#3155AE#3155AE

#3155AE is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.4% C 0.148 H 264.7°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#3155AE
RGB	rgb(49, 85, 174)
HSL	hsl(223, 56%, 44%)
HSV	hsv(223, 72%, 68%)
CMYK	cmyk(71.8%, 51.1%, 0%, 31.8%)
CIE-LAB	lab(38.21, 18.24, -51.39)
CIE-LCH	lch(38.21, 54.53, 289.54°)
OKLab	oklab(47.37% -0.0136 -0.1477)
OKLCH	oklch(47.37% 0.148 264.7)
XYZ	xyz(12.1524, 10.2047, 41.3654)
Luminance	0.1021 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3155AE #AE8A31

analogous

#3193AE #3155AE #4B31AE

triadic

#3155AE #AE3155 #55AE31

tetradic

#3155AE #AE3193 #AE8A31 #31AE4B

square

#3155AE #AE3193 #AE8A31 #31AE4B

split-complementary

#3155AE #AE4B31 #93AE31

monochromatic

#16264E #243E7E #3155AE #4F73CD #7F99DB

Accessibility & contrast

On white

6.91

#3155AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#3155AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3155AE

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3155AE	#FFFFFF	#000000	##FFFFFF
##3155AE	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F60B1

Deuteranopia (green-blind)

#0055AC

Tritanopia (blue-blind)

#006A79

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3155ae;
/* rgb */ color: rgb(49, 85, 174);
/* oklch */ color: oklch(47.4% 0.148 264.7);

Tailwind

colors: {
  custom: {
    50: '#7984c7',
    500: '#3155ae',
    950: '#000000',
  },
}

SCSS

$custom: #3155ae;
$custom-light: #7984c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3155ae",
  "rgb": {
    "r": 49,
    "g": 85,
    "b": 174
  },
  "hsl": {
    "h": 222.72,
    "s": 56.054,
    "l": 43.725
  },
  "oklch": {
    "l": 0.47374,
    "c": 0.14828,
    "h": 264.7
  },
  "luminance": 0.10206
}

Semantic roles & 50–950 ramp

primary

#3155AE

secondary

#C4AE77

accent

#B448DF

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #3155AE

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

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