#40487B#40487B

#40487B is a dark, moderate blue. Relative luminance 0.072; OKLCH L 41.9% C 0.085 H 275.4°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#40487B
RGB	rgb(64, 72, 123)
HSL	hsl(232, 32%, 37%)
HSV	hsv(232, 48%, 48%)
CMYK	cmyk(48%, 41.5%, 0%, 51.8%)
CIE-LAB	lab(32.16, 11.61, -30.08)
CIE-LCH	lch(32.16, 32.24, 291.10°)
OKLab	oklab(41.95% 0.008 -0.0849)
OKLCH	oklch(41.95% 0.085 275.4)
XYZ	xyz(8.0058, 7.1543, 19.6941)
Luminance	0.0716 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40487B #7B7340

analogous

#40667B #40487B #56407B

triadic

#40487B #7B4048 #487B40

tetradic

#40487B #7B4066 #7B7340 #407B56

square

#40487B #7B4066 #7B7340 #407B56

split-complementary

#40487B #7B5640 #667B40

monochromatic

#16192A #2B3053 #40487B #5560A3 #7B84BA

Accessibility & contrast

On white

8.64

#40487B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#40487B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40487B

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40487B	#FFFFFF	#000000	##FFFFFF
##40487B	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#354E7D

Deuteranopia (green-blind)

#30497A

Tritanopia (blue-blind)

#2B535B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #40487b;
/* rgb */ color: rgb(64, 72, 123);
/* oklch */ color: oklch(41.9% 0.085 275.4);

Tailwind

colors: {
  custom: {
    50: '#787aa1',
    500: '#40487b',
    950: '#000000',
  },
}

SCSS

$custom: #40487b;
$custom-light: #787aa1;
$custom-dark: #000000;

JSON

{
  "hex": "#40487b",
  "rgb": {
    "r": 64,
    "g": 72,
    "b": 123
  },
  "hsl": {
    "h": 231.864,
    "s": 31.551,
    "l": 36.667
  },
  "oklch": {
    "l": 0.41946,
    "c": 0.0853,
    "h": 275.4
  },
  "luminance": 0.07155
}

Semantic roles & 50–950 ramp

primary

#40487B

secondary

#A59E72

accent

#BA60C8

background

#F7F7F9

surface

#EDEDF2

border

#C8C8CC

text

#09090F

muted

#7B7B7E

Preview Lab

Preview with #40487B

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

Preview Lab → · Contrast checker → · Palette generator →