#355BAB#355BAB

#355BAB is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.6% C 0.135 H 263.2°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#355BAB
RGB	rgb(53, 91, 171)
HSL	hsl(221, 53%, 44%)
HSV	hsv(221, 69%, 67%)
CMYK	cmyk(69%, 46.8%, 0%, 32.9%)
CIE-LAB	lab(39.88, 13.80, -46.92)
CIE-LCH	lch(39.88, 48.90, 286.39°)
OKLab	oklab(48.64% -0.0161 -0.1343)
OKLCH	oklch(48.64% 0.135 263.2)
XYZ	xyz(12.5574, 11.1781, 40.0160)
Luminance	0.1118 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355BAB #AB8535

analogous

#3596AB #355BAB #4A35AB

triadic

#355BAB #AB355B #5BAB35

tetradic

#355BAB #AB3596 #AB8535 #35AB4A

square

#355BAB #AB3596 #AB8535 #35AB4A

split-complementary

#355BAB #AB4A35 #96AB35

monochromatic

#18294E #27427C #355BAB #537ACA #829ED8

Accessibility & contrast

On white

6.49

#355BAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#355BAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355BAB

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355BAB	#FFFFFF	#000000	##FFFFFF
##355BAB	1.00	6.49	3.24	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3264AE

Deuteranopia (green-blind)

#1A59A9

Tritanopia (blue-blind)

#006E7A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #355bab;
/* rgb */ color: rgb(53, 91, 171);
/* oklch */ color: oklch(48.6% 0.135 263.2);

Tailwind

colors: {
  custom: {
    50: '#7a88c4',
    500: '#355bab',
    950: '#000000',
  },
}

SCSS

$custom: #355bab;
$custom-light: #7a88c4;
$custom-dark: #000000;

JSON

{
  "hex": "#355bab",
  "rgb": {
    "r": 53,
    "g": 91,
    "b": 171
  },
  "hsl": {
    "h": 220.678,
    "s": 52.679,
    "l": 43.922
  },
  "oklch": {
    "l": 0.48636,
    "c": 0.13528,
    "h": 263.2
  },
  "luminance": 0.11179
}

Semantic roles & 50–950 ramp

primary

#355BAB

secondary

#C2AB7A

accent

#AE4CDC

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #355BAB

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

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