#23347B#23347B

#23347B is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.6% C 0.122 H 269.1°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#23347B
RGB	rgb(35, 52, 123)
HSL	hsl(228, 56%, 31%)
HSV	hsv(228, 72%, 48%)
CMYK	cmyk(71.5%, 57.7%, 0%, 51.8%)
CIE-LAB	lab(24.46, 18.95, -42.52)
CIE-LCH	lch(24.46, 46.55, 294.02°)
OKLab	oklab(35.59% -0.0019 -0.1224)
OKLCH	oklch(35.59% 0.122 269.1)
XYZ	xyz(5.4951, 4.2428, 19.2644)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23347B #7B6A23

analogous

#23607B #23347B #3E237B

triadic

#23347B #7B2334 #347B23

tetradic

#23347B #7B2360 #7B6A23 #237B3E

square

#23347B #7B2360 #7B6A23 #237B3E

split-complementary

#23347B #7B3E23 #607B23

monochromatic

#080C1C #15204B #23347B #3148AB #4C65CC

Accessibility & contrast

On white

11.36

#23347B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#23347B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23347B

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23347B	#FFFFFF	#000000	##FFFFFF
##23347B	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E7D

Deuteranopia (green-blind)

#00367A

Tritanopia (blue-blind)

#004552

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #23347b;
/* rgb */ color: rgb(35, 52, 123);
/* oklch */ color: oklch(35.6% 0.122 269.1);

Tailwind

colors: {
  custom: {
    50: '#6a6ba2',
    500: '#23347b',
    950: '#000000',
  },
}

SCSS

$custom: #23347b;
$custom-light: #6a6ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#23347b",
  "rgb": {
    "r": 35,
    "g": 52,
    "b": 123
  },
  "hsl": {
    "h": 228.409,
    "s": 55.696,
    "l": 30.98
  },
  "oklch": {
    "l": 0.35593,
    "c": 0.12241,
    "h": 269.1
  },
  "luminance": 0.04243
}

Semantic roles & 50–950 ramp

primary

#23347B

secondary

#AE9B4C

accent

#C249DF

background

#F6F6FA

surface

#ECEBF3

border

#C7C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #23347B

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

Preview Lab → · Contrast checker → · Palette generator →