#4159BC#4159BC

#4159BC is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.1% C 0.158 H 269.6°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#4159BC
RGB	rgb(65, 89, 188)
HSL	hsl(228, 49%, 50%)
HSV	hsv(228, 65%, 74%)
CMYK	cmyk(65.4%, 52.7%, 0%, 26.3%)
CIE-LAB	lab(41.05, 23.23, -54.98)
CIE-LCH	lch(41.05, 59.69, 292.91°)
OKLab	oklab(50.05% -0.001 -0.1578)
OKLCH	oklch(50.05% 0.158 269.6)
XYZ	xyz(14.8264, 11.8981, 49.0824)
Luminance	0.1190 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4159BC #BCA441

analogous

#4197BC #4159BC #6741BC

triadic

#4159BC #BC4159 #59BC41

tetradic

#4159BC #BC4197 #BCA441 #41BC67

square

#4159BC #BC4197 #BCA441 #41BC67

split-complementary

#4159BC #BC6741 #97BC41

monochromatic

#222E61 #31438F #4159BC #6E80CD #9BA8DC

Accessibility & contrast

On white

6.21

#4159BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#4159BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4159BC

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4159BC	#FFFFFF	#000000	##FFFFFF
##4159BC	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)

#1A67BF

Deuteranopia (green-blind)

#005CBA

Tritanopia (blue-blind)

#007082

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4159bc;
/* rgb */ color: rgb(65, 89, 188);
/* oklch */ color: oklch(50.1% 0.158 269.6);

Tailwind

colors: {
  custom: {
    50: '#8387d1',
    500: '#4159bc',
    950: '#000000',
  },
}

SCSS

$custom: #4159bc;
$custom-light: #8387d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4159bc",
  "rgb": {
    "r": 65,
    "g": 89,
    "b": 188
  },
  "hsl": {
    "h": 228.293,
    "s": 48.617,
    "l": 49.608
  },
  "oklch": {
    "l": 0.50053,
    "c": 0.15784,
    "h": 269.6
  },
  "luminance": 0.11899
}

Semantic roles & 50–950 ramp

primary

#4159BC

secondary

#C9BE90

accent

#BE50D8

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4159BC

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

Preview Lab → · Contrast checker → · Palette generator →