#233171#233171

#233171 is a dark, moderate blue. Relative luminance 0.037; OKLCH L 34.1% C 0.112 H 270.2°. Best body text is #FFFFFF at 12.01:1 contrast (WCAG AA passes).

Color values

HEX	#233171
RGB	rgb(35, 49, 113)
HSL	hsl(229, 53%, 29%)
HSV	hsv(229, 69%, 44%)
CMYK	cmyk(69%, 56.6%, 0%, 55.7%)
CIE-LAB	lab(22.81, 17.15, -38.82)
CIE-LCH	lch(22.81, 42.44, 293.83°)
OKLab	oklab(34.11% 0.0004 -0.1116)
OKLCH	oklch(34.11% 0.112 270.2)
XYZ	xyz(4.7711, 3.7458, 16.0912)
Luminance	0.0375 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233171 #716323

analogous

#235871 #233171 #3C2371

triadic

#233171 #712331 #317123

tetradic

#233171 #712358 #716323 #23713C

square

#233171 #712358 #716323 #23713C

split-complementary

#233171 #713C23 #587123

monochromatic

#070A17 #151D42 #233171 #3145A0 #485FC6

Accessibility & contrast

On white

12.01

#233171 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#233171 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233171

12.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233171	#FFFFFF	#000000	##FFFFFF
##233171	1.00	12.01	1.75	12.01
#FFFFFF	12.01	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#033A73

Deuteranopia (green-blind)

#003370

Tritanopia (blue-blind)

#00404C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #233171;
/* rgb */ color: rgb(35, 49, 113);
/* oklch */ color: oklch(34.1% 0.112 270.2);

Tailwind

colors: {
  custom: {
    50: '#68689a',
    500: '#233171',
    950: '#000000',
  },
}

SCSS

$custom: #233171;
$custom-light: #68689a;
$custom-dark: #000000;

JSON

{
  "hex": "#233171",
  "rgb": {
    "r": 35,
    "g": 49,
    "b": 113
  },
  "hsl": {
    "h": 229.231,
    "s": 52.703,
    "l": 29.02
  },
  "oklch": {
    "l": 0.34107,
    "c": 0.11156,
    "h": 270.2
  },
  "luminance": 0.03746
}

Semantic roles & 50–950 ramp

primary

#233171

secondary

#A4944C

accent

#C24CDC

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #233171

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

Preview Lab → · Contrast checker → · Palette generator →