#4059BD#4059BD

#4059BD is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.1% C 0.160 H 269.3°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#4059BD
RGB	rgb(64, 89, 189)
HSL	hsl(228, 49%, 50%)
HSV	hsv(228, 66%, 74%)
CMYK	cmyk(66.1%, 52.9%, 0%, 25.9%)
CIE-LAB	lab(41.07, 23.43, -55.54)
CIE-LCH	lch(41.07, 60.28, 292.87°)
OKLab	oklab(50.07% -0.0019 -0.1595)
OKLCH	oklch(50.07% 0.16 269.3)
XYZ	xyz(14.8689, 11.9075, 49.6490)
Luminance	0.1191 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4059BD #BDA440

analogous

#4098BD #4059BD #6640BD

triadic

#4059BD #BD4059 #59BD40

tetradic

#4059BD #BD4098 #BDA440 #40BD66

square

#4059BD #BD4098 #BDA440 #40BD66

split-complementary

#4059BD #BD6640 #98BD40

monochromatic

#212E62 #31438F #4059BD #6D80CD #9AA8DD

Accessibility & contrast

On white

6.21

#4059BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#4059BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4059BD

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4059BD	#FFFFFF	#000000	##FFFFFF
##4059BD	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1767C1

Deuteranopia (green-blind)

#005BBB

Tritanopia (blue-blind)

#007182

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4059bd;
/* rgb */ color: rgb(64, 89, 189);
/* oklch */ color: oklch(50.1% 0.160 269.3);

Tailwind

colors: {
  custom: {
    50: '#8287d2',
    500: '#4059bd',
    950: '#000000',
  },
}

SCSS

$custom: #4059bd;
$custom-light: #8287d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4059bd",
  "rgb": {
    "r": 64,
    "g": 89,
    "b": 189
  },
  "hsl": {
    "h": 228,
    "s": 49.407,
    "l": 49.608
  },
  "oklch": {
    "l": 0.50072,
    "c": 0.15953,
    "h": 269.3
  },
  "luminance": 0.11909
}

Semantic roles & 50–950 ramp

primary

#4059BD

secondary

#C9BE90

accent

#BD4FD9

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4059BD

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

Preview Lab → · Contrast checker → · Palette generator →