#4359CF#4359CF

#4359CF is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.6% C 0.183 H 270.6°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#4359CF
RGB	rgb(67, 89, 207)
HSL	hsl(231, 59%, 54%)
HSV	hsv(231, 68%, 81%)
CMYK	cmyk(67.6%, 57%, 0%, 18.8%)
CIE-LAB	lab(42.52, 30.26, -63.61)
CIE-LCH	lch(42.52, 70.44, 295.44°)
OKLab	oklab(51.62% 0.002 -0.1832)
OKLCH	oklch(51.62% 0.183 270.6)
XYZ	xyz(17.1458, 12.8414, 60.5944)
Luminance	0.1284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4359CF #CFB943

analogous

#439FCF #4359CF #7343CF

triadic

#4359CF #CF4359 #59CF43

tetradic

#4359CF #CF439F #CFB943 #43CF73

square

#4359CF #CF439F #CFB943 #43CF73

split-complementary

#4359CF #CF7343 #9FCF43

monochromatic

#1F2D79 #2B3FAA #4359CF #7484DB #A5AFE8

Accessibility & contrast

On white

5.88

#4359CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#4359CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4359CF

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4359CF	#FFFFFF	#000000	##FFFFFF
##4359CF	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	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: #4359cf;
/* rgb */ color: rgb(67, 89, 207);
/* oklch */ color: oklch(51.6% 0.183 270.6);

Tailwind

colors: {
  custom: {
    50: '#8787de',
    500: '#4359cf',
    950: '#000000',
  },
}

SCSS

$custom: #4359cf;
$custom-light: #8787de;
$custom-dark: #000000;

JSON

{
  "hex": "#4359cf",
  "rgb": {
    "r": 67,
    "g": 89,
    "b": 207
  },
  "hsl": {
    "h": 230.571,
    "s": 59.322,
    "l": 53.725
  },
  "oklch": {
    "l": 0.51616,
    "c": 0.18318,
    "h": 270.6
  },
  "luminance": 0.12843
}

Semantic roles & 50–950 ramp

primary

#4359CF

secondary

#D5CB99

accent

#CA45E3

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4359CF

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

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