#23357F#23357F

#23357F is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.1% C 0.127 H 268.8°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#23357F
RGB	rgb(35, 53, 127)
HSL	hsl(228, 57%, 32%)
HSV	hsv(228, 72%, 50%)
CMYK	cmyk(72.4%, 58.3%, 0%, 50.2%)
CIE-LAB	lab(25.06, 19.81, -44.07)
CIE-LCH	lch(25.06, 48.32, 294.21°)
OKLab	oklab(36.15% -0.0026 -0.1269)
OKLCH	oklch(36.15% 0.127 268.8)
XYZ	xyz(5.7957, 4.4353, 20.6252)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23357F #7F6D23

analogous

#23637F #23357F #3F237F

triadic

#23357F #7F2335 #357F23

tetradic

#23357F #7F2363 #7F6D23 #237F3F

square

#23357F #7F2363 #7F6D23 #237F3F

split-complementary

#23357F #7F3F23 #637F23

monochromatic

#090D1F #16214F #23357F #3049AF #4E67CE

Accessibility & contrast

On white

11.13

#23357F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#23357F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23357F

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23357F	#FFFFFF	#000000	##FFFFFF
##23357F	1.00	11.13	1.89	11.13
#FFFFFF	11.13	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004082

Deuteranopia (green-blind)

#00377E

Tritanopia (blue-blind)

#004754

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #23357f;
/* rgb */ color: rgb(35, 53, 127);
/* oklch */ color: oklch(36.1% 0.127 268.8);

Tailwind

colors: {
  custom: {
    50: '#6b6ba5',
    500: '#23357f',
    950: '#000000',
  },
}

SCSS

$custom: #23357f;
$custom-light: #6b6ba5;
$custom-dark: #000000;

JSON

{
  "hex": "#23357f",
  "rgb": {
    "r": 35,
    "g": 53,
    "b": 127
  },
  "hsl": {
    "h": 228.261,
    "s": 56.79,
    "l": 31.765
  },
  "oklch": {
    "l": 0.36146,
    "c": 0.12696,
    "h": 268.8
  },
  "luminance": 0.04436
}

Semantic roles & 50–950 ramp

primary

#23357F

secondary

#B19E4C

accent

#C248E0

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #23357F

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

Preview Lab → · Contrast checker → · Palette generator →