	#FFFFFF	#000000	##FFFFFF
##355AAC	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F63AF

Deuteranopia (green-blind)

#1458AA

Tritanopia (blue-blind)

#006D7A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #355aac;
/* rgb */ color: rgb(53, 90, 172);
/* oklch */ color: oklch(48.5% 0.138 263.8);

Tailwind

colors: {
  custom: {
    50: '#7a88c5',
    500: '#355aac',
    950: '#000000',
  },
}

SCSS

$custom: #355aac;
$custom-light: #7a88c5;
$custom-dark: #000000;

JSON

{
  "hex": "#355aac",
  "rgb": {
    "r": 53,
    "g": 90,
    "b": 172
  },
  "hsl": {
    "h": 221.345,
    "s": 52.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.48488,
    "c": 0.13793,
    "h": 263.8
  },
  "luminance": 0.11048
}

Semantic roles & 50–950 ramp

primary

#355AAC

secondary

#C2AC7B

accent

#AF4CDC

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #355AAC

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

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