#3457BF#3457BF

#3457BF is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.2% C 0.168 H 266.2°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#3457BF
RGB	rgb(52, 87, 191)
HSL	hsl(225, 57%, 48%)
HSV	hsv(225, 73%, 75%)
CMYK	cmyk(72.8%, 54.5%, 0%, 25.1%)
CIE-LAB	lab(40.09, 23.69, -58.32)
CIE-LCH	lch(40.09, 62.95, 292.11°)
OKLab	oklab(49.22% -0.0111 -0.168)
OKLCH	oklch(49.22% 0.168 266.2)
XYZ	xyz(14.2250, 11.3065, 50.7128)
Luminance	0.1131 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3457BF #BF9C34

analogous

#349DBF #3457BF #5634BF

triadic

#3457BF #BF3457 #57BF34

tetradic

#3457BF #BF349D #BF9C34 #34BF56

square

#3457BF #BF349D #BF9C34 #34BF56

split-complementary

#3457BF #BF5634 #9DBF34

monochromatic

#1A2B5F #27418F #3457BF #5D7BD3 #8DA2E0

Accessibility & contrast

On white

6.44

#3457BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#3457BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3457BF

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3457BF	#FFFFFF	#000000	##FFFFFF
##3457BF	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C3

Deuteranopia (green-blind)

#0058BD

Tritanopia (blue-blind)

#007082

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3457bf;
/* rgb */ color: rgb(52, 87, 191);
/* oklch */ color: oklch(49.2% 0.168 266.2);

Tailwind

colors: {
  custom: {
    50: '#7e85d3',
    500: '#3457bf',
    950: '#000000',
  },
}

SCSS

$custom: #3457bf;
$custom-light: #7e85d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3457bf",
  "rgb": {
    "r": 52,
    "g": 87,
    "b": 191
  },
  "hsl": {
    "h": 224.892,
    "s": 57.202,
    "l": 47.647
  },
  "oklch": {
    "l": 0.49221,
    "c": 0.16833,
    "h": 266.2
  },
  "luminance": 0.11308
}

Semantic roles & 50–950 ramp

primary

#3457BF

secondary

#CAB984

accent

#BA47E0

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #3457BF

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

Preview Lab → · Contrast checker → · Palette generator →