#404E90#404E90

#404E90 is a dark, moderate blue. Relative luminance 0.086; OKLCH L 44.6% C 0.109 H 272.3°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#404E90
RGB	rgb(64, 78, 144)
HSL	hsl(230, 38%, 41%)
HSV	hsv(230, 56%, 56%)
CMYK	cmyk(55.6%, 45.8%, 0%, 43.5%)
CIE-LAB	lab(35.11, 14.74, -38.32)
CIE-LCH	lch(35.11, 41.06, 291.04°)
OKLab	oklab(44.6% 0.0043 -0.109)
OKLCH	oklch(44.6% 0.109 272.3)
XYZ	xyz(9.8711, 8.5517, 27.5106)
Luminance	0.0855 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404E90 #908240

analogous

#407690 #404E90 #5A4090

triadic

#404E90 #90404E #4E9040

tetradic

#404E90 #904076 #908240 #40905A

square

#404E90 #904076 #908240 #40905A

split-complementary

#404E90 #905A40 #769040

monochromatic

#1A203B #2D3766 #404E90 #5868B5 #838FC8

Accessibility & contrast

On white

7.75

#404E90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#404E90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404E90

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404E90	#FFFFFF	#000000	##FFFFFF
##404E90	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#315692

Deuteranopia (green-blind)

#284F8F

Tritanopia (blue-blind)

#175C68

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #404e90;
/* rgb */ color: rgb(64, 78, 144);
/* oklch */ color: oklch(44.6% 0.109 272.3);

Tailwind

colors: {
  custom: {
    50: '#7b7fb1',
    500: '#404e90',
    950: '#000000',
  },
}

SCSS

$custom: #404e90;
$custom-light: #7b7fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#404e90",
  "rgb": {
    "r": 64,
    "g": 78,
    "b": 144
  },
  "hsl": {
    "h": 229.5,
    "s": 38.462,
    "l": 40.784
  },
  "oklch": {
    "l": 0.44603,
    "c": 0.10911,
    "h": 272.3
  },
  "luminance": 0.08552
}

Semantic roles & 50–950 ramp

primary

#404E90

secondary

#B2A87A

accent

#BA59CE

background

#F7F7FA

surface

#EEEEF5

border

#C9C9CF

text

#0A0A11

muted

#7C7C80

Preview Lab

Preview with #404E90

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

Preview Lab → · Contrast checker → · Palette generator →