#2431BC#2431BC

#2431BC is a dark, highly saturated blue. Relative luminance 0.062; OKLCH L 41.5% C 0.212 H 269.1°. Best body text is #FFFFFF at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#2431BC
RGB	rgb(36, 49, 188)
HSL	hsl(235, 68%, 44%)
HSV	hsv(235, 81%, 74%)
CMYK	cmyk(80.9%, 73.9%, 0%, 26.3%)
CIE-LAB	lab(29.91, 45.01, -73.25)
CIE-LCH	lch(29.91, 85.98, 301.57°)
OKLab	oklab(41.46% -0.0033 -0.2122)
OKLCH	oklch(41.46% 0.212 269.1)
XYZ	xyz(10.8999, 6.2013, 48.1897)
Luminance	0.0620 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2431BC #BCAF24

analogous

#247DBC #2431BC #6324BC

triadic

#2431BC #BC2431 #31BC24

tetradic

#2431BC #BC247D #BCAF24 #24BC63

square

#2431BC #BC247D #BCAF24 #24BC63

split-complementary

#2431BC #BC6324 #7DBC24

monochromatic

#101655 #1A2489 #2431BC #424FDB #767FE5

Accessibility & contrast

On white

9.37

#2431BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#2431BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2431BC

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2431BC	#FFFFFF	#000000	##FFFFFF
##2431BC	1.00	9.37	2.24	9.37
#FFFFFF	9.37	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EC0

Deuteranopia (green-blind)

#003FBA

Tritanopia (blue-blind)

#005A74

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2431bc;
/* rgb */ color: rgb(36, 49, 188);
/* oklch */ color: oklch(41.5% 0.212 269.1);

Tailwind

colors: {
  custom: {
    50: '#7b6ad2',
    500: '#2431bc',
    950: '#000000',
  },
}

SCSS

$custom: #2431bc;
$custom-light: #7b6ad2;
$custom-dark: #000000;

JSON

{
  "hex": "#2431bc",
  "rgb": {
    "r": 36,
    "g": 49,
    "b": 188
  },
  "hsl": {
    "h": 234.868,
    "s": 67.857,
    "l": 43.922
  },
  "oklch": {
    "l": 0.41456,
    "c": 0.21227,
    "h": 269.1
  },
  "luminance": 0.06203
}

Semantic roles & 50–950 ramp

primary

#2431BC

secondary

#CCC470

accent

#DC3DEB

background

#F8F6FD

surface

#EFEBFA

border

#CAC6D3

text

#0B0614

muted

#7C7A83

Preview Lab

Preview with #2431BC

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

Preview Lab → · Contrast checker → · Palette generator →