#3D53CB#3D53CB

#3D53CB is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.8% C 0.187 H 270.2°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#3D53CB
RGB	rgb(61, 83, 203)
HSL	hsl(231, 58%, 52%)
HSV	hsv(231, 70%, 80%)
CMYK	cmyk(70%, 59.1%, 0%, 20.4%)
CIE-LAB	lab(40.39, 31.82, -64.78)
CIE-LCH	lch(40.39, 72.17, 296.16°)
OKLab	oklab(49.85% 0.0007 -0.1868)
OKLCH	oklch(49.85% 0.187 270.2)
XYZ	xyz(15.7935, 11.4888, 57.8736)
Luminance	0.1149 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D53CB #CBB53D

analogous

#3D9ACB #3D53CB #6E3DCB

triadic

#3D53CB #CB3D53 #53CB3D

tetradic

#3D53CB #CB3D9A #CBB53D #3DCB6E

square

#3D53CB #CB3D9A #CBB53D #3DCB6E

split-complementary

#3D53CB #CB6E3D #9ACB3D

monochromatic

#1E2B70 #2B3DA0 #3D53CB #6D7ED8 #9EA9E5

Accessibility & contrast

On white

6.37

#3D53CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#3D53CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D53CB

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D53CB	#FFFFFF	#000000	##FFFFFF
##3D53CB	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CF

Deuteranopia (green-blind)

#0059C9

Tritanopia (blue-blind)

#007187

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3d53cb;
/* rgb */ color: rgb(61, 83, 203);
/* oklch */ color: oklch(49.8% 0.187 270.2);

Tailwind

colors: {
  custom: {
    50: '#8483dc',
    500: '#3d53cb',
    950: '#000000',
  },
}

SCSS

$custom: #3d53cb;
$custom-light: #8483dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3d53cb",
  "rgb": {
    "r": 61,
    "g": 83,
    "b": 203
  },
  "hsl": {
    "h": 230.704,
    "s": 57.724,
    "l": 51.765
  },
  "oklch": {
    "l": 0.49848,
    "c": 0.18682,
    "h": 270.2
  },
  "luminance": 0.1149
}

Semantic roles & 50–950 ramp

primary

#3D53CB

secondary

#D1C793

accent

#C947E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3D53CB

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

Preview Lab → · Contrast checker → · Palette generator →