#43587B#43587B

#43587B is a mid, moderate blue. Relative luminance 0.096; OKLCH L 45.8% C 0.063 H 260.4°. Best body text is #FFFFFF at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#43587B
RGB	rgb(67, 88, 123)
HSL	hsl(218, 29%, 37%)
HSV	hsv(218, 46%, 48%)
CMYK	cmyk(45.5%, 28.5%, 0%, 51.8%)
CIE-LAB	lab(37.12, 2.09, -22.28)
CIE-LCH	lch(37.12, 22.38, 275.35°)
OKLab	oklab(45.84% -0.0106 -0.0622)
OKLCH	oklch(45.84% 0.063 260.4)
XYZ	xyz(9.3785, 9.6022, 20.0943)
Luminance	0.0960 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#43587B #7B6643

analogous

#43747B #43587B #4A437B

triadic

#43587B #7B4358 #587B43

tetradic

#43587B #7B4374 #7B6643 #437B4A

square

#43587B #7B4374 #7B6643 #437B4A

split-complementary

#43587B #7B4A43 #747B43

monochromatic

#181F2C #2D3C53 #43587B #5974A3 #7F95B9

Accessibility & contrast

On white

7.19

#43587B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#43587B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #43587B

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##43587B	#FFFFFF	#000000	##FFFFFF
##43587B	1.00	7.19	2.92	7.19
#FFFFFF	7.19	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B5A7D

Deuteranopia (green-blind)

#45557A

Tritanopia (blue-blind)

#2E5F64

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #43587b;
/* rgb */ color: rgb(67, 88, 123);
/* oklch */ color: oklch(45.8% 0.063 260.4);

Tailwind

colors: {
  custom: {
    50: '#7a87a1',
    500: '#43587b',
    950: '#000000',
  },
}

SCSS

$custom: #43587b;
$custom-light: #7a87a1;
$custom-dark: #000000;

JSON

{
  "hex": "#43587b",
  "rgb": {
    "r": 67,
    "g": 88,
    "b": 123
  },
  "hsl": {
    "h": 217.5,
    "s": 29.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.45844,
    "c": 0.0631,
    "h": 260.4
  },
  "luminance": 0.09603
}

Semantic roles & 50–950 ramp

primary

#43587B

secondary

#A49375

accent

#A062C6

background

#F7F8F9

surface

#EEEFF2

border

#C9CACC

text

#090B0F

muted

#7B7C7E

Preview Lab

Preview with #43587B

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

Preview Lab → · Contrast checker → · Palette generator →