#402F9C#402F9C

#402F9C is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.7% C 0.168 H 282.7°. Best body text is #FFFFFF at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#402F9C
RGB	rgb(64, 47, 156)
HSL	hsl(249, 54%, 40%)
HSV	hsv(249, 70%, 61%)
CMYK	cmyk(59%, 69.9%, 0%, 38.8%)
CIE-LAB	lab(28.17, 38.58, -56.85)
CIE-LCH	lch(28.17, 68.70, 304.16°)
OKLab	oklab(39.74% 0.037 -0.1637)
OKLCH	oklch(39.74% 0.168 282.7)
XYZ	xyz(9.1298, 5.5227, 32.0309)
Luminance	0.0552 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#402F9C #8B9C2F

analogous

#2F549C #402F9C #772F9C

triadic

#402F9C #9C402F #2F9C40

tetradic

#402F9C #9C2F54 #8B9C2F #2F9C77

square

#402F9C #9C2F54 #8B9C2F #2F9C77

split-complementary

#402F9C #9C772F #549C2F

monochromatic

#19133E #2D216D #402F9C #5742C6 #8171D4

Accessibility & contrast

On white

9.98

#402F9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#402F9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #402F9C

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##402F9C	#FFFFFF	#000000	##FFFFFF
##402F9C	1.00	9.98	2.10	9.98
#FFFFFF	9.98	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469F

Deuteranopia (green-blind)

#003F9A

Tritanopia (blue-blind)

#094C62

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #402f9c;
/* rgb */ color: rgb(64, 47, 156);
/* oklch */ color: oklch(39.7% 0.168 282.7);

Tailwind

colors: {
  custom: {
    50: '#7f69ba',
    500: '#402f9c',
    950: '#000000',
  },
}

SCSS

$custom: #402f9c;
$custom-light: #7f69ba;
$custom-dark: #000000;

JSON

{
  "hex": "#402f9c",
  "rgb": {
    "r": 64,
    "g": 47,
    "b": 156
  },
  "hsl": {
    "h": 249.358,
    "s": 53.695,
    "l": 39.804
  },
  "oklch": {
    "l": 0.39741,
    "c": 0.1678,
    "h": 282.7
  },
  "luminance": 0.05523
}

Semantic roles & 50–950 ramp

primary

#402F9C

secondary

#AFBC6B

accent

#DD4BC6

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #402F9C

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

Preview Lab → · Contrast checker → · Palette generator →