#3153B7#3153B7

#3153B7 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.6% C 0.163 H 266.1°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#3153B7
RGB	rgb(49, 83, 183)
HSL	hsl(225, 58%, 45%)
HSV	hsv(225, 73%, 72%)
CMYK	cmyk(73.2%, 54.6%, 0%, 28.2%)
CIE-LAB	lab(38.30, 22.93, -56.55)
CIE-LCH	lch(38.30, 61.02, 292.07°)
OKLab	oklab(47.65% -0.0111 -0.1629)
OKLCH	oklch(47.65% 0.163 266.1)
XYZ	xyz(12.9041, 10.2570, 46.0903)
Luminance	0.1026 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3153B7 #B79531

analogous

#3196B7 #3153B7 #5231B7

triadic

#3153B7 #B73153 #53B731

tetradic

#3153B7 #B73196 #B79531 #31B752

square

#3153B7 #B73196 #B79531 #31B752

split-complementary

#3153B7 #B75231 #96B731

monochromatic

#172756 #243D87 #3153B7 #5474D1 #849BDE

Accessibility & contrast

On white

6.88

#3153B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#3153B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3153B7

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3153B7	#FFFFFF	#000000	##FFFFFF
##3153B7	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BA

Deuteranopia (green-blind)

#0054B5

Tritanopia (blue-blind)

#006B7D

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3153b7;
/* rgb */ color: rgb(49, 83, 183);
/* oklch */ color: oklch(47.6% 0.163 266.1);

Tailwind

colors: {
  custom: {
    50: '#7b82cd',
    500: '#3153b7',
    950: '#000000',
  },
}

SCSS

$custom: #3153b7;
$custom-light: #7b82cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3153b7",
  "rgb": {
    "r": 49,
    "g": 83,
    "b": 183
  },
  "hsl": {
    "h": 224.776,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.47647,
    "c": 0.16325,
    "h": 266.1
  },
  "luminance": 0.10258
}

Semantic roles & 50–950 ramp

primary

#3153B7

secondary

#C8B47C

accent

#BA47E1

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3153B7

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

Preview Lab → · Contrast checker → · Palette generator →