#233788#233788

#233788 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.3% C 0.137 H 268.4°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#233788
RGB	rgb(35, 55, 136)
HSL	hsl(228, 59%, 34%)
HSV	hsv(228, 74%, 53%)
CMYK	cmyk(74.3%, 59.6%, 0%, 46.7%)
CIE-LAB	lab(26.35, 21.94, -47.60)
CIE-LCH	lch(26.35, 52.41, 294.75°)
OKLab	oklab(37.34% -0.0039 -0.1373)
OKLCH	oklch(37.34% 0.137 268.4)
XYZ	xyz(6.5017, 4.8666, 23.8845)
Luminance	0.0487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233788 #887423

analogous

#236988 #233788 #412388

triadic

#233788 #882337 #378823

tetradic

#233788 #882369 #887423 #238841

square

#233788 #882369 #887423 #238841

split-complementary

#233788 #884123 #698823

monochromatic

#0A1027 #162357 #233788 #304BB9 #536CD3

Accessibility & contrast

On white

10.64

#233788 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#233788 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233788

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233788	#FFFFFF	#000000	##FFFFFF
##233788	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438B

Deuteranopia (green-blind)

#003A86

Tritanopia (blue-blind)

#004B5A

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #233788;
/* rgb */ color: rgb(35, 55, 136);
/* oklch */ color: oklch(37.3% 0.137 268.4);

Tailwind

colors: {
  custom: {
    50: '#6d6dab',
    500: '#233788',
    950: '#000000',
  },
}

SCSS

$custom: #233788;
$custom-light: #6d6dab;
$custom-dark: #000000;

JSON

{
  "hex": "#233788",
  "rgb": {
    "r": 35,
    "g": 55,
    "b": 136
  },
  "hsl": {
    "h": 228.119,
    "s": 59.064,
    "l": 33.529
  },
  "oklch": {
    "l": 0.37342,
    "c": 0.13734,
    "h": 268.4
  },
  "luminance": 0.04867
}

Semantic roles & 50–950 ramp

primary

#233788

secondary

#B7A250

accent

#C346E2

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #233788

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

Preview Lab → · Contrast checker → · Palette generator →