#232B3F#232B3F

#232B3F is a dark, muted blue. Relative luminance 0.024; OKLCH L 29.1% C 0.038 H 267.2°. Best body text is #FFFFFF at 14.11:1 contrast (WCAG AA passes).

Color values

HEX	#232B3F
RGB	rgb(35, 43, 63)
HSL	hsl(223, 29%, 19%)
HSV	hsv(223, 44%, 25%)
CMYK	cmyk(44.4%, 31.7%, 0%, 75.3%)
CIE-LAB	lab(17.66, 2.68, -13.79)
CIE-LCH	lch(17.66, 14.05, 281.00°)
OKLab	oklab(29.11% -0.0018 -0.0384)
OKLCH	oklch(29.11% 0.038 267.2)
XYZ	xyz(2.4539, 2.4438, 5.0441)
Luminance	0.0244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#232B3F #3F3723

analogous

#23393F #232B3F #29233F

triadic

#232B3F #3F232B #2B3F23

tetradic

#232B3F #3F2339 #3F3723 #233F29

square

#232B3F #3F2339 #3F3723 #233F29

split-complementary

#232B3F #3F2923 #393F23

monochromatic

#0B0D14 #0D1018 #232B3F #394666 #4F618E

Accessibility & contrast

On white

14.11

#232B3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#232B3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #232B3F

14.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##232B3F	#FFFFFF	#000000	##FFFFFF
##232B3F	1.00	14.11	1.49	14.11
#FFFFFF	14.11	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#242D40

Deuteranopia (green-blind)

#222A3F

Tritanopia (blue-blind)

#1A2F32

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #232b3f;
/* rgb */ color: rgb(35, 43, 63);
/* oklch */ color: oklch(29.1% 0.038 267.2);

Tailwind

colors: {
  custom: {
    50: '#5f6474',
    500: '#232b3f',
    950: '#000000',
  },
}

SCSS

$custom: #232b3f;
$custom-light: #5f6474;
$custom-dark: #000000;

JSON

{
  "hex": "#232b3f",
  "rgb": {
    "r": 35,
    "g": 43,
    "b": 63
  },
  "hsl": {
    "h": 222.857,
    "s": 28.571,
    "l": 19.216
  },
  "oklch": {
    "l": 0.29109,
    "c": 0.03845,
    "h": 267.2
  },
  "luminance": 0.02444
}

Semantic roles & 50–950 ramp

primary

#232B3F

secondary

#72674C

accent

#A963C5

background

#F5F5F7

surface

#E9EAED

border

#C5C6C8

text

#040508

muted

#79797B

Preview Lab

Preview with #232B3F

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

Preview Lab → · Contrast checker → · Palette generator →