#43397B#43397B

#43397B is a dark, moderate blue. Relative luminance 0.056; OKLCH L 39.0% C 0.108 H 287.3°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#43397B
RGB	rgb(67, 57, 123)
HSL	hsl(249, 37%, 35%)
HSV	hsv(249, 54%, 48%)
CMYK	cmyk(45.5%, 53.7%, 0%, 51.8%)
CIE-LAB	lab(28.25, 22.32, -36.29)
CIE-LCH	lch(28.25, 42.61, 301.60°)
OKLab	oklab(39.05% 0.032 -0.1031)
OKLCH	oklch(39.05% 0.108 287.3)
XYZ	xyz(7.3520, 5.5493, 19.4188)
Luminance	0.0555 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#43397B #717B39

analogous

#39507B #43397B #64397B

triadic

#43397B #7B4339 #397B43

tetradic

#43397B #7B3950 #717B39 #397B64

square

#43397B #7B3950 #717B39 #397B64

split-complementary

#43397B #7B6439 #507B39

monochromatic

#151227 #2C2651 #43397B #5A4CA5 #7D71BD

Accessibility & contrast

On white

9.95

#43397B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#43397B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #43397B

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##43397B	#FFFFFF	#000000	##FFFFFF
##43397B	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B447D

Deuteranopia (green-blind)

#1B417A

Tritanopia (blue-blind)

#324754

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #43397b;
/* rgb */ color: rgb(67, 57, 123);
/* oklch */ color: oklch(39.0% 0.108 287.3);

Tailwind

colors: {
  custom: {
    50: '#7b6fa2',
    500: '#43397b',
    950: '#000000',
  },
}

SCSS

$custom: #43397b;
$custom-light: #7b6fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#43397b",
  "rgb": {
    "r": 67,
    "g": 57,
    "b": 123
  },
  "hsl": {
    "h": 249.091,
    "s": 36.667,
    "l": 35.294
  },
  "oklch": {
    "l": 0.39048,
    "c": 0.10799,
    "h": 287.3
  },
  "luminance": 0.0555
}

Semantic roles & 50–950 ramp

primary

#43397B

secondary

#9DA669

accent

#CD5BBB

background

#F7F6FA

surface

#EEECF3

border

#C9C7CD

text

#0A070F

muted

#7C7A7F

Preview Lab

Preview with #43397B

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

Preview Lab → · Contrast checker → · Palette generator →