#404BA1#404BA1

#404BA1 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.2% C 0.138 H 274.0°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#404BA1
RGB	rgb(64, 75, 161)
HSL	hsl(233, 43%, 44%)
HSV	hsv(233, 60%, 63%)
CMYK	cmyk(60.2%, 53.4%, 0%, 36.9%)
CIE-LAB	lab(35.39, 22.61, -48.15)
CIE-LCH	lch(35.39, 53.19, 295.15°)
OKLab	oklab(45.17% 0.0097 -0.1379)
OKLCH	oklch(45.17% 0.138 274)
XYZ	xyz(11.0613, 8.6945, 34.8066)
Luminance	0.0869 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404BA1 #A19640

analogous

#407CA1 #404BA1 #6640A1

triadic

#404BA1 #A1404B #4BA140

tetradic

#404BA1 #A1407C #A19640 #40A166

square

#404BA1 #A1407C #A19640 #40A166

split-complementary

#404BA1 #A16640 #7CA140

monochromatic

#1D2249 #2F3775 #404BA1 #5F6ABF #8B93D1

Accessibility & contrast

On white

7.67

#404BA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#404BA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404BA1

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404BA1	#FFFFFF	#000000	##FFFFFF
##404BA1	1.00	7.67	2.74	7.67
#FFFFFF	7.67	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1858A4

Deuteranopia (green-blind)

#004F9F

Tritanopia (blue-blind)

#005F6E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #404ba1;
/* rgb */ color: rgb(64, 75, 161);
/* oklch */ color: oklch(45.2% 0.138 274.0);

Tailwind

colors: {
  custom: {
    50: '#7e7dbd',
    500: '#404ba1',
    950: '#000000',
  },
}

SCSS

$custom: #404ba1;
$custom-light: #7e7dbd;
$custom-dark: #000000;

JSON

{
  "hex": "#404ba1",
  "rgb": {
    "r": 64,
    "g": 75,
    "b": 161
  },
  "hsl": {
    "h": 233.196,
    "s": 43.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.45174,
    "c": 0.13827,
    "h": 274
  },
  "luminance": 0.08695
}

Semantic roles & 50–950 ramp

primary

#404BA1

secondary

#BCB581

accent

#C555D3

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0912

muted

#7C7B81

Preview Lab

Preview with #404BA1

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

Preview Lab → · Contrast checker → · Palette generator →