#404F7B#404F7B

#404F7B is a dark, moderate blue. Relative luminance 0.081; OKLCH L 43.5% C 0.075 H 268.8°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#404F7B
RGB	rgb(64, 79, 123)
HSL	hsl(225, 32%, 37%)
HSV	hsv(225, 48%, 48%)
CMYK	cmyk(48%, 35.8%, 0%, 51.8%)
CIE-LAB	lab(34.21, 7.02, -26.84)
CIE-LCH	lch(34.21, 27.74, 284.66°)
OKLab	oklab(43.53% -0.0015 -0.0754)
OKLCH	oklch(43.53% 0.075 268.8)
XYZ	xyz(8.4844, 8.1115, 19.8537)
Luminance	0.0811 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404F7B #7B6C40

analogous

#406D7B #404F7B #4F407B

triadic

#404F7B #7B404F #4F7B40

tetradic

#404F7B #7B406D #7B6C40 #407B4F

square

#404F7B #7B406D #7B6C40 #407B4F

split-complementary

#404F7B #7B4F40 #6D7B40

monochromatic

#161B2A #2B3553 #404F7B #5569A3 #7B8BBA

Accessibility & contrast

On white

8.01

#404F7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#404F7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404F7B

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404F7B	#FFFFFF	#000000	##FFFFFF
##404F7B	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F537D

Deuteranopia (green-blind)

#394E7A

Tritanopia (blue-blind)

#2A585F

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #404f7b;
/* rgb */ color: rgb(64, 79, 123);
/* oklch */ color: oklch(43.5% 0.075 268.8);

Tailwind

colors: {
  custom: {
    50: '#7880a1',
    500: '#404f7b',
    950: '#000000',
  },
}

SCSS

$custom: #404f7b;
$custom-light: #7880a1;
$custom-dark: #000000;

JSON

{
  "hex": "#404f7b",
  "rgb": {
    "r": 64,
    "g": 79,
    "b": 123
  },
  "hsl": {
    "h": 224.746,
    "s": 31.551,
    "l": 36.667
  },
  "oklch": {
    "l": 0.43532,
    "c": 0.07547,
    "h": 268.8
  },
  "luminance": 0.08112
}

Semantic roles & 50–950 ramp

primary

#404F7B

secondary

#A59872

accent

#AD60C8

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#090A0F

muted

#7B7C7E

Preview Lab

Preview with #404F7B

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

Preview Lab → · Contrast checker → · Palette generator →