#3154B1#3154B1

#3154B1 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.4% C 0.154 H 265.4°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#3154B1
RGB	rgb(49, 84, 177)
HSL	hsl(224, 57%, 44%)
HSV	hsv(224, 72%, 69%)
CMYK	cmyk(72.3%, 52.5%, 0%, 30.6%)
CIE-LAB	lab(38.14, 20.02, -53.27)
CIE-LCH	lch(38.14, 56.91, 290.60°)
OKLab	oklab(47.39% -0.0124 -0.1532)
OKLCH	oklch(47.39% 0.154 265.4)
XYZ	xyz(12.3700, 10.1666, 42.8969)
Luminance	0.1017 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3154B1 #B18E31

analogous

#3194B1 #3154B1 #4E31B1

triadic

#3154B1 #B13154 #54B131

tetradic

#3154B1 #B13194 #B18E31 #31B14E

square

#3154B1 #B13194 #B18E31 #31B14E

split-complementary

#3154B1 #B14E31 #94B131

monochromatic

#162751 #243D81 #3154B1 #5173CF #8099DC

Accessibility & contrast

On white

6.92

#3154B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#3154B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3154B1

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3154B1	#FFFFFF	#000000	##FFFFFF
##3154B1	1.00	6.92	3.03	6.92
#FFFFFF	6.92	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1660B4

Deuteranopia (green-blind)

#0054AF

Tritanopia (blue-blind)

#006A7A

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3154b1;
/* rgb */ color: rgb(49, 84, 177);
/* oklch */ color: oklch(47.4% 0.154 265.4);

Tailwind

colors: {
  custom: {
    50: '#7a83c9',
    500: '#3154b1',
    950: '#000000',
  },
}

SCSS

$custom: #3154b1;
$custom-light: #7a83c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3154b1",
  "rgb": {
    "r": 49,
    "g": 84,
    "b": 177
  },
  "hsl": {
    "h": 223.594,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.47389,
    "c": 0.15372,
    "h": 265.4
  },
  "luminance": 0.10168
}

Semantic roles & 50–950 ramp

primary

#3154B1

secondary

#C5B079

accent

#B648E0

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #3154B1

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

Preview Lab → · Contrast checker → · Palette generator →