#3D5FBB#3D5FBB

#3D5FBB is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.0% C 0.150 H 266.0°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#3D5FBB
RGB	rgb(61, 95, 187)
HSL	hsl(224, 51%, 49%)
HSV	hsv(224, 67%, 73%)
CMYK	cmyk(67.4%, 49.2%, 0%, 26.7%)
CIE-LAB	lab(42.40, 18.36, -52.23)
CIE-LCH	lch(42.40, 55.36, 289.37°)
OKLab	oklab(51% -0.0105 -0.1497)
OKLCH	oklch(51% 0.15 266)
XYZ	xyz(14.9832, 12.7629, 48.6779)
Luminance	0.1276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D5FBB #BB993D

analogous

#3D9EBB #3D5FBB #5A3DBB

triadic

#3D5FBB #BB3D5F #5FBB3D

tetradic

#3D5FBB #BB3D9E #BB993D #3DBB5A

square

#3D5FBB #BB3D9E #BB993D #3DBB5A

split-complementary

#3D5FBB #BB5A3D #9EBB3D

monochromatic

#1F305F #2E488D #3D5FBB #6883CE #96A9DD

Accessibility & contrast

On white

5.91

#3D5FBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#3D5FBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D5FBB

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D5FBB	#FFFFFF	#000000	##FFFFFF
##3D5FBB	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D6ABE

Deuteranopia (green-blind)

#085FB9

Tritanopia (blue-blind)

#007484

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3d5fbb;
/* rgb */ color: rgb(61, 95, 187);
/* oklch */ color: oklch(51.0% 0.150 266.0);

Tailwind

colors: {
  custom: {
    50: '#808bd0',
    500: '#3d5fbb',
    950: '#000000',
  },
}

SCSS

$custom: #3d5fbb;
$custom-light: #808bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d5fbb",
  "rgb": {
    "r": 61,
    "g": 95,
    "b": 187
  },
  "hsl": {
    "h": 223.81,
    "s": 50.806,
    "l": 48.627
  },
  "oklch": {
    "l": 0.51,
    "c": 0.15012,
    "h": 266
  },
  "luminance": 0.12764
}

Semantic roles & 50–950 ramp

primary

#3D5FBB

secondary

#C8B88C

accent

#B44EDA

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3D5FBB

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

Preview Lab → · Contrast checker → · Palette generator →