#355EAB#355EAB

#355EAB is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.3% C 0.132 H 261.7°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#355EAB
RGB	rgb(53, 94, 171)
HSL	hsl(219, 53%, 44%)
HSV	hsv(219, 69%, 67%)
CMYK	cmyk(69%, 45%, 0%, 32.9%)
CIE-LAB	lab(40.74, 11.86, -45.54)
CIE-LCH	lch(40.74, 47.06, 284.59°)
OKLab	oklab(49.3% -0.019 -0.1302)
OKLCH	oklch(49.3% 0.132 261.7)
XYZ	xyz(12.8190, 11.7013, 40.1032)
Luminance	0.1170 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355EAB #AB8235

analogous

#3599AB #355EAB #4735AB

triadic

#355EAB #AB355E #5EAB35

tetradic

#355EAB #AB3599 #AB8235 #35AB47

square

#355EAB #AB3599 #AB8235 #35AB47

split-complementary

#355EAB #AB4735 #99AB35

monochromatic

#182B4E #27447C #355EAB #537DCA #82A0D8

Accessibility & contrast

On white

6.29

#355EAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#355EAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355EAB

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355EAB	#FFFFFF	#000000	##FFFFFF
##355EAB	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3866AE

Deuteranopia (green-blind)

#235BA9

Tritanopia (blue-blind)

#00707C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #355eab;
/* rgb */ color: rgb(53, 94, 171);
/* oklch */ color: oklch(49.3% 0.132 261.7);

Tailwind

colors: {
  custom: {
    50: '#7a8bc4',
    500: '#355eab',
    950: '#000000',
  },
}

SCSS

$custom: #355eab;
$custom-light: #7a8bc4;
$custom-dark: #000000;

JSON

{
  "hex": "#355eab",
  "rgb": {
    "r": 53,
    "g": 94,
    "b": 171
  },
  "hsl": {
    "h": 219.153,
    "s": 52.679,
    "l": 43.922
  },
  "oklch": {
    "l": 0.49296,
    "c": 0.1316,
    "h": 261.7
  },
  "luminance": 0.11703
}

Semantic roles & 50–950 ramp

primary

#355EAB

secondary

#C2A97A

accent

#AA4CDC

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #355EAB

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

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