#3451BA#3451BA

#3451BA is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.6% C 0.169 H 267.7°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#3451BA
RGB	rgb(52, 81, 186)
HSL	hsl(227, 56%, 47%)
HSV	hsv(227, 72%, 73%)
CMYK	cmyk(72%, 56.5%, 0%, 27.1%)
CIE-LAB	lab(38.13, 25.75, -58.59)
CIE-LCH	lch(38.13, 64.00, 293.73°)
OKLab	oklab(47.62% -0.0067 -0.1688)
OKLCH	oklch(47.62% 0.169 267.7)
XYZ	xyz(13.2185, 10.1587, 47.7090)
Luminance	0.1016 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3451BA #BA9D34

analogous

#3494BA #3451BA #5A34BA

triadic

#3451BA #BA3451 #51BA34

tetradic

#3451BA #BA3494 #BA9D34 #34BA5A

square

#3451BA #BA3494 #BA9D34 #34BA5A

split-complementary

#3451BA #BA5A34 #94BA34

monochromatic

#19275A #273C8A #3451BA #5A74D1 #8A9CDE

Accessibility & contrast

On white

6.93

#3451BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#3451BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3451BA

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3451BA	#FFFFFF	#000000	##FFFFFF
##3451BA	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060BE

Deuteranopia (green-blind)

#0054B8

Tritanopia (blue-blind)

#006B7D

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3451ba;
/* rgb */ color: rgb(52, 81, 186);
/* oklch */ color: oklch(47.6% 0.169 267.7);

Tailwind

colors: {
  custom: {
    50: '#7d81d0',
    500: '#3451ba',
    950: '#000000',
  },
}

SCSS

$custom: #3451ba;
$custom-light: #7d81d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3451ba",
  "rgb": {
    "r": 52,
    "g": 81,
    "b": 186
  },
  "hsl": {
    "h": 227.015,
    "s": 56.303,
    "l": 46.667
  },
  "oklch": {
    "l": 0.47624,
    "c": 0.16897,
    "h": 267.7
  },
  "luminance": 0.1016
}

Semantic roles & 50–950 ramp

primary

#3451BA

secondary

#C8B981

accent

#BF48E0

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3451BA

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

Preview Lab → · Contrast checker → · Palette generator →