#3D58BB#3D58BB

#3D58BB is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.6% C 0.159 H 268.5°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#3D58BB
RGB	rgb(61, 88, 187)
HSL	hsl(227, 51%, 49%)
HSV	hsv(227, 67%, 73%)
CMYK	cmyk(67.4%, 52.9%, 0%, 26.7%)
CIE-LAB	lab(40.50, 22.88, -55.30)
CIE-LCH	lch(40.50, 59.84, 292.48°)
OKLab	oklab(49.56% -0.0041 -0.1589)
OKLCH	oklch(49.56% 0.159 268.5)
XYZ	xyz(14.3808, 11.5580, 48.4771)
Luminance	0.1156 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D58BB #BBA03D

analogous

#3D97BB #3D58BB #613DBB

triadic

#3D58BB #BB3D58 #58BB3D

tetradic

#3D58BB #BB3D97 #BBA03D #3DBB61

square

#3D58BB #BB3D97 #BBA03D #3DBB61

split-complementary

#3D58BB #BB613D #97BB3D

monochromatic

#1F2D5F #2E428D #3D58BB #687DCE #96A5DD

Accessibility & contrast

On white

6.34

#3D58BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#3D58BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D58BB

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D58BB	#FFFFFF	#000000	##FFFFFF
##3D58BB	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1665BE

Deuteranopia (green-blind)

#005AB9

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3d58bb;
/* rgb */ color: rgb(61, 88, 187);
/* oklch */ color: oklch(49.6% 0.159 268.5);

Tailwind

colors: {
  custom: {
    50: '#8186d0',
    500: '#3d58bb',
    950: '#000000',
  },
}

SCSS

$custom: #3d58bb;
$custom-light: #8186d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d58bb",
  "rgb": {
    "r": 61,
    "g": 88,
    "b": 187
  },
  "hsl": {
    "h": 227.143,
    "s": 50.806,
    "l": 48.627
  },
  "oklch": {
    "l": 0.4956,
    "c": 0.15892,
    "h": 268.5
  },
  "luminance": 0.11559
}

Semantic roles & 50–950 ramp

primary

#3D58BB

secondary

#C8BB8C

accent

#BC4EDA

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3D58BB

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

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