#404E88#404E88

#404E88 is a dark, moderate blue. Relative luminance 0.083; OKLCH L 44.1% C 0.097 H 271.7°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#404E88
RGB	rgb(64, 78, 136)
HSL	hsl(228, 36%, 39%)
HSV	hsv(228, 53%, 53%)
CMYK	cmyk(52.9%, 42.6%, 0%, 46.7%)
CIE-LAB	lab(34.63, 12.00, -34.19)
CIE-LCH	lch(34.63, 36.24, 289.35°)
OKLab	oklab(44.09% 0.0029 -0.0969)
OKLCH	oklch(44.09% 0.097 271.7)
XYZ	xyz(9.2812, 8.3157, 24.4038)
Luminance	0.0832 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404E88 #887A40

analogous

#407288 #404E88 #564088

triadic

#404E88 #88404E #4E8840

tetradic

#404E88 #884072 #887A40 #408856

square

#404E88 #884072 #887A40 #408856

split-complementary

#404E88 #885640 #728840

monochromatic

#191E35 #2C365E #404E88 #5667AF #7F8DC3

Accessibility & contrast

On white

7.89

#404E88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#404E88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404E88

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404E88	#FFFFFF	#000000	##FFFFFF
##404E88	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37558A

Deuteranopia (green-blind)

#2F4F87

Tritanopia (blue-blind)

#205A64

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #404e88;
/* rgb */ color: rgb(64, 78, 136);
/* oklch */ color: oklch(44.1% 0.097 271.7);

Tailwind

colors: {
  custom: {
    50: '#7a7fab',
    500: '#404e88',
    950: '#000000',
  },
}

SCSS

$custom: #404e88;
$custom-light: #7a7fab;
$custom-dark: #000000;

JSON

{
  "hex": "#404e88",
  "rgb": {
    "r": 64,
    "g": 78,
    "b": 136
  },
  "hsl": {
    "h": 228.333,
    "s": 36,
    "l": 39.216
  },
  "oklch": {
    "l": 0.44086,
    "c": 0.09695,
    "h": 271.7
  },
  "luminance": 0.08316
}

Semantic roles & 50–950 ramp

primary

#404E88

secondary

#ADA376

accent

#B65CCC

background

#F7F7FA

surface

#EEEEF4

border

#C9C9CE

text

#090A10

muted

#7B7C7F

Preview Lab

Preview with #404E88

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

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