#233CBC#233CBC

#233CBC is a dark, highly saturated blue. Relative luminance 0.072; OKLCH L 43.2% C 0.201 H 267.6°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#233CBC
RGB	rgb(35, 60, 188)
HSL	hsl(230, 69%, 44%)
HSV	hsv(230, 81%, 74%)
CMYK	cmyk(81.4%, 68.1%, 0%, 26.3%)
CIE-LAB	lab(32.30, 38.27, -69.32)
CIE-LCH	lch(32.30, 79.18, 298.90°)
OKLab	oklab(43.16% -0.0085 -0.2008)
OKLCH	oklch(43.16% 0.201 267.6)
XYZ	xyz(11.3829, 7.2185, 48.3606)
Luminance	0.0722 (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

#233CBC #BCA323

analogous

#2388BC #233CBC #5623BC

triadic

#233CBC #BC233C #3CBC23

tetradic

#233CBC #BC2388 #BCA323 #23BC56

square

#233CBC #BC2388 #BCA323 #23BC56

split-complementary

#233CBC #BC5623 #88BC23

monochromatic

#101B55 #192C88 #233CBC #415ADC #7487E5

Accessibility & contrast

On white

8.59

#233CBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#233CBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233CBC

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233CBC	#FFFFFF	#000000	##FFFFFF
##233CBC	1.00	8.59	2.44	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C0

Deuteranopia (green-blind)

#0045BA

Tritanopia (blue-blind)

#005F77

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #233cbc;
/* rgb */ color: rgb(35, 60, 188);
/* oklch */ color: oklch(43.2% 0.201 267.6);

Tailwind

colors: {
  custom: {
    50: '#7a72d1',
    500: '#233cbc',
    950: '#000000',
  },
}

SCSS

$custom: #233cbc;
$custom-light: #7a72d1;
$custom-dark: #000000;

JSON

{
  "hex": "#233cbc",
  "rgb": {
    "r": 35,
    "g": 60,
    "b": 188
  },
  "hsl": {
    "h": 230.196,
    "s": 68.61,
    "l": 43.725
  },
  "oklch": {
    "l": 0.43163,
    "c": 0.20101,
    "h": 267.6
  },
  "luminance": 0.0722
}

Semantic roles & 50–950 ramp

primary

#233CBC

secondary

#CCBD6F

accent

#CF3CEB

background

#F8F6FD

surface

#EFECFA

border

#CAC7D3

text

#0B0814

muted

#7C7B83

Preview Lab

Preview with #233CBC

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

Preview Lab → · Contrast checker → · Palette generator →