#3A54CB#3A54CB

#3A54CB is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.9% C 0.186 H 269.1°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#3A54CB
RGB	rgb(58, 84, 203)
HSL	hsl(229, 58%, 51%)
HSV	hsv(229, 71%, 80%)
CMYK	cmyk(71.4%, 58.6%, 0%, 20.4%)
CIE-LAB	lab(40.49, 30.79, -64.62)
CIE-LCH	lch(40.49, 71.58, 295.47°)
OKLab	oklab(49.88% -0.0029 -0.1864)
OKLCH	oklch(49.88% 0.186 269.1)
XYZ	xyz(15.6910, 11.5504, 57.8908)
Luminance	0.1155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A54CB #CBB13A

analogous

#3A9CCB #3A54CB #683ACB

triadic

#3A54CB #CB3A54 #54CB3A

tetradic

#3A54CB #CB3A9C #CBB13A #3ACB68

square

#3A54CB #CB3A9C #CBB13A #3ACB68

split-complementary

#3A54CB #CB683A #9CCB3A

monochromatic

#1D2B6E #2A3F9E #3A54CB #6A7ED8 #9BA8E5

Accessibility & contrast

On white

6.34

#3A54CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#3A54CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A54CB

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A54CB	#FFFFFF	#000000	##FFFFFF
##3A54CB	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)

#0066CF

Deuteranopia (green-blind)

#0059C9

Tritanopia (blue-blind)

#007287

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3a54cb;
/* rgb */ color: rgb(58, 84, 203);
/* oklch */ color: oklch(49.9% 0.186 269.1);

Tailwind

colors: {
  custom: {
    50: '#8383dc',
    500: '#3a54cb',
    950: '#000000',
  },
}

SCSS

$custom: #3a54cb;
$custom-light: #8383dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3a54cb",
  "rgb": {
    "r": 58,
    "g": 84,
    "b": 203
  },
  "hsl": {
    "h": 229.241,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.49881,
    "c": 0.18643,
    "h": 269.1
  },
  "luminance": 0.11552
}

Semantic roles & 50–950 ramp

primary

#3A54CB

secondary

#D0C590

accent

#C646E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3A54CB

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

Preview Lab → · Contrast checker → · Palette generator →