#3453B3#3453B3

#3453B3 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.5% C 0.157 H 266.8°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#3453B3
RGB	rgb(52, 83, 179)
HSL	hsl(225, 55%, 45%)
HSV	hsv(225, 71%, 70%)
CMYK	cmyk(70.9%, 53.6%, 0%, 29.8%)
CIE-LAB	lab(38.15, 21.85, -54.44)
CIE-LCH	lch(38.15, 58.66, 291.87°)
OKLab	oklab(47.48% -0.0088 -0.1566)
OKLCH	oklch(47.48% 0.157 266.8)
XYZ	xyz(12.6433, 10.1700, 43.9358)
Luminance	0.1017 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3453B3 #B39434

analogous

#3493B3 #3453B3 #5434B3

triadic

#3453B3 #B33453 #53B334

tetradic

#3453B3 #B33493 #B39434 #34B354

square

#3453B3 #B33493 #B39434 #34B354

split-complementary

#3453B3 #B35434 #93B334

monochromatic

#182754 #263D84 #3453B3 #5673CE #869BDC

Accessibility & contrast

On white

6.92

#3453B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#3453B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3453B3

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3453B3	#FFFFFF	#000000	##FFFFFF
##3453B3	1.00	6.92	3.03	6.92
#FFFFFF	6.92	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D60B6

Deuteranopia (green-blind)

#0054B1

Tritanopia (blue-blind)

#006A7B

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3453b3;
/* rgb */ color: rgb(52, 83, 179);
/* oklch */ color: oklch(47.5% 0.157 266.8);

Tailwind

colors: {
  custom: {
    50: '#7c82ca',
    500: '#3453b3',
    950: '#000000',
  },
}

SCSS

$custom: #3453b3;
$custom-light: #7c82ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3453b3",
  "rgb": {
    "r": 52,
    "g": 83,
    "b": 179
  },
  "hsl": {
    "h": 225.354,
    "s": 54.978,
    "l": 45.294
  },
  "oklch": {
    "l": 0.47476,
    "c": 0.15684,
    "h": 266.8
  },
  "luminance": 0.10171
}

Semantic roles & 50–950 ramp

primary

#3453B3

secondary

#C5B47D

accent

#BA49DE

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3453B3

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

Preview Lab → · Contrast checker → · Palette generator →