#3154B2#3154B2

#3154B2 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.5% C 0.155 H 265.4°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#3154B2
RGB	rgb(49, 84, 178)
HSL	hsl(224, 57%, 45%)
HSV	hsv(224, 72%, 70%)
CMYK	cmyk(72.5%, 52.8%, 0%, 30.2%)
CIE-LAB	lab(38.21, 20.40, -53.75)
CIE-LCH	lch(38.21, 57.49, 290.78°)
OKLab	oklab(47.47% -0.0123 -0.1546)
OKLCH	oklch(47.47% 0.155 265.4)
XYZ	xyz(12.4700, 10.2067, 43.4237)
Luminance	0.1021 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3154B2 #B28F31

analogous

#3195B2 #3154B2 #4F31B2

triadic

#3154B2 #B23154 #54B231

tetradic

#3154B2 #B23195 #B28F31 #31B24F

square

#3154B2 #B23195 #B28F31 #31B24F

split-complementary

#3154B2 #B24F31 #95B231

monochromatic

#172752 #243D82 #3154B2 #5173CF #819ADC

Accessibility & contrast

On white

6.90

#3154B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#3154B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3154B2

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3154B2	#FFFFFF	#000000	##FFFFFF
##3154B2	1.00	6.90	3.04	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1460B5

Deuteranopia (green-blind)

#0054B0

Tritanopia (blue-blind)

#006B7B

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3154b2;
/* rgb */ color: rgb(49, 84, 178);
/* oklch */ color: oklch(47.5% 0.155 265.4);

Tailwind

colors: {
  custom: {
    50: '#7a83ca',
    500: '#3154b2',
    950: '#000000',
  },
}

SCSS

$custom: #3154b2;
$custom-light: #7a83ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3154b2",
  "rgb": {
    "r": 49,
    "g": 84,
    "b": 178
  },
  "hsl": {
    "h": 223.721,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.47465,
    "c": 0.15511,
    "h": 265.4
  },
  "luminance": 0.10208
}

Semantic roles & 50–950 ramp

primary

#3154B2

secondary

#C5B179

accent

#B748E0

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #3154B2

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

Preview Lab → · Contrast checker → · Palette generator →