#4159CB#4159CB

#4159CB is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.2% C 0.178 H 270.0°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#4159CB
RGB	rgb(65, 89, 203)
HSL	hsl(230, 57%, 53%)
HSV	hsv(230, 68%, 80%)
CMYK	cmyk(68%, 56.2%, 0%, 20.4%)
CIE-LAB	lab(42.12, 28.56, -61.96)
CIE-LCH	lch(42.12, 68.22, 294.75°)
OKLab	oklab(51.19% -0.0001 -0.1784)
OKLCH	oklch(51.19% 0.178 270)
XYZ	xyz(16.5282, 12.5788, 58.0452)
Luminance	0.1258 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4159CB #CBB341

analogous

#419ECB #4159CB #6E41CB

triadic

#4159CB #CB4159 #59CB41

tetradic

#4159CB #CB419E #CBB341 #41CB6E

square

#4159CB #CB419E #CBB341 #41CB6E

split-complementary

#4159CB #CB6E41 #9ECB41

monochromatic

#1F2E72 #2C41A2 #4159CB #7183D8 #A1ADE5

Accessibility & contrast

On white

5.97

#4159CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#4159CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4159CB

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4159CB	#FFFFFF	#000000	##FFFFFF
##4159CB	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACF

Deuteranopia (green-blind)

#005DC9

Tritanopia (blue-blind)

#007589

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4159cb;
/* rgb */ color: rgb(65, 89, 203);
/* oklch */ color: oklch(51.2% 0.178 270.0);

Tailwind

colors: {
  custom: {
    50: '#8687dc',
    500: '#4159cb',
    950: '#000000',
  },
}

SCSS

$custom: #4159cb;
$custom-light: #8687dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4159cb",
  "rgb": {
    "r": 65,
    "g": 89,
    "b": 203
  },
  "hsl": {
    "h": 229.565,
    "s": 57.025,
    "l": 52.549
  },
  "oklch": {
    "l": 0.51194,
    "c": 0.17837,
    "h": 270
  },
  "luminance": 0.1258
}

Semantic roles & 50–950 ramp

primary

#4159CB

secondary

#D2C796

accent

#C648E0

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #4159CB

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

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