#43639E#43639E

#43639E is a mid, moderate blue. Relative luminance 0.126; OKLCH L 50.3% C 0.102 H 261.8°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#43639E
RGB	rgb(67, 99, 158)
HSL	hsl(219, 40%, 44%)
HSV	hsv(219, 58%, 62%)
CMYK	cmyk(57.6%, 37.3%, 0%, 38%)
CIE-LAB	lab(42.13, 6.70, -35.58)
CIE-LCH	lch(42.13, 36.20, 280.66°)
OKLab	oklab(50.32% -0.0145 -0.1007)
OKLCH	oklch(50.32% 0.102 261.8)
XYZ	xyz(12.9460, 12.5846, 34.0880)
Luminance	0.1259 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#43639E #9E7E43

analogous

#43919E #43639E #51439E

triadic

#43639E #9E4363 #639E43

tetradic

#43639E #9E4391 #9E7E43 #439E51

square

#43639E #9E4391 #9E7E43 #439E51

split-complementary

#43639E #9E5143 #919E43

monochromatic

#1F2D48 #314873 #43639E #6282BC #8DA4CF

Accessibility & contrast

On white

5.97

#43639E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#43639E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #43639E

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##43639E	#FFFFFF	#000000	##FFFFFF
##43639E	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)

#4B68A0

Deuteranopia (green-blind)

#3F609D

Tritanopia (blue-blind)

#007079

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #43639e;
/* rgb */ color: rgb(67, 99, 158);
/* oklch */ color: oklch(50.3% 0.102 261.8);

Tailwind

colors: {
  custom: {
    50: '#7e8fbb',
    500: '#43639e',
    950: '#000000',
  },
}

SCSS

$custom: #43639e;
$custom-light: #7e8fbb;
$custom-dark: #000000;

JSON

{
  "hex": "#43639e",
  "rgb": {
    "r": 67,
    "g": 99,
    "b": 158
  },
  "hsl": {
    "h": 218.901,
    "s": 40.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.50318,
    "c": 0.10175,
    "h": 261.8
  },
  "luminance": 0.12586
}

Semantic roles & 50–950 ramp

primary

#43639E

secondary

#BAA783

accent

#A657D0

background

#F8F8FB

surface

#EFF0F6

border

#CACBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #43639E

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

Preview Lab → · Contrast checker → · Palette generator →