#23389B#23389B

#23389B is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.3% C 0.163 H 268.4°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#23389B
RGB	rgb(35, 56, 155)
HSL	hsl(230, 63%, 37%)
HSV	hsv(230, 77%, 61%)
CMYK	cmyk(77.4%, 63.9%, 0%, 39.2%)
CIE-LAB	lab(28.25, 28.58, -56.19)
CIE-LCH	lch(28.25, 63.05, 296.96°)
OKLab	oklab(39.26% -0.0047 -0.1625)
OKLCH	oklch(39.26% 0.163 268.4)
XYZ	xyz(8.0217, 5.5513, 31.6527)
Luminance	0.0555 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23389B #9B8623

analogous

#23749B #23389B #4A239B

triadic

#23389B #9B2338 #389B23

tetradic

#23389B #9B2374 #9B8623 #239B4A

square

#23389B #9B2374 #9B8623 #239B4A

split-complementary

#23389B #9B4A23 #749B23

monochromatic

#0C1437 #182669 #23389B #2E4ACD #5E74DB

Accessibility & contrast

On white

9.95

#23389B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#23389B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23389B

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23389B	#FFFFFF	#000000	##FFFFFF
##23389B	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489E

Deuteranopia (green-blind)

#003D99

Tritanopia (blue-blind)

#005264

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #23389b;
/* rgb */ color: rgb(35, 56, 155);
/* oklch */ color: oklch(39.3% 0.163 268.4);

Tailwind

colors: {
  custom: {
    50: '#726eb9',
    500: '#23389b',
    950: '#000000',
  },
}

SCSS

$custom: #23389b;
$custom-light: #726eb9;
$custom-dark: #000000;

JSON

{
  "hex": "#23389b",
  "rgb": {
    "r": 35,
    "g": 56,
    "b": 155
  },
  "hsl": {
    "h": 229.5,
    "s": 63.158,
    "l": 37.255
  },
  "oklch": {
    "l": 0.39261,
    "c": 0.16256,
    "h": 268.4
  },
  "luminance": 0.05552
}

Semantic roles & 50–950 ramp

primary

#23389B

secondary

#BFAE5A

accent

#C942E6

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #23389B

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

Preview Lab → · Contrast checker → · Palette generator →