#3D54CB#3D54CB

#3D54CB is a mid, vivid blue. Relative luminance 0.116; OKLCH L 50.0% C 0.186 H 270.0°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#3D54CB
RGB	rgb(61, 84, 203)
HSL	hsl(230, 58%, 52%)
HSV	hsv(230, 70%, 80%)
CMYK	cmyk(70%, 58.6%, 0%, 20.4%)
CIE-LAB	lab(40.64, 31.18, -64.37)
CIE-LCH	lch(40.64, 71.53, 295.84°)
OKLab	oklab(50.03% 0 -0.1856)
OKLCH	oklch(50.03% 0.186 270)
XYZ	xyz(15.8706, 11.6430, 57.8993)
Luminance	0.1164 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D54CB #CBB43D

analogous

#3D9BCB #3D54CB #6D3DCB

triadic

#3D54CB #CB3D54 #54CB3D

tetradic

#3D54CB #CB3D9B #CBB43D #3DCB6D

square

#3D54CB #CB3D9B #CBB43D #3DCB6D

split-complementary

#3D54CB #CB6D3D #9BCB3D

monochromatic

#1E2B70 #2B3EA0 #3D54CB #6D7FD8 #9EA9E5

Accessibility & contrast

On white

6.31

#3D54CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#3D54CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D54CB

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D54CB	#FFFFFF	#000000	##FFFFFF
##3D54CB	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CF

Deuteranopia (green-blind)

#0059C9

Tritanopia (blue-blind)

#007287

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3d54cb;
/* rgb */ color: rgb(61, 84, 203);
/* oklch */ color: oklch(50.0% 0.186 270.0);

Tailwind

colors: {
  custom: {
    50: '#8483dc',
    500: '#3d54cb',
    950: '#000000',
  },
}

SCSS

$custom: #3d54cb;
$custom-light: #8483dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3d54cb",
  "rgb": {
    "r": 61,
    "g": 84,
    "b": 203
  },
  "hsl": {
    "h": 230.282,
    "s": 57.724,
    "l": 51.765
  },
  "oklch": {
    "l": 0.50034,
    "c": 0.18561,
    "h": 270
  },
  "luminance": 0.11645
}

Semantic roles & 50–950 ramp

primary

#3D54CB

secondary

#D1C793

accent

#C847E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3D54CB

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

Preview Lab → · Contrast checker → · Palette generator →