#3158AD#3158AD

#3158AD is a mid, vivid blue. Relative luminance 0.106; OKLCH L 47.9% C 0.143 H 263.4°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#3158AD
RGB	rgb(49, 88, 173)
HSL	hsl(221, 56%, 44%)
HSV	hsv(221, 72%, 68%)
CMYK	cmyk(71.7%, 49.1%, 0%, 32.2%)
CIE-LAB	lab(38.98, 15.89, -49.55)
CIE-LCH	lch(38.98, 52.04, 287.78°)
OKLab	oklab(47.94% -0.0164 -0.1422)
OKLCH	oklch(47.94% 0.143 263.4)
XYZ	xyz(12.2965, 10.6483, 40.9343)
Luminance	0.1065 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3158AD #AD8631

analogous

#3196AD #3158AD #4831AD

triadic

#3158AD #AD3158 #58AD31

tetradic

#3158AD #AD3196 #AD8631 #31AD48

square

#3158AD #AD3196 #AD8631 #31AD48

split-complementary

#3158AD #AD4831 #96AD31

monochromatic

#16274E #23407D #3158AD #4E76CD #7E9BDA

Accessibility & contrast

On white

6.71

#3158AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#3158AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3158AD

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3158AD	#FFFFFF	#000000	##FFFFFF
##3158AD	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2962B0

Deuteranopia (green-blind)

#0056AB

Tritanopia (blue-blind)

#006C7A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3158ad;
/* rgb */ color: rgb(49, 88, 173);
/* oklch */ color: oklch(47.9% 0.143 263.4);

Tailwind

colors: {
  custom: {
    50: '#7986c6',
    500: '#3158ad',
    950: '#000000',
  },
}

SCSS

$custom: #3158ad;
$custom-light: #7986c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3158ad",
  "rgb": {
    "r": 49,
    "g": 88,
    "b": 173
  },
  "hsl": {
    "h": 221.129,
    "s": 55.856,
    "l": 43.529
  },
  "oklch": {
    "l": 0.47942,
    "c": 0.14314,
    "h": 263.4
  },
  "luminance": 0.1065
}

Semantic roles & 50–950 ramp

primary

#3158AD

secondary

#C3AB77

accent

#B049DF

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3158AD

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

Preview Lab → · Contrast checker → · Palette generator →