#3453BB#3453BB

#3453BB is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.1% C 0.168 H 267.2°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#3453BB
RGB	rgb(52, 83, 187)
HSL	hsl(226, 56%, 47%)
HSV	hsv(226, 72%, 73%)
CMYK	cmyk(72.2%, 55.6%, 0%, 26.7%)
CIE-LAB	lab(38.73, 24.81, -58.19)
CIE-LCH	lch(38.73, 63.26, 293.10°)
OKLab	oklab(48.1% -0.0082 -0.1676)
OKLCH	oklch(48.1% 0.168 267.2)
XYZ	xyz(13.4760, 10.5030, 48.3212)
Luminance	0.1050 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3453BB #BB9C34

analogous

#3497BB #3453BB #5934BB

triadic

#3453BB #BB3453 #53BB34

tetradic

#3453BB #BB3497 #BB9C34 #34BB59

square

#3453BB #BB3497 #BB9C34 #34BB59

split-complementary

#3453BB #BB5934 #97BB34

monochromatic

#19285B #273E8B #3453BB #5B76D1 #8B9EDF

Accessibility & contrast

On white

6.77

#3453BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#3453BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3453BB

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3453BB	#FFFFFF	#000000	##FFFFFF
##3453BB	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062BF

Deuteranopia (green-blind)

#0055B9

Tritanopia (blue-blind)

#006C7F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3453bb;
/* rgb */ color: rgb(52, 83, 187);
/* oklch */ color: oklch(48.1% 0.168 267.2);

Tailwind

colors: {
  custom: {
    50: '#7d82d0',
    500: '#3453bb',
    950: '#000000',
  },
}

SCSS

$custom: #3453bb;
$custom-light: #7d82d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3453bb",
  "rgb": {
    "r": 52,
    "g": 83,
    "b": 187
  },
  "hsl": {
    "h": 226.222,
    "s": 56.485,
    "l": 46.863
  },
  "oklch": {
    "l": 0.48102,
    "c": 0.16784,
    "h": 267.2
  },
  "luminance": 0.10504
}

Semantic roles & 50–950 ramp

primary

#3453BB

secondary

#C9B982

accent

#BD48E0

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3453BB

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

Preview Lab → · Contrast checker → · Palette generator →