#23389F#23389F

#23389F is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.6% C 0.168 H 268.4°. Best body text is #FFFFFF at 9.82:1 contrast (WCAG AA passes).

Color values

HEX	#23389F
RGB	rgb(35, 56, 159)
HSL	hsl(230, 64%, 38%)
HSV	hsv(230, 78%, 62%)
CMYK	cmyk(78%, 64.8%, 0%, 37.6%)
CIE-LAB	lab(28.61, 30.10, -58.04)
CIE-LCH	lch(28.61, 65.38, 297.41°)
OKLab	oklab(39.64% -0.0048 -0.1679)
OKLCH	oklch(39.64% 0.168 268.4)
XYZ	xyz(8.3632, 5.6879, 33.4513)
Luminance	0.0569 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23389F #9F8A23

analogous

#23769F #23389F #4C239F

triadic

#23389F #9F2338 #389F23

tetradic

#23389F #9F2376 #9F8A23 #239F4C

square

#23389F #9F2376 #9F8A23 #239F4C

split-complementary

#23389F #9F4C23 #769F23

monochromatic

#0D153B #18266D #23389F #2E4AD1 #6075DC

Accessibility & contrast

On white

9.82

#23389F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#23389F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23389F

9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23389F	#FFFFFF	#000000	##FFFFFF
##23389F	1.00	9.82	2.14	9.82
#FFFFFF	9.82	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A2

Deuteranopia (green-blind)

#003E9D

Tritanopia (blue-blind)

#005366

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #23389f;
/* rgb */ color: rgb(35, 56, 159);
/* oklch */ color: oklch(39.6% 0.168 268.4);

Tailwind

colors: {
  custom: {
    50: '#736ebc',
    500: '#23389f',
    950: '#000000',
  },
}

SCSS

$custom: #23389f;
$custom-light: #736ebc;
$custom-dark: #000000;

JSON

{
  "hex": "#23389f",
  "rgb": {
    "r": 35,
    "g": 56,
    "b": 159
  },
  "hsl": {
    "h": 229.839,
    "s": 63.918,
    "l": 38.039
  },
  "oklch": {
    "l": 0.39637,
    "c": 0.16795,
    "h": 268.4
  },
  "luminance": 0.05689
}

Semantic roles & 50–950 ramp

primary

#23389F

secondary

#C1B05D

accent

#CB41E7

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #23389F

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

Preview Lab → · Contrast checker → · Palette generator →