#23379F#23379F

#23379F is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.5% C 0.169 H 268.6°. Best body text is #FFFFFF at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#23379F
RGB	rgb(35, 55, 159)
HSL	hsl(230, 64%, 38%)
HSV	hsv(230, 78%, 62%)
CMYK	cmyk(78%, 65.4%, 0%, 37.6%)
CIE-LAB	lab(28.36, 30.76, -58.45)
CIE-LCH	lch(28.36, 66.05, 297.76°)
OKLab	oklab(39.45% -0.0042 -0.1691)
OKLCH	oklch(39.45% 0.169 268.6)
XYZ	xyz(8.3152, 5.5920, 33.4353)
Luminance	0.0559 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23379F #9F8B23

analogous

#23759F #23379F #4D239F

triadic

#23379F #9F2337 #379F23

tetradic

#23379F #9F2375 #9F8B23 #239F4D

square

#23379F #9F2375 #9F8B23 #239F4D

split-complementary

#23379F #9F4D23 #759F23

monochromatic

#0D143B #18266D #23379F #2E48D1 #6074DC

Accessibility & contrast

On white

9.91

#23379F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#23379F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23379F

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23379F	#FFFFFF	#000000	##FFFFFF
##23379F	1.00	9.91	2.12	9.91
#FFFFFF	9.91	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A2

Deuteranopia (green-blind)

#003D9D

Tritanopia (blue-blind)

#005266

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #23379f;
/* rgb */ color: rgb(35, 55, 159);
/* oklch */ color: oklch(39.5% 0.169 268.6);

Tailwind

colors: {
  custom: {
    50: '#736dbc',
    500: '#23379f',
    950: '#000000',
  },
}

SCSS

$custom: #23379f;
$custom-light: #736dbc;
$custom-dark: #000000;

JSON

{
  "hex": "#23379f",
  "rgb": {
    "r": 35,
    "g": 55,
    "b": 159
  },
  "hsl": {
    "h": 230.323,
    "s": 63.918,
    "l": 38.039
  },
  "oklch": {
    "l": 0.39451,
    "c": 0.16915,
    "h": 268.6
  },
  "luminance": 0.05593
}

Semantic roles & 50–950 ramp

primary

#23379F

secondary

#C1B15D

accent

#CC41E7

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #23379F

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

Preview Lab → · Contrast checker → · Palette generator →