#3D5BCC#3D5BCC

#3D5BCC is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.5% C 0.178 H 268.2°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#3D5BCC
RGB	rgb(61, 91, 204)
HSL	hsl(227, 58%, 52%)
HSV	hsv(227, 70%, 80%)
CMYK	cmyk(70.1%, 55.4%, 0%, 20%)
CIE-LAB	lab(42.51, 27.07, -61.92)
CIE-LCH	lch(42.51, 67.57, 293.62°)
OKLab	oklab(51.45% -0.0055 -0.1783)
OKLCH	oklch(51.45% 0.178 268.2)
XYZ	xyz(16.5609, 12.8322, 58.7191)
Luminance	0.1283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D5BCC #CCAE3D

analogous

#3DA2CC #3D5BCC #673DCC

triadic

#3D5BCC #CC3D5B #5BCC3D

tetradic

#3D5BCC #CC3DA2 #CCAE3D #3DCC67

square

#3D5BCC #CC3DA2 #CCAE3D #3DCC67

split-complementary

#3D5BCC #CC673D #A2CC3D

monochromatic

#1E2F71 #2A43A1 #3D5BCC #6D84D9 #9EADE5

Accessibility & contrast

On white

5.89

#3D5BCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#3D5BCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D5BCC

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D5BCC	#FFFFFF	#000000	##FFFFFF
##3D5BCC	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD0

Deuteranopia (green-blind)

#005ECA

Tritanopia (blue-blind)

#00778A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3d5bcc;
/* rgb */ color: rgb(61, 91, 204);
/* oklch */ color: oklch(51.5% 0.178 268.2);

Tailwind

colors: {
  custom: {
    50: '#8489dc',
    500: '#3d5bcc',
    950: '#000000',
  },
}

SCSS

$custom: #3d5bcc;
$custom-light: #8489dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3d5bcc",
  "rgb": {
    "r": 61,
    "g": 91,
    "b": 204
  },
  "hsl": {
    "h": 227.413,
    "s": 58.367,
    "l": 51.961
  },
  "oklch": {
    "l": 0.51454,
    "c": 0.17839,
    "h": 268.2
  },
  "luminance": 0.12834
}

Semantic roles & 50–950 ramp

primary

#3D5BCC

secondary

#D2C593

accent

#C146E2

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3D5BCC

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

Preview Lab → · Contrast checker → · Palette generator →