#233577#233577

#233577 is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.5% C 0.115 H 268.5°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#233577
RGB	rgb(35, 53, 119)
HSL	hsl(227, 55%, 30%)
HSV	hsv(227, 71%, 47%)
CMYK	cmyk(70.6%, 55.5%, 0%, 53.3%)
CIE-LAB	lab(24.43, 16.68, -40.03)
CIE-LCH	lch(24.43, 43.36, 292.62°)
OKLab	oklab(35.48% -0.0031 -0.115)
OKLCH	oklch(35.48% 0.115 268.5)
XYZ	xyz(5.2949, 4.2349, 17.9876)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233577 #776523

analogous

#235F77 #233577 #3B2377

triadic

#233577 #772335 #357723

tetradic

#233577 #77235F #776523 #23773B

square

#233577 #77235F #776523 #23773B

split-complementary

#233577 #773B23 #5F7723

monochromatic

#070B18 #152048 #233577 #314AA6 #4A66CA

Accessibility & contrast

On white

11.37

#233577 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#233577 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233577

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233577	#FFFFFF	#000000	##FFFFFF
##233577	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#073E79

Deuteranopia (green-blind)

#003676

Tritanopia (blue-blind)

#004550

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #233577;
/* rgb */ color: rgb(35, 53, 119);
/* oklch */ color: oklch(35.5% 0.115 268.5);

Tailwind

colors: {
  custom: {
    50: '#696b9f',
    500: '#233577',
    950: '#000000',
  },
}

SCSS

$custom: #233577;
$custom-light: #696b9f;
$custom-dark: #000000;

JSON

{
  "hex": "#233577",
  "rgb": {
    "r": 35,
    "g": 53,
    "b": 119
  },
  "hsl": {
    "h": 227.143,
    "s": 54.545,
    "l": 30.196
  },
  "oklch": {
    "l": 0.35476,
    "c": 0.11508,
    "h": 268.5
  },
  "luminance": 0.04235
}

Semantic roles & 50–950 ramp

primary

#233577

secondary

#AA964C

accent

#BE4ADE

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #233577

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

Preview Lab → · Contrast checker → · Palette generator →