#2327A8#2327A8

#2327A8 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.8% C 0.198 H 270.7°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#2327A8
RGB	rgb(35, 39, 168)
HSL	hsl(238, 66%, 40%)
HSV	hsv(238, 79%, 66%)
CMYK	cmyk(79.2%, 76.8%, 0%, 34.1%)
CIE-LAB	lab(25.67, 43.86, -68.33)
CIE-LCH	lch(25.67, 81.20, 302.69°)
OKLab	oklab(37.78% 0.0023 -0.1979)
OKLCH	oklch(37.78% 0.198 270.7)
XYZ	xyz(8.4841, 4.6346, 37.4856)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2327A8 #A8A423

analogous

#236AA8 #2327A8 #6123A8

triadic

#2327A8 #A82327 #27A823

tetradic

#2327A8 #A8236A #A8A423 #23A861

square

#2327A8 #A8236A #A8A423 #23A861

split-complementary

#2327A8 #A86123 #6AA823

monochromatic

#0E0F43 #181B75 #2327A8 #3438D5 #666ADF

Accessibility & contrast

On white

10.90

#2327A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#2327A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2327A8

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2327A8	#FFFFFF	#000000	##FFFFFF
##2327A8	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043AC

Deuteranopia (green-blind)

#0036A6

Tritanopia (blue-blind)

#004E66

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2327a8;
/* rgb */ color: rgb(35, 39, 168);
/* oklch */ color: oklch(37.8% 0.198 270.7);

Tailwind

colors: {
  custom: {
    50: '#7763c3',
    500: '#2327a8',
    950: '#000000',
  },
}

SCSS

$custom: #2327a8;
$custom-light: #7763c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2327a8",
  "rgb": {
    "r": 35,
    "g": 39,
    "b": 168
  },
  "hsl": {
    "h": 238.195,
    "s": 65.517,
    "l": 39.804
  },
  "oklch": {
    "l": 0.37784,
    "c": 0.1979,
    "h": 270.7
  },
  "luminance": 0.04636
}

Semantic roles & 50–950 ramp

primary

#2327A8

secondary

#C5C262

accent

#E33FE8

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0513

muted

#7C7A82

Preview Lab

Preview with #2327A8

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

Preview Lab → · Contrast checker → · Palette generator →