#3158AB#3158AB

#3158AB is a mid, vivid blue. Relative luminance 0.106; OKLCH L 47.8% C 0.140 H 263.2°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#3158AB
RGB	rgb(49, 88, 171)
HSL	hsl(221, 55%, 43%)
HSV	hsv(221, 71%, 67%)
CMYK	cmyk(71.3%, 48.5%, 0%, 32.9%)
CIE-LAB	lab(38.85, 15.14, -48.58)
CIE-LCH	lch(38.85, 50.88, 287.31°)
OKLab	oklab(47.8% -0.0167 -0.1393)
OKLCH	oklch(47.8% 0.14 263.2)
XYZ	xyz(12.1044, 10.5714, 39.9227)
Luminance	0.1057 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3158AB #AB8431

analogous

#3195AB #3158AB #4731AB

triadic

#3158AB #AB3158 #58AB31

tetradic

#3158AB #AB3195 #AB8431 #31AB47

square

#3158AB #AB3195 #AB8431 #31AB47

split-complementary

#3158AB #AB4731 #95AB31

monochromatic

#16274C #23407B #3158AB #4D76CC #7D9ADA

Accessibility & contrast

On white

6.74

#3158AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#3158AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3158AB

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3158AB	#FFFFFF	#000000	##FFFFFF
##3158AB	1.00	6.74	3.11	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B61AE

Deuteranopia (green-blind)

#0856A9

Tritanopia (blue-blind)

#006C79

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3158ab;
/* rgb */ color: rgb(49, 88, 171);
/* oklch */ color: oklch(47.8% 0.140 263.2);

Tailwind

colors: {
  custom: {
    50: '#7886c4',
    500: '#3158ab',
    950: '#000000',
  },
}

SCSS

$custom: #3158ab;
$custom-light: #7886c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3158ab",
  "rgb": {
    "r": 49,
    "g": 88,
    "b": 171
  },
  "hsl": {
    "h": 220.82,
    "s": 55.455,
    "l": 43.137
  },
  "oklch": {
    "l": 0.47799,
    "c": 0.14033,
    "h": 263.2
  },
  "luminance": 0.10573
}

Semantic roles & 50–950 ramp

primary

#3158AB

secondary

#C2AA75

accent

#AF49DF

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3158AB

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

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