#3257B5#3257B5

#3257B5 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.4% C 0.155 H 264.9°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#3257B5
RGB	rgb(50, 87, 181)
HSL	hsl(223, 57%, 45%)
HSV	hsv(223, 72%, 71%)
CMYK	cmyk(72.4%, 51.9%, 0%, 29%)
CIE-LAB	lab(39.29, 19.69, -53.77)
CIE-LCH	lch(39.29, 57.26, 290.12°)
OKLab	oklab(48.37% -0.0137 -0.1546)
OKLCH	oklch(48.37% 0.155 264.9)
XYZ	xyz(13.0611, 10.8293, 45.1090)
Luminance	0.1083 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3257B5 #B59032

analogous

#3299B5 #3257B5 #4E32B5

triadic

#3257B5 #B53257 #57B532

tetradic

#3257B5 #B53299 #B59032 #32B54E

square

#3257B5 #B53299 #B59032 #32B54E

split-complementary

#3257B5 #B54E32 #99B532

monochromatic

#182955 #254085 #3257B5 #5477D0 #849DDD

Accessibility & contrast

On white

6.63

#3257B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#3257B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3257B5

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3257B5	#FFFFFF	#000000	##FFFFFF
##3257B5	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A63B8

Deuteranopia (green-blind)

#0057B3

Tritanopia (blue-blind)

#006D7D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3257b5;
/* rgb */ color: rgb(50, 87, 181);
/* oklch */ color: oklch(48.4% 0.155 264.9);

Tailwind

colors: {
  custom: {
    50: '#7b85cc',
    500: '#3257b5',
    950: '#000000',
  },
}

SCSS

$custom: #3257b5;
$custom-light: #7b85cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3257b5",
  "rgb": {
    "r": 50,
    "g": 87,
    "b": 181
  },
  "hsl": {
    "h": 223.053,
    "s": 56.71,
    "l": 45.294
  },
  "oklch": {
    "l": 0.48365,
    "c": 0.1552,
    "h": 264.9
  },
  "luminance": 0.10831
}

Semantic roles & 50–950 ramp

primary

#3257B5

secondary

#C7B27C

accent

#B548E0

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3257B5

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

Preview Lab → · Contrast checker → · Palette generator →