#3457C4#3457C4

#3457C4 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.6% C 0.175 H 266.5°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#3457C4
RGB	rgb(52, 87, 196)
HSL	hsl(225, 58%, 49%)
HSV	hsv(225, 73%, 77%)
CMYK	cmyk(73.5%, 55.6%, 0%, 23.1%)
CIE-LAB	lab(40.46, 25.54, -60.63)
CIE-LCH	lch(40.46, 65.79, 292.84°)
OKLab	oklab(49.61% -0.0108 -0.1748)
OKLCH	oklch(49.61% 0.175 266.5)
XYZ	xyz(14.7847, 11.5304, 53.6603)
Luminance	0.1153 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3457C4 #C4A134

analogous

#349FC4 #3457C4 #5934C4

triadic

#3457C4 #C43457 #57C434

tetradic

#3457C4 #C4349F #C4A134 #34C459

square

#3457C4 #C4349F #C4A134 #34C459

split-complementary

#3457C4 #C45934 #9FC434

monochromatic

#1A2C63 #274294 #3457C4 #607DD5 #91A4E2

Accessibility & contrast

On white

6.35

#3457C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#3457C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3457C4

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3457C4	#FFFFFF	#000000	##FFFFFF
##3457C4	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066C8

Deuteranopia (green-blind)

#0059C2

Tritanopia (blue-blind)

#007285

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3457c4;
/* rgb */ color: rgb(52, 87, 196);
/* oklch */ color: oklch(49.6% 0.175 266.5);

Tailwind

colors: {
  custom: {
    50: '#7f85d7',
    500: '#3457c4',
    950: '#000000',
  },
}

SCSS

$custom: #3457c4;
$custom-light: #7f85d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3457c4",
  "rgb": {
    "r": 52,
    "g": 87,
    "b": 196
  },
  "hsl": {
    "h": 225.417,
    "s": 58.065,
    "l": 48.627
  },
  "oklch": {
    "l": 0.49614,
    "c": 0.17509,
    "h": 266.5
  },
  "luminance": 0.11532
}

Semantic roles & 50–950 ramp

primary

#3457C4

secondary

#CCBC87

accent

#BC47E1

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3457C4

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

Preview Lab → · Contrast checker → · Palette generator →