#353B8B#353B8B

#353B8B is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.5% C 0.131 H 275.4°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#353B8B
RGB	rgb(53, 59, 139)
HSL	hsl(236, 45%, 38%)
HSV	hsv(236, 62%, 55%)
CMYK	cmyk(61.9%, 57.6%, 0%, 45.5%)
CIE-LAB	lab(28.77, 23.30, -45.49)
CIE-LCH	lch(28.77, 51.10, 297.12°)
OKLab	oklab(39.51% 0.0124 -0.1306)
OKLCH	oklch(39.51% 0.131 275.4)
XYZ	xyz(7.6908, 5.7483, 25.1253)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#353B8B #8B8535

analogous

#35668B #353B8B #5A358B

triadic

#353B8B #8B353B #3B8B35

tetradic

#353B8B #8B3566 #8B8535 #358B5A

square

#353B8B #8B3566 #8B8535 #358B5A

split-complementary

#353B8B #8B5A35 #668B35

monochromatic

#131532 #24285F #353B8B #464EB7 #7178C9

Accessibility & contrast

On white

9.77

#353B8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#353B8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #353B8B

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##353B8B	#FFFFFF	#000000	##FFFFFF
##353B8B	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00488E

Deuteranopia (green-blind)

#004089

Tritanopia (blue-blind)

#004E5D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #353b8b;
/* rgb */ color: rgb(53, 59, 139);
/* oklch */ color: oklch(39.5% 0.131 275.4);

Tailwind

colors: {
  custom: {
    50: '#7570ad',
    500: '#353b8b',
    950: '#000000',
  },
}

SCSS

$custom: #353b8b;
$custom-light: #7570ad;
$custom-dark: #000000;

JSON

{
  "hex": "#353b8b",
  "rgb": {
    "r": 53,
    "g": 59,
    "b": 139
  },
  "hsl": {
    "h": 235.814,
    "s": 44.792,
    "l": 37.647
  },
  "oklch": {
    "l": 0.39513,
    "c": 0.13114,
    "h": 275.4
  },
  "luminance": 0.05749
}

Semantic roles & 50–950 ramp

primary

#353B8B

secondary

#B1AC6A

accent

#CB53D4

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #353B8B

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

Preview Lab → · Contrast checker → · Palette generator →