#3D53B3#3D53B3

#3D53B3 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.9% C 0.154 H 269.9°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#3D53B3
RGB	rgb(61, 83, 179)
HSL	hsl(229, 49%, 47%)
HSV	hsv(229, 66%, 70%)
CMYK	cmyk(65.9%, 53.6%, 0%, 29.8%)
CIE-LAB	lab(38.61, 23.24, -53.67)
CIE-LCH	lch(38.61, 58.48, 293.41°)
OKLab	oklab(47.95% -0.0001 -0.1541)
OKLCH	oklch(47.95% 0.154 269.9)
XYZ	xyz(13.1516, 10.4321, 43.9596)
Luminance	0.1043 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D53B3 #B39D3D

analogous

#3D8EB3 #3D53B3 #623DB3

triadic

#3D53B3 #B33D53 #53B33D

tetradic

#3D53B3 #B33D8E #B39D3D #3DB362

square

#3D53B3 #B33D8E #B39D3D #3DB362

split-complementary

#3D53B3 #B3623D #8EB33D

monochromatic

#1E2958 #2D3E85 #3D53B3 #6376CA #919ED9

Accessibility & contrast

On white

6.80

#3D53B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#3D53B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D53B3

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D53B3	#FFFFFF	#000000	##FFFFFF
##3D53B3	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1160B6

Deuteranopia (green-blind)

#0056B1

Tritanopia (blue-blind)

#006A7B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3d53b3;
/* rgb */ color: rgb(61, 83, 179);
/* oklch */ color: oklch(47.9% 0.154 269.9);

Tailwind

colors: {
  custom: {
    50: '#7f83ca',
    500: '#3d53b3',
    950: '#000000',
  },
}

SCSS

$custom: #3d53b3;
$custom-light: #7f83ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3d53b3",
  "rgb": {
    "r": 61,
    "g": 83,
    "b": 179
  },
  "hsl": {
    "h": 228.814,
    "s": 49.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.47949,
    "c": 0.15415,
    "h": 269.9
  },
  "luminance": 0.10433
}

Semantic roles & 50–950 ramp

primary

#3D53B3

secondary

#C5B987

accent

#BF4FD9

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3D53B3

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

Preview Lab → · Contrast checker → · Palette generator →