#4159CF#4159CF

#4159CF is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.5% C 0.184 H 270.0°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#4159CF
RGB	rgb(65, 89, 207)
HSL	hsl(230, 60%, 53%)
HSV	hsv(230, 69%, 81%)
CMYK	cmyk(68.6%, 57%, 0%, 18.8%)
CIE-LAB	lab(42.42, 29.97, -63.78)
CIE-LCH	lch(42.42, 70.47, 295.17°)
OKLab	oklab(51.51% 0 -0.1837)
OKLCH	oklch(51.51% 0.184 270)
XYZ	xyz(17.0110, 12.7719, 60.5881)
Luminance	0.1277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4159CF #CFB741

analogous

#41A0CF #4159CF #7041CF

triadic

#4159CF #CF4159 #59CF41

tetradic

#4159CF #CF41A0 #CFB741 #41CF70

square

#4159CF #CF41A0 #CFB741 #41CF70

split-complementary

#4159CF #CF7041 #A0CF41

monochromatic

#1E2D77 #2B40A8 #4159CF #7284DB #A3AEE8

Accessibility & contrast

On white

5.91

#4159CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#4159CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4159CF

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4159CF	#FFFFFF	#000000	##FFFFFF
##4159CF	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD3

Deuteranopia (green-blind)

#005ECD

Tritanopia (blue-blind)

#00768B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4159cf;
/* rgb */ color: rgb(65, 89, 207);
/* oklch */ color: oklch(51.5% 0.184 270.0);

Tailwind

colors: {
  custom: {
    50: '#8687df',
    500: '#4159cf',
    950: '#000000',
  },
}

SCSS

$custom: #4159cf;
$custom-light: #8687df;
$custom-dark: #000000;

JSON

{
  "hex": "#4159cf",
  "rgb": {
    "r": 65,
    "g": 89,
    "b": 207
  },
  "hsl": {
    "h": 229.859,
    "s": 59.664,
    "l": 53.333
  },
  "oklch": {
    "l": 0.51509,
    "c": 0.18373,
    "h": 270
  },
  "luminance": 0.12774
}

Semantic roles & 50–950 ramp

primary

#4159CF

secondary

#D4CA97

accent

#C845E3

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0D0B15

muted

#7D7C83

Preview Lab

Preview with #4159CF

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

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