#3153B2#3153B2

#3153B2 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.3% C 0.156 H 265.8°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#3153B2
RGB	rgb(49, 83, 178)
HSL	hsl(224, 57%, 45%)
HSV	hsv(224, 72%, 70%)
CMYK	cmyk(72.5%, 53.4%, 0%, 30.2%)
CIE-LAB	lab(37.94, 21.06, -54.19)
CIE-LCH	lch(37.94, 58.14, 291.23°)
OKLab	oklab(47.26% -0.0115 -0.1559)
OKLCH	oklch(47.26% 0.156 265.8)
XYZ	xyz(12.3929, 10.0525, 43.3980)
Luminance	0.1005 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3153B2 #B29031

analogous

#3194B2 #3153B2 #5031B2

triadic

#3153B2 #B23153 #53B231

tetradic

#3153B2 #B23194 #B29031 #31B250

square

#3153B2 #B23194 #B29031 #31B250

split-complementary

#3153B2 #B25031 #94B231

monochromatic

#172652 #243D82 #3153B2 #5172CF #8199DC

Accessibility & contrast

On white

6.97

#3153B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#3153B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3153B2

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3153B2	#FFFFFF	#000000	##FFFFFF
##3153B2	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E60B5

Deuteranopia (green-blind)

#0054B0

Tritanopia (blue-blind)

#006A7A

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3153b2;
/* rgb */ color: rgb(49, 83, 178);
/* oklch */ color: oklch(47.3% 0.156 265.8);

Tailwind

colors: {
  custom: {
    50: '#7a82ca',
    500: '#3153b2',
    950: '#000000',
  },
}

SCSS

$custom: #3153b2;
$custom-light: #7a82ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3153b2",
  "rgb": {
    "r": 49,
    "g": 83,
    "b": 178
  },
  "hsl": {
    "h": 224.186,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.47258,
    "c": 0.15636,
    "h": 265.8
  },
  "luminance": 0.10054
}

Semantic roles & 50–950 ramp

primary

#3153B2

secondary

#C5B179

accent

#B848E0

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #3153B2

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

Preview Lab → · Contrast checker → · Palette generator →