#3175DB#3175DB

#3175DB is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.4% C 0.171 H 258.7°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#3175DB
RGB	rgb(49, 117, 219)
HSL	hsl(216, 70%, 53%)
HSV	hsv(216, 78%, 86%)
CMYK	cmyk(77.6%, 46.6%, 0%, 14.1%)
CIE-LAB	lab(50.08, 14.57, -58.26)
CIE-LCH	lch(50.08, 60.06, 284.04°)
OKLab	oklab(57.41% -0.0335 -0.1673)
OKLCH	oklch(57.41% 0.171 258.7)
XYZ	xyz(20.4094, 18.4876, 69.4969)
Luminance	0.1849 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3175DB #DB9731

analogous

#31CADB #3175DB #4231DB

triadic

#3175DB #DB3175 #75DB31

tetradic

#3175DB #DB31CA #DB9731 #31DB42

square

#3175DB #DB31CA #DB9731 #31DB42

split-complementary

#3175DB #DB4231 #CADB31

monochromatic

#163F7C #1F59B0 #3175DB #6598E4 #99BBED

Accessibility & contrast

On white

4.47

#3175DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#3175DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3175DB

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3175DB	#FFFFFF	#000000	##000000
##3175DB	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D7FDF

Deuteranopia (green-blind)

#0A70D9

Tritanopia (blue-blind)

#008D9D

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3175db;
/* rgb */ color: rgb(49, 117, 219);
/* oklch */ color: oklch(57.4% 0.171 258.7);

Tailwind

colors: {
  custom: {
    50: '#829ce7',
    500: '#3175db',
    950: '#000000',
  },
}

SCSS

$custom: #3175db;
$custom-light: #829ce7;
$custom-dark: #000000;

JSON

{
  "hex": "#3175db",
  "rgb": {
    "r": 49,
    "g": 117,
    "b": 219
  },
  "hsl": {
    "h": 216,
    "s": 70.248,
    "l": 52.549
  },
  "oklch": {
    "l": 0.57414,
    "c": 0.17063,
    "h": 258.7
  },
  "luminance": 0.1849
}

Semantic roles & 50–950 ramp

primary

#3175DB

secondary

#D9BB8F

accent

#A63BED

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #3175DB

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

Preview Lab → · Contrast checker → · Palette generator →