#40469B#40469B

#40469B is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.7% C 0.136 H 276.1°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#40469B
RGB	rgb(64, 70, 155)
HSL	hsl(236, 42%, 43%)
HSV	hsv(236, 59%, 61%)
CMYK	cmyk(58.7%, 54.8%, 0%, 39.2%)
CIE-LAB	lab(33.64, 23.79, -47.36)
CIE-LCH	lch(33.64, 53.00, 296.67°)
OKLab	oklab(43.73% 0.0146 -0.1357)
OKLCH	oklch(43.73% 0.136 276.1)
XYZ	xyz(10.2190, 7.8361, 31.9780)
Luminance	0.0784 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40469B #9B9540

analogous

#40739B #40469B #67409B

triadic

#40469B #9B4046 #469B40

tetradic

#40469B #9B4073 #9B9540 #409B67

square

#40469B #9B4073 #9B9540 #409B67

split-complementary

#40469B #9B6740 #739B40

monochromatic

#1C1F44 #2E3270 #40469B #5C63BC #888CCE

Accessibility & contrast

On white

8.18

#40469B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#40469B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40469B

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40469B	#FFFFFF	#000000	##FFFFFF
##40469B	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#10539E

Deuteranopia (green-blind)

#004B99

Tritanopia (blue-blind)

#045A69

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #40469b;
/* rgb */ color: rgb(64, 70, 155);
/* oklch */ color: oklch(43.7% 0.136 276.1);

Tailwind

colors: {
  custom: {
    50: '#7d79b9',
    500: '#40469b',
    950: '#000000',
  },
}

SCSS

$custom: #40469b;
$custom-light: #7d79b9;
$custom-dark: #000000;

JSON

{
  "hex": "#40469b",
  "rgb": {
    "r": 64,
    "g": 70,
    "b": 155
  },
  "hsl": {
    "h": 236.044,
    "s": 41.553,
    "l": 42.941
  },
  "oklch": {
    "l": 0.43727,
    "c": 0.13644,
    "h": 276.1
  },
  "luminance": 0.07837
}

Semantic roles & 50–950 ramp

primary

#40469B

secondary

#B8B57E

accent

#C956D1

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0A0911

muted

#7C7B80

Preview Lab

Preview with #40469B

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

Preview Lab → · Contrast checker → · Palette generator →