#355F9E#355F9E

#355F9E is a mid, moderate blue. Relative luminance 0.114; OKLCH L 48.7% C 0.112 H 258.3°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#355F9E
RGB	rgb(53, 95, 158)
HSL	hsl(216, 50%, 41%)
HSV	hsv(216, 66%, 62%)
CMYK	cmyk(66.5%, 39.9%, 0%, 38%)
CIE-LAB	lab(40.26, 6.43, -38.59)
CIE-LCH	lch(40.26, 39.12, 279.47°)
OKLab	oklab(48.68% -0.0227 -0.1098)
OKLCH	oklch(48.68% 0.112 258.3)
XYZ	xyz(11.7298, 11.4088, 33.9251)
Luminance	0.1141 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355F9E #9E7435

analogous

#35949E #355F9E #40359E

triadic

#355F9E #9E355F #5F9E35

tetradic

#355F9E #9E3594 #9E7435 #359E40

square

#355F9E #9E3594 #9E7435 #359E40

split-complementary

#355F9E #9E4035 #949E35

monochromatic

#162842 #264370 #355F9E #4D7CC3 #7B9ED3

Accessibility & contrast

On white

6.40

#355F9E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#355F9E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355F9E

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355F9E	#FFFFFF	#000000	##FFFFFF
##355F9E	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4364A1

Deuteranopia (green-blind)

#335A9D

Tritanopia (blue-blind)

#006D77

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #355f9e;
/* rgb */ color: rgb(53, 95, 158);
/* oklch */ color: oklch(48.7% 0.112 258.3);

Tailwind

colors: {
  custom: {
    50: '#778cbb',
    500: '#355f9e',
    950: '#000000',
  },
}

SCSS

$custom: #355f9e;
$custom-light: #778cbb;
$custom-dark: #000000;

JSON

{
  "hex": "#355f9e",
  "rgb": {
    "r": 53,
    "g": 95,
    "b": 158
  },
  "hsl": {
    "h": 216,
    "s": 49.763,
    "l": 41.373
  },
  "oklch": {
    "l": 0.48678,
    "c": 0.11211,
    "h": 258.3
  },
  "luminance": 0.1141
}

Semantic roles & 50–950 ramp

primary

#355F9E

secondary

#BB9F73

accent

#A24FD9

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #355F9E

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

Preview Lab → · Contrast checker → · Palette generator →