#4359B1#4359B1

#4359B1 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.4% C 0.142 H 270.0°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#4359B1
RGB	rgb(67, 89, 177)
HSL	hsl(228, 45%, 48%)
HSV	hsv(228, 62%, 69%)
CMYK	cmyk(62.1%, 49.7%, 0%, 30.6%)
CIE-LAB	lab(40.43, 19.70, -49.54)
CIE-LCH	lch(40.43, 53.31, 291.69°)
OKLab	oklab(49.37% 0 -0.1418)
OKLCH	oklch(49.37% 0.142 270)
XYZ	xyz(13.8203, 11.5112, 43.0800)
Luminance	0.1151 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4359B1 #B19B43

analogous

#4390B1 #4359B1 #6443B1

triadic

#4359B1 #B14359 #59B143

tetradic

#4359B1 #B14390 #B19B43 #43B164

square

#4359B1 #B14390 #B19B43 #43B164

split-complementary

#4359B1 #B16443 #90B143

monochromatic

#212C58 #324385 #4359B1 #6A7DC7 #97A4D8

Accessibility & contrast

On white

6.36

#4359B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#4359B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4359B1

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4359B1	#FFFFFF	#000000	##FFFFFF
##4359B1	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A64B4

Deuteranopia (green-blind)

#135BAF

Tritanopia (blue-blind)

#006D7C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4359b1;
/* rgb */ color: rgb(67, 89, 177);
/* oklch */ color: oklch(49.4% 0.142 270.0);

Tailwind

colors: {
  custom: {
    50: '#8287c9',
    500: '#4359b1',
    950: '#000000',
  },
}

SCSS

$custom: #4359b1;
$custom-light: #8287c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4359b1",
  "rgb": {
    "r": 67,
    "g": 89,
    "b": 177
  },
  "hsl": {
    "h": 228,
    "s": 45.082,
    "l": 47.843
  },
  "oklch": {
    "l": 0.49374,
    "c": 0.14177,
    "h": 270
  },
  "luminance": 0.11512
}

Semantic roles & 50–950 ramp

primary

#4359B1

secondary

#C3B88C

accent

#BB53D5

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #4359B1

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

Preview Lab → · Contrast checker → · Palette generator →