#3A55CB#3A55CB

#3A55CB is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.1% C 0.185 H 268.9°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#3A55CB
RGB	rgb(58, 85, 203)
HSL	hsl(229, 58%, 51%)
HSV	hsv(229, 71%, 80%)
CMYK	cmyk(71.4%, 58.1%, 0%, 20.4%)
CIE-LAB	lab(40.75, 30.15, -64.21)
CIE-LCH	lch(40.75, 70.94, 295.15°)
OKLab	oklab(50.07% -0.0037 -0.1852)
OKLCH	oklch(50.07% 0.185 268.9)
XYZ	xyz(15.7692, 11.7067, 57.9169)
Luminance	0.1171 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A55CB #CBB03A

analogous

#3A9DCB #3A55CB #673ACB

triadic

#3A55CB #CB3A55 #55CB3A

tetradic

#3A55CB #CB3A9D #CBB03A #3ACB67

square

#3A55CB #CB3A9D #CBB03A #3ACB67

split-complementary

#3A55CB #CB673A #9DCB3A

monochromatic

#1D2C6E #2A3F9E #3A55CB #6A7FD8 #9BA9E5

Accessibility & contrast

On white

6.28

#3A55CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#3A55CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A55CB

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A55CB	#FFFFFF	#000000	##FFFFFF
##3A55CB	1.00	6.28	3.34	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CF

Deuteranopia (green-blind)

#005AC9

Tritanopia (blue-blind)

#007288

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3a55cb;
/* rgb */ color: rgb(58, 85, 203);
/* oklch */ color: oklch(50.1% 0.185 268.9);

Tailwind

colors: {
  custom: {
    50: '#8384dc',
    500: '#3a55cb',
    950: '#000000',
  },
}

SCSS

$custom: #3a55cb;
$custom-light: #8384dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3a55cb",
  "rgb": {
    "r": 58,
    "g": 85,
    "b": 203
  },
  "hsl": {
    "h": 228.828,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.50071,
    "c": 0.18523,
    "h": 268.9
  },
  "luminance": 0.11708
}

Semantic roles & 50–950 ramp

primary

#3A55CB

secondary

#D0C590

accent

#C546E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3A55CB

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

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