#4058BC#4058BC

#4058BC is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.8% C 0.159 H 269.6°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#4058BC
RGB	rgb(64, 88, 188)
HSL	hsl(228, 49%, 49%)
HSV	hsv(228, 66%, 74%)
CMYK	cmyk(66%, 53.2%, 0%, 26.3%)
CIE-LAB	lab(40.73, 23.71, -55.50)
CIE-LCH	lch(40.73, 60.36, 293.13°)
OKLab	oklab(49.8% -0.0011 -0.1594)
OKLCH	oklch(49.8% 0.159 269.6)
XYZ	xyz(14.6781, 11.6989, 49.0518)
Luminance	0.1170 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4058BC #BCA440

analogous

#4096BC #4058BC #6640BC

triadic

#4058BC #BC4058 #58BC40

tetradic

#4058BC #BC4096 #BCA440 #40BC66

square

#4058BC #BC4096 #BCA440 #40BC66

split-complementary

#4058BC #BC6640 #96BC40

monochromatic

#212D61 #30438E #4058BC #6C7FCD #9AA7DD

Accessibility & contrast

On white

6.29

#4058BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#4058BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4058BC

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4058BC	#FFFFFF	#000000	##FFFFFF
##4058BC	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1566C0

Deuteranopia (green-blind)

#005BBA

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4058bc;
/* rgb */ color: rgb(64, 88, 188);
/* oklch */ color: oklch(49.8% 0.159 269.6);

Tailwind

colors: {
  custom: {
    50: '#8286d1',
    500: '#4058bc',
    950: '#000000',
  },
}

SCSS

$custom: #4058bc;
$custom-light: #8286d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4058bc",
  "rgb": {
    "r": 64,
    "g": 88,
    "b": 188
  },
  "hsl": {
    "h": 228.387,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.49797,
    "c": 0.15941,
    "h": 269.6
  },
  "luminance": 0.117
}

Semantic roles & 50–950 ramp

primary

#4058BC

secondary

#C9BD8F

accent

#BE4FD9

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4058BC

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

Preview Lab → · Contrast checker → · Palette generator →