#233C84#233C84

#233C84 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.1% C 0.125 H 266.1°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#233C84
RGB	rgb(35, 60, 132)
HSL	hsl(225, 58%, 33%)
HSV	hsv(225, 73%, 52%)
CMYK	cmyk(73.5%, 54.5%, 0%, 48.2%)
CIE-LAB	lab(27.45, 16.91, -43.33)
CIE-LCH	lch(27.45, 46.51, 291.32°)
OKLab	oklab(38.07% -0.0084 -0.1246)
OKLCH	oklch(38.07% 0.125 266.1)
XYZ	xyz(6.4724, 5.2543, 22.4984)
Luminance	0.0525 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233C84 #846B23

analogous

#236C84 #233C84 #3A2384

triadic

#233C84 #84233C #3C8423

tetradic

#233C84 #84236C #846B23 #23843A

square

#233C84 #84236C #846B23 #23843A

split-complementary

#233C84 #843A23 #6C8423

monochromatic

#091023 #162654 #233C84 #3052B4 #5172D1

Accessibility & contrast

On white

10.24

#233C84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#233C84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233C84

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233C84	#FFFFFF	#000000	##FFFFFF
##233C84	1.00	10.24	2.05	10.24
#FFFFFF	10.24	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#094587

Deuteranopia (green-blind)

#003D83

Tritanopia (blue-blind)

#004D5A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #233c84;
/* rgb */ color: rgb(35, 60, 132);
/* oklch */ color: oklch(38.1% 0.125 266.1);

Tailwind

colors: {
  custom: {
    50: '#6c71a8',
    500: '#233c84',
    950: '#000000',
  },
}

SCSS

$custom: #233c84;
$custom-light: #6c71a8;
$custom-dark: #000000;

JSON

{
  "hex": "#233c84",
  "rgb": {
    "r": 35,
    "g": 60,
    "b": 132
  },
  "hsl": {
    "h": 224.536,
    "s": 58.084,
    "l": 32.745
  },
  "oklch": {
    "l": 0.38067,
    "c": 0.12492,
    "h": 266.1
  },
  "luminance": 0.05255
}

Semantic roles & 50–950 ramp

primary

#233C84

secondary

#B49A4E

accent

#B946E1

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #233C84

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

Preview Lab → · Contrast checker → · Palette generator →