#233451#233451

#233451 is a dark, muted blue. Relative luminance 0.034; OKLCH L 32.5% C 0.057 H 260.6°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#233451
RGB	rgb(35, 52, 81)
HSL	hsl(218, 40%, 23%)
HSV	hsv(218, 57%, 32%)
CMYK	cmyk(56.8%, 35.8%, 0%, 68.2%)
CIE-LAB	lab(21.61, 2.75, -19.83)
CIE-LCH	lch(21.61, 20.02, 277.89°)
OKLab	oklab(32.5% -0.0092 -0.0558)
OKLCH	oklch(32.5% 0.057 260.6)
XYZ	xyz(3.4058, 3.4071, 8.2612)
Luminance	0.0341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233451 #514023

analogous

#234B51 #233451 #292351

triadic

#233451 #512334 #345123

tetradic

#233451 #51234B #514023 #235129

square

#233451 #51234B #514023 #235129

split-complementary

#233451 #512923 #4B5123

monochromatic

#090E15 #111926 #233451 #354F7C #486BA6

Accessibility & contrast

On white

12.49

#233451 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#233451 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233451

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233451	#FFFFFF	#000000	##FFFFFF
##233451	1.00	12.49	1.68	12.49
#FFFFFF	12.49	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293652

Deuteranopia (green-blind)

#233250

Tritanopia (blue-blind)

#0C3A3E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #233451;
/* rgb */ color: rgb(35, 52, 81);
/* oklch */ color: oklch(32.5% 0.057 260.6);

Tailwind

colors: {
  custom: {
    50: '#616b82',
    500: '#233451',
    950: '#000000',
  },
}

SCSS

$custom: #233451;
$custom-light: #616b82;
$custom-dark: #000000;

JSON

{
  "hex": "#233451",
  "rgb": {
    "r": 35,
    "g": 52,
    "b": 81
  },
  "hsl": {
    "h": 217.826,
    "s": 39.655,
    "l": 22.745
  },
  "oklch": {
    "l": 0.32496,
    "c": 0.05658,
    "h": 260.6
  },
  "luminance": 0.03407
}

Semantic roles & 50–950 ramp

primary

#233451

secondary

#856F4B

accent

#A358D0

background

#F5F6F7

surface

#EAEBEE

border

#C6C6C9

text

#05060A

muted

#797A7C

Preview Lab

Preview with #233451

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

Preview Lab → · Contrast checker → · Palette generator →