#233151#233151

#233151 is a dark, moderate blue. Relative luminance 0.031; OKLCH L 31.7% C 0.061 H 265.2°. Best body text is #FFFFFF at 12.89:1 contrast (WCAG AA passes).

Color values

HEX	#233151
RGB	rgb(35, 49, 81)
HSL	hsl(222, 40%, 23%)
HSV	hsv(222, 57%, 32%)
CMYK	cmyk(56.8%, 39.5%, 0%, 68.2%)
CIE-LAB	lab(20.63, 4.85, -21.37)
CIE-LCH	lch(20.63, 21.92, 282.79°)
OKLab	oklab(31.74% -0.005 -0.0603)
OKLCH	oklch(31.74% 0.061 265.2)
XYZ	xyz(3.2762, 3.1478, 8.2179)
Luminance	0.0315 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233151 #514323

analogous

#234851 #233151 #2C2351

triadic

#233151 #512331 #315123

tetradic

#233151 #512348 #514323 #23512C

square

#233151 #512348 #514323 #23512C

split-complementary

#233151 #512C23 #485123

monochromatic

#090D15 #111726 #233151 #354B7C #4865A6

Accessibility & contrast

On white

12.89

#233151 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#233151 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233151

12.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233151	#FFFFFF	#000000	##FFFFFF
##233151	1.00	12.89	1.63	12.89
#FFFFFF	12.89	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#243452

Deuteranopia (green-blind)

#1F3050

Tritanopia (blue-blind)

#0D383D

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #233151;
/* rgb */ color: rgb(35, 49, 81);
/* oklch */ color: oklch(31.7% 0.061 265.2);

Tailwind

colors: {
  custom: {
    50: '#616882',
    500: '#233151',
    950: '#000000',
  },
}

SCSS

$custom: #233151;
$custom-light: #616882;
$custom-dark: #000000;

JSON

{
  "hex": "#233151",
  "rgb": {
    "r": 35,
    "g": 49,
    "b": 81
  },
  "hsl": {
    "h": 221.739,
    "s": 39.655,
    "l": 22.745
  },
  "oklch": {
    "l": 0.31735,
    "c": 0.06055,
    "h": 265.2
  },
  "luminance": 0.03148
}

Semantic roles & 50–950 ramp

primary

#233151

secondary

#85734B

accent

#AB58D0

background

#F5F6F7

surface

#EAEBEE

border

#C6C6C9

text

#05060A

muted

#797A7C

Preview Lab

Preview with #233151

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

Preview Lab → · Contrast checker → · Palette generator →