#3154B7#3154B7

#3154B7 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.9% C 0.162 H 265.8°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#3154B7
RGB	rgb(49, 84, 183)
HSL	hsl(224, 58%, 45%)
HSV	hsv(224, 73%, 72%)
CMYK	cmyk(73.2%, 54.1%, 0%, 28.2%)
CIE-LAB	lab(38.57, 22.27, -56.11)
CIE-LCH	lch(38.57, 60.37, 291.65°)
OKLab	oklab(47.85% -0.0119 -0.1616)
OKLCH	oklch(47.85% 0.162 265.8)
XYZ	xyz(12.9812, 10.4111, 46.1160)
Luminance	0.1041 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3154B7 #B79431

analogous

#3197B7 #3154B7 #5131B7

triadic

#3154B7 #B73154 #54B731

tetradic

#3154B7 #B73197 #B79431 #31B751

square

#3154B7 #B73197 #B79431 #31B751

split-complementary

#3154B7 #B75131 #97B731

monochromatic

#172856 #243E87 #3154B7 #5475D1 #849CDE

Accessibility & contrast

On white

6.81

#3154B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#3154B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3154B7

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3154B7	#FFFFFF	#000000	##FFFFFF
##3154B7	1.00	6.81	3.08	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0361BA

Deuteranopia (green-blind)

#0055B5

Tritanopia (blue-blind)

#006C7D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3154b7;
/* rgb */ color: rgb(49, 84, 183);
/* oklch */ color: oklch(47.9% 0.162 265.8);

Tailwind

colors: {
  custom: {
    50: '#7b83cd',
    500: '#3154b7',
    950: '#000000',
  },
}

SCSS

$custom: #3154b7;
$custom-light: #7b83cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3154b7",
  "rgb": {
    "r": 49,
    "g": 84,
    "b": 183
  },
  "hsl": {
    "h": 224.328,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.47852,
    "c": 0.16201,
    "h": 265.8
  },
  "luminance": 0.10413
}

Semantic roles & 50–950 ramp

primary

#3154B7

secondary

#C8B47C

accent

#B947E1

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3154B7

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

Preview Lab → · Contrast checker → · Palette generator →