#355FA1#355FA1

#355FA1 is a mid, moderate blue. Relative luminance 0.115; OKLCH L 48.9% C 0.116 H 259.1°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#355FA1
RGB	rgb(53, 95, 161)
HSL	hsl(217, 50%, 42%)
HSV	hsv(217, 67%, 63%)
CMYK	cmyk(67.1%, 41%, 0%, 36.9%)
CIE-LAB	lab(40.43, 7.53, -40.10)
CIE-LCH	lch(40.43, 40.80, 280.63°)
OKLab	oklab(48.87% -0.022 -0.1142)
OKLCH	oklch(48.87% 0.116 259.1)
XYZ	xyz(11.9911, 11.5133, 35.3017)
Luminance	0.1152 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355FA1 #A17735

analogous

#3595A1 #355FA1 #4135A1

triadic

#355FA1 #A1355F #5FA135

tetradic

#355FA1 #A13595 #A17735 #35A141

square

#355FA1 #A13595 #A17735 #35A141

split-complementary

#355FA1 #A14135 #95A135

monochromatic

#172945 #264473 #355FA1 #4E7CC5 #7C9ED4

Accessibility & contrast

On white

6.36

#355FA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#355FA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355FA1

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355FA1	#FFFFFF	#000000	##FFFFFF
##355FA1	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4165A4

Deuteranopia (green-blind)

#315BA0

Tritanopia (blue-blind)

#006E78

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #355fa1;
/* rgb */ color: rgb(53, 95, 161);
/* oklch */ color: oklch(48.9% 0.116 259.1);

Tailwind

colors: {
  custom: {
    50: '#788cbd',
    500: '#355fa1',
    950: '#000000',
  },
}

SCSS

$custom: #355fa1;
$custom-light: #788cbd;
$custom-dark: #000000;

JSON

{
  "hex": "#355fa1",
  "rgb": {
    "r": 53,
    "g": 95,
    "b": 161
  },
  "hsl": {
    "h": 216.667,
    "s": 50.467,
    "l": 41.961
  },
  "oklch": {
    "l": 0.48867,
    "c": 0.11633,
    "h": 259.1
  },
  "luminance": 0.11515
}

Semantic roles & 50–950 ramp

primary

#355FA1

secondary

#BDA175

accent

#A34EDA

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #355FA1

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

Preview Lab → · Contrast checker → · Palette generator →