#355CAB#355CAB

#355CAB is a mid, vivid blue. Relative luminance 0.114; OKLCH L 48.9% C 0.134 H 262.7°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#355CAB
RGB	rgb(53, 92, 171)
HSL	hsl(220, 53%, 44%)
HSV	hsv(220, 69%, 67%)
CMYK	cmyk(69%, 46.2%, 0%, 32.9%)
CIE-LAB	lab(40.16, 13.15, -46.46)
CIE-LCH	lch(40.16, 48.28, 285.81°)
OKLab	oklab(48.86% -0.017 -0.133)
OKLCH	oklch(48.86% 0.134 262.7)
XYZ	xyz(12.6434, 11.3502, 40.0447)
Luminance	0.1135 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355CAB #AB8435

analogous

#3597AB #355CAB #4935AB

triadic

#355CAB #AB355C #5CAB35

tetradic

#355CAB #AB3597 #AB8435 #35AB49

square

#355CAB #AB3597 #AB8435 #35AB49

split-complementary

#355CAB #AB4935 #97AB35

monochromatic

#182A4E #27437C #355CAB #537BCA #829FD8

Accessibility & contrast

On white

6.42

#355CAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#355CAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355CAB

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355CAB	#FFFFFF	#000000	##FFFFFF
##355CAB	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3464AE

Deuteranopia (green-blind)

#1D5AA9

Tritanopia (blue-blind)

#006E7B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #355cab;
/* rgb */ color: rgb(53, 92, 171);
/* oklch */ color: oklch(48.9% 0.134 262.7);

Tailwind

colors: {
  custom: {
    50: '#7a89c4',
    500: '#355cab',
    950: '#000000',
  },
}

SCSS

$custom: #355cab;
$custom-light: #7a89c4;
$custom-dark: #000000;

JSON

{
  "hex": "#355cab",
  "rgb": {
    "r": 53,
    "g": 92,
    "b": 171
  },
  "hsl": {
    "h": 220.169,
    "s": 52.679,
    "l": 43.922
  },
  "oklch": {
    "l": 0.48855,
    "c": 0.13405,
    "h": 262.7
  },
  "luminance": 0.11351
}

Semantic roles & 50–950 ramp

primary

#355CAB

secondary

#C2AA7A

accent

#AC4CDC

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #355CAB

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

Preview Lab → · Contrast checker → · Palette generator →