#2328A8#2328A8

#2328A8 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.9% C 0.197 H 270.6°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#2328A8
RGB	rgb(35, 40, 168)
HSL	hsl(238, 66%, 40%)
HSV	hsv(238, 79%, 66%)
CMYK	cmyk(79.2%, 76.2%, 0%, 34.1%)
CIE-LAB	lab(25.87, 43.29, -68.00)
CIE-LCH	lch(25.87, 80.62, 302.48°)
OKLab	oklab(37.92% 0.002 -0.1969)
OKLCH	oklch(37.92% 0.197 270.6)
XYZ	xyz(8.5174, 4.7011, 37.4967)
Luminance	0.0470 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2328A8 #A8A323

analogous

#236BA8 #2328A8 #6023A8

triadic

#2328A8 #A82328 #28A823

tetradic

#2328A8 #A8236B #A8A323 #23A860

square

#2328A8 #A8236B #A8A323 #23A860

split-complementary

#2328A8 #A86023 #6BA823

monochromatic

#0E1043 #181C75 #2328A8 #343AD5 #666BDF

Accessibility & contrast

On white

10.82

#2328A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#2328A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2328A8

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2328A8	#FFFFFF	#000000	##FFFFFF
##2328A8	1.00	10.82	1.94	10.82
#FFFFFF	10.82	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044AC

Deuteranopia (green-blind)

#0036A6

Tritanopia (blue-blind)

#004E66

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2328a8;
/* rgb */ color: rgb(35, 40, 168);
/* oklch */ color: oklch(37.9% 0.197 270.6);

Tailwind

colors: {
  custom: {
    50: '#7664c3',
    500: '#2328a8',
    950: '#000000',
  },
}

SCSS

$custom: #2328a8;
$custom-light: #7664c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2328a8",
  "rgb": {
    "r": 35,
    "g": 40,
    "b": 168
  },
  "hsl": {
    "h": 237.744,
    "s": 65.517,
    "l": 39.804
  },
  "oklch": {
    "l": 0.37925,
    "c": 0.19695,
    "h": 270.6
  },
  "luminance": 0.04702
}

Semantic roles & 50–950 ramp

primary

#2328A8

secondary

#C5C162

accent

#E23FE8

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0513

muted

#7C7A82

Preview Lab

Preview with #2328A8

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

Preview Lab → · Contrast checker → · Palette generator →