#3157AE#3157AE

#3157AE is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.8% C 0.146 H 264.0°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#3157AE
RGB	rgb(49, 87, 174)
HSL	hsl(222, 56%, 44%)
HSV	hsv(222, 72%, 68%)
CMYK	cmyk(71.8%, 50%, 0%, 31.8%)
CIE-LAB	lab(38.77, 16.92, -50.49)
CIE-LCH	lch(38.77, 53.25, 288.53°)
OKLab	oklab(47.8% -0.0153 -0.145)
OKLCH	oklch(47.8% 0.146 264)
XYZ	xyz(12.3121, 10.5241, 41.4187)
Luminance	0.1052 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3157AE #AE8831

analogous

#3195AE #3157AE #4931AE

triadic

#3157AE #AE3157 #57AE31

tetradic

#3157AE #AE3195 #AE8831 #31AE49

square

#3157AE #AE3195 #AE8831 #31AE49

split-complementary

#3157AE #AE4931 #95AE31

monochromatic

#16274E #243F7E #3157AE #4F75CD #7F9BDB

Accessibility & contrast

On white

6.76

#3157AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#3157AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3157AE

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3157AE	#FFFFFF	#000000	##FFFFFF
##3157AE	1.00	6.76	3.11	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2561B1

Deuteranopia (green-blind)

#0056AC

Tritanopia (blue-blind)

#006C7A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3157ae;
/* rgb */ color: rgb(49, 87, 174);
/* oklch */ color: oklch(47.8% 0.146 264.0);

Tailwind

colors: {
  custom: {
    50: '#7985c7',
    500: '#3157ae',
    950: '#000000',
  },
}

SCSS

$custom: #3157ae;
$custom-light: #7985c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3157ae",
  "rgb": {
    "r": 49,
    "g": 87,
    "b": 174
  },
  "hsl": {
    "h": 221.76,
    "s": 56.054,
    "l": 43.725
  },
  "oklch": {
    "l": 0.478,
    "c": 0.14578,
    "h": 264
  },
  "luminance": 0.10525
}

Semantic roles & 50–950 ramp

primary

#3157AE

secondary

#C4AC77

accent

#B148DF

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3157AE

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

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