#232F8C#232F8C

#232F8C is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.1% C 0.153 H 270.7°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#232F8C
RGB	rgb(35, 47, 140)
HSL	hsl(233, 60%, 34%)
HSV	hsv(233, 75%, 55%)
CMYK	cmyk(75%, 66.4%, 0%, 45.1%)
CIE-LAB	lab(24.59, 28.92, -52.97)
CIE-LCH	lch(24.59, 60.35, 298.63°)
OKLab	oklab(36.14% 0.0019 -0.1531)
OKLCH	oklch(36.14% 0.153 270.7)
XYZ	xyz(6.4417, 4.2831, 25.2931)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#232F8C #8C8023

analogous

#23648C #232F8C #4C238C

triadic

#232F8C #8C232F #2F8C23

tetradic

#232F8C #8C2364 #8C8023 #238C4C

square

#232F8C #8C2364 #8C8023 #238C4C

split-complementary

#232F8C #8C4C23 #648C23

monochromatic

#0B0E2A #171F5B #232F8C #2F3FBD #5563D4

Accessibility & contrast

On white

11.31

#232F8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#232F8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #232F8C

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##232F8C	#FFFFFF	#000000	##FFFFFF
##232F8C	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8F

Deuteranopia (green-blind)

#00368A

Tritanopia (blue-blind)

#004759

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #232f8c;
/* rgb */ color: rgb(35, 47, 140);
/* oklch */ color: oklch(36.1% 0.153 270.7);

Tailwind

colors: {
  custom: {
    50: '#6f67af',
    500: '#232f8c',
    950: '#000000',
  },
}

SCSS

$custom: #232f8c;
$custom-light: #6f67af;
$custom-dark: #000000;

JSON

{
  "hex": "#232f8c",
  "rgb": {
    "r": 35,
    "g": 47,
    "b": 140
  },
  "hsl": {
    "h": 233.143,
    "s": 60,
    "l": 34.314
  },
  "oklch": {
    "l": 0.36145,
    "c": 0.15313,
    "h": 270.7
  },
  "luminance": 0.04284
}

Semantic roles & 50–950 ramp

primary

#232F8C

secondary

#B8AD52

accent

#D145E3

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #232F8C

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

Preview Lab → · Contrast checker → · Palette generator →