#23357E#23357E

#23357E is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.1% C 0.125 H 268.8°. Best body text is #FFFFFF at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#23357E
RGB	rgb(35, 53, 126)
HSL	hsl(228, 57%, 32%)
HSV	hsv(228, 72%, 49%)
CMYK	cmyk(72.2%, 57.9%, 0%, 50.6%)
CIE-LAB	lab(24.98, 19.42, -43.57)
CIE-LCH	lch(24.98, 47.70, 294.03°)
OKLab	oklab(36.06% -0.0026 -0.1255)
OKLCH	oklch(36.06% 0.125 268.8)
XYZ	xyz(5.7308, 4.4093, 20.2837)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23357E #7E6C23

analogous

#23637E #23357E #3F237E

triadic

#23357E #7E2335 #357E23

tetradic

#23357E #7E2363 #7E6C23 #237E3F

square

#23357E #7E2363 #7E6C23 #237E3F

split-complementary

#23357E #7E3F23 #637E23

monochromatic

#080D1E #16214E #23357E #3049AE #4E67CE

Accessibility & contrast

On white

11.16

#23357E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#23357E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23357E

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23357E	#FFFFFF	#000000	##FFFFFF
##23357E	1.00	11.16	1.88	11.16
#FFFFFF	11.16	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004081

Deuteranopia (green-blind)

#00377D

Tritanopia (blue-blind)

#004754

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #23357e;
/* rgb */ color: rgb(35, 53, 126);
/* oklch */ color: oklch(36.1% 0.125 268.8);

Tailwind

colors: {
  custom: {
    50: '#6b6ba4',
    500: '#23357e',
    950: '#000000',
  },
}

SCSS

$custom: #23357e;
$custom-light: #6b6ba4;
$custom-dark: #000000;

JSON

{
  "hex": "#23357e",
  "rgb": {
    "r": 35,
    "g": 53,
    "b": 126
  },
  "hsl": {
    "h": 228.132,
    "s": 56.522,
    "l": 31.569
  },
  "oklch": {
    "l": 0.36061,
    "c": 0.12549,
    "h": 268.8
  },
  "luminance": 0.0441
}

Semantic roles & 50–950 ramp

primary

#23357E

secondary

#B09D4C

accent

#C248E0

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #23357E

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

Preview Lab → · Contrast checker → · Palette generator →