#3453BF#3453BF

#3453BF is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.4% C 0.173 H 267.4°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#3453BF
RGB	rgb(52, 83, 191)
HSL	hsl(227, 57%, 48%)
HSV	hsv(227, 73%, 75%)
CMYK	cmyk(72.8%, 56.5%, 0%, 25.1%)
CIE-LAB	lab(39.03, 26.29, -60.04)
CIE-LCH	lch(39.03, 65.55, 293.65°)
OKLab	oklab(48.42% -0.008 -0.1731)
OKLCH	oklch(48.42% 0.173 267.4)
XYZ	xyz(13.9101, 10.6767, 50.6078)
Luminance	0.1068 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3453BF #BFA034

analogous

#3498BF #3453BF #5B34BF

triadic

#3453BF #BF3453 #53BF34

tetradic

#3453BF #BF3498 #BFA034 #34BF5B

square

#3453BF #BF3498 #BFA034 #34BF5B

split-complementary

#3453BF #BF5B34 #98BF34

monochromatic

#1A295F #273E8F #3453BF #5D77D3 #8DA0E0

Accessibility & contrast

On white

6.70

#3453BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#3453BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3453BF

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3453BF	#FFFFFF	#000000	##FFFFFF
##3453BF	1.00	6.70	3.14	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C3

Deuteranopia (green-blind)

#0056BD

Tritanopia (blue-blind)

#006E81

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3453bf;
/* rgb */ color: rgb(52, 83, 191);
/* oklch */ color: oklch(48.4% 0.173 267.4);

Tailwind

colors: {
  custom: {
    50: '#7e82d3',
    500: '#3453bf',
    950: '#000000',
  },
}

SCSS

$custom: #3453bf;
$custom-light: #7e82d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3453bf",
  "rgb": {
    "r": 52,
    "g": 83,
    "b": 191
  },
  "hsl": {
    "h": 226.619,
    "s": 57.202,
    "l": 47.647
  },
  "oklch": {
    "l": 0.48422,
    "c": 0.17327,
    "h": 267.4
  },
  "luminance": 0.10678
}

Semantic roles & 50–950 ramp

primary

#3453BF

secondary

#CABB84

accent

#BE47E0

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3453BF

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

Preview Lab → · Contrast checker → · Palette generator →