#3457C3#3457C3

#3457C3 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.5% C 0.174 H 266.4°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#3457C3
RGB	rgb(52, 87, 195)
HSL	hsl(225, 58%, 48%)
HSV	hsv(225, 73%, 76%)
CMYK	cmyk(73.3%, 55.4%, 0%, 23.5%)
CIE-LAB	lab(40.39, 25.17, -60.17)
CIE-LCH	lch(40.39, 65.22, 292.70°)
OKLab	oklab(49.54% -0.0108 -0.1734)
OKLCH	oklch(49.54% 0.174 266.4)
XYZ	xyz(14.6713, 11.4850, 53.0628)
Luminance	0.1149 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3457C3 #C3A034

analogous

#349EC3 #3457C3 #5834C3

triadic

#3457C3 #C33457 #57C334

tetradic

#3457C3 #C3349E #C3A034 #34C358

square

#3457C3 #C3349E #C3A034 #34C358

split-complementary

#3457C3 #C35834 #9EC334

monochromatic

#1A2C62 #274193 #3457C3 #607CD5 #90A4E1

Accessibility & contrast

On white

6.37

#3457C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#3457C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3457C3

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3457C3	#FFFFFF	#000000	##FFFFFF
##3457C3	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066C7

Deuteranopia (green-blind)

#0059C1

Tritanopia (blue-blind)

#007184

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3457c3;
/* rgb */ color: rgb(52, 87, 195);
/* oklch */ color: oklch(49.5% 0.174 266.4);

Tailwind

colors: {
  custom: {
    50: '#7f85d6',
    500: '#3457c3',
    950: '#000000',
  },
}

SCSS

$custom: #3457c3;
$custom-light: #7f85d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3457c3",
  "rgb": {
    "r": 52,
    "g": 87,
    "b": 195
  },
  "hsl": {
    "h": 225.315,
    "s": 57.895,
    "l": 48.431
  },
  "oklch": {
    "l": 0.49535,
    "c": 0.17375,
    "h": 266.4
  },
  "luminance": 0.11487
}

Semantic roles & 50–950 ramp

primary

#3457C3

secondary

#CCBB87

accent

#BB47E1

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #3457C3

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

Preview Lab → · Contrast checker → · Palette generator →