#354D8D#354D8D

#354D8D is a dark, moderate blue. Relative luminance 0.080; OKLCH L 43.5% C 0.110 H 266.4°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#354D8D
RGB	rgb(53, 77, 141)
HSL	hsl(224, 45%, 38%)
HSV	hsv(224, 62%, 55%)
CMYK	cmyk(62.4%, 45.4%, 0%, 44.7%)
CIE-LAB	lab(33.96, 11.96, -38.37)
CIE-LCH	lch(33.96, 40.19, 287.32°)
OKLab	oklab(43.48% -0.0068 -0.1094)
OKLCH	oklch(43.48% 0.11 266.4)
XYZ	xyz(8.9282, 7.9870, 26.2653)
Luminance	0.0799 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#354D8D #8D7535

analogous

#35798D #354D8D #49358D

triadic

#354D8D #8D354D #4D8D35

tetradic

#354D8D #8D3579 #8D7535 #358D49

square

#354D8D #8D3579 #8D7535 #358D49

split-complementary

#354D8D #8D4935 #798D35

monochromatic

#141C34 #243561 #354D8D #4665B9 #728ACA

Accessibility & contrast

On white

8.08

#354D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#354D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #354D8D

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##354D8D	#FFFFFF	#000000	##FFFFFF
##354D8D	1.00	8.08	2.60	8.08
#FFFFFF	8.08	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F548F

Deuteranopia (green-blind)

#224C8C

Tritanopia (blue-blind)

#005B66

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #354d8d;
/* rgb */ color: rgb(53, 77, 141);
/* oklch */ color: oklch(43.5% 0.110 266.4);

Tailwind

colors: {
  custom: {
    50: '#757eaf',
    500: '#354d8d',
    950: '#000000',
  },
}

SCSS

$custom: #354d8d;
$custom-light: #757eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#354d8d",
  "rgb": {
    "r": 53,
    "g": 77,
    "b": 141
  },
  "hsl": {
    "h": 223.636,
    "s": 45.361,
    "l": 38.039
  },
  "oklch": {
    "l": 0.43483,
    "c": 0.10962,
    "h": 266.4
  },
  "luminance": 0.07988
}

Semantic roles & 50–950 ramp

primary

#354D8D

secondary

#B29F6B

accent

#B253D5

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#090910

muted

#7B7B7F

Preview Lab

Preview with #354D8D

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

Preview Lab → · Contrast checker → · Palette generator →