#3123BD#3123BD

#3123BD is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.5% C 0.222 H 274.1°. Best body text is #FFFFFF at 9.97:1 contrast (WCAG AA passes).

Color values

HEX	#3123BD
RGB	rgb(49, 35, 189)
HSL	hsl(245, 69%, 44%)
HSV	hsv(245, 81%, 74%)
CMYK	cmyk(74.1%, 81.5%, 0%, 25.9%)
CIE-LAB	lab(28.19, 53.56, -76.68)
CIE-LCH	lch(28.19, 93.53, 304.93°)
OKLab	oklab(40.47% 0.0158 -0.2218)
OKLCH	oklch(40.47% 0.222 274.1)
XYZ	xyz(11.0499, 5.5280, 48.6189)
Luminance	0.0553 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3123BD #AFBD23

analogous

#2362BD #3123BD #7E23BD

triadic

#3123BD #BD3123 #23BD31

tetradic

#3123BD #BD2362 #AFBD23 #23BD7E

square

#3123BD #BD2362 #AFBD23 #23BD7E

split-complementary

#3123BD #BD7E23 #62BD23

monochromatic

#161056 #241989 #3123BD #4F41DC #7F75E5

Accessibility & contrast

On white

9.97

#3123BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#3123BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3123BD

9.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3123BD	#FFFFFF	#000000	##FFFFFF
##3123BD	1.00	9.97	2.11	9.97
#FFFFFF	9.97	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049C1

Deuteranopia (green-blind)

#003BBA

Tritanopia (blue-blind)

#005471

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3123bd;
/* rgb */ color: rgb(49, 35, 189);
/* oklch */ color: oklch(40.5% 0.222 274.1);

Tailwind

colors: {
  custom: {
    50: '#8163d2',
    500: '#3123bd',
    950: '#000000',
  },
}

SCSS

$custom: #3123bd;
$custom-light: #8163d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3123bd",
  "rgb": {
    "r": 49,
    "g": 35,
    "b": 189
  },
  "hsl": {
    "h": 245.455,
    "s": 68.75,
    "l": 43.922
  },
  "oklch": {
    "l": 0.40467,
    "c": 0.22232,
    "h": 274.1
  },
  "luminance": 0.05529
}

Semantic roles & 50–950 ramp

primary

#3123BD

secondary

#C4CD6F

accent

#EC3CDC

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0514

muted

#7D7A83

Preview Lab

Preview with #3123BD

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

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