#3457BC#3457BC

#3457BC is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.0% C 0.164 H 266.0°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#3457BC
RGB	rgb(52, 87, 188)
HSL	hsl(225, 57%, 47%)
HSV	hsv(225, 72%, 74%)
CMYK	cmyk(72.3%, 53.7%, 0%, 26.3%)
CIE-LAB	lab(39.88, 22.58, -56.92)
CIE-LCH	lch(39.88, 61.23, 291.64°)
OKLab	oklab(48.99% -0.0113 -0.1638)
OKLCH	oklch(48.99% 0.164 266)
XYZ	xyz(13.8983, 11.1758, 48.9919)
Luminance	0.1118 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3457BC #BC9934

analogous

#349BBC #3457BC #5534BC

triadic

#3457BC #BC3457 #57BC34

tetradic

#3457BC #BC349B #BC9934 #34BC55

square

#3457BC #BC349B #BC9934 #34BC55

split-complementary

#3457BC #BC5534 #9BBC34

monochromatic

#192B5C #27418C #3457BC #5B7AD2 #8BA1DF

Accessibility & contrast

On white

6.49

#3457BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#3457BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3457BC

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3457BC	#FFFFFF	#000000	##FFFFFF
##3457BC	1.00	6.49	3.24	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0864C0

Deuteranopia (green-blind)

#0058BA

Tritanopia (blue-blind)

#006F81

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3457bc;
/* rgb */ color: rgb(52, 87, 188);
/* oklch */ color: oklch(49.0% 0.164 266.0);

Tailwind

colors: {
  custom: {
    50: '#7d85d1',
    500: '#3457bc',
    950: '#000000',
  },
}

SCSS

$custom: #3457bc;
$custom-light: #7d85d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3457bc",
  "rgb": {
    "r": 52,
    "g": 87,
    "b": 188
  },
  "hsl": {
    "h": 224.559,
    "s": 56.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.48988,
    "c": 0.16423,
    "h": 266
  },
  "luminance": 0.11177
}

Semantic roles & 50–950 ramp

primary

#3457BC

secondary

#C9B783

accent

#B948E0

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3457BC

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

Preview Lab → · Contrast checker → · Palette generator →