#233BA1#233BA1

#233BA1 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.4% C 0.167 H 267.7°. Best body text is #FFFFFF at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#233BA1
RGB	rgb(35, 59, 161)
HSL	hsl(229, 64%, 38%)
HSV	hsv(229, 78%, 63%)
CMYK	cmyk(78.3%, 63.4%, 0%, 36.9%)
CIE-LAB	lab(29.56, 28.86, -57.70)
CIE-LCH	lch(29.56, 64.52, 296.58°)
OKLab	oklab(40.39% -0.0067 -0.1669)
OKLCH	oklch(40.39% 0.167 267.7)
XYZ	xyz(8.6879, 6.0575, 34.4226)
Luminance	0.0606 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233BA1 #A18923

analogous

#237AA1 #233BA1 #4A23A1

triadic

#233BA1 #A1233B #3BA123

tetradic

#233BA1 #A1237A #A18923 #23A14A

square

#233BA1 #A1237A #A18923 #23A14A

split-complementary

#233BA1 #A14A23 #7AA123

monochromatic

#0D163C #18296F #233BA1 #2F4ED2 #6279DD

Accessibility & contrast

On white

9.50

#233BA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#233BA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233BA1

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233BA1	#FFFFFF	#000000	##FFFFFF
##233BA1	1.00	9.50	2.21	9.50
#FFFFFF	9.50	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA4

Deuteranopia (green-blind)

#00409F

Tritanopia (blue-blind)

#005668

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #233ba1;
/* rgb */ color: rgb(35, 59, 161);
/* oklch */ color: oklch(40.4% 0.167 267.7);

Tailwind

colors: {
  custom: {
    50: '#7370be',
    500: '#233ba1',
    950: '#000000',
  },
}

SCSS

$custom: #233ba1;
$custom-light: #7370be;
$custom-dark: #000000;

JSON

{
  "hex": "#233ba1",
  "rgb": {
    "r": 35,
    "g": 59,
    "b": 161
  },
  "hsl": {
    "h": 228.571,
    "s": 64.286,
    "l": 38.431
  },
  "oklch": {
    "l": 0.4039,
    "c": 0.16699,
    "h": 267.7
  },
  "luminance": 0.06058
}

Semantic roles & 50–950 ramp

primary

#233BA1

secondary

#C2AF5E

accent

#C841E7

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #233BA1

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

Preview Lab → · Contrast checker → · Palette generator →