#23388A#23388A

#23388A is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.7% C 0.139 H 268.1°. Best body text is #FFFFFF at 10.48:1 contrast (WCAG AA passes).

Color values

HEX	#23388A
RGB	rgb(35, 56, 138)
HSL	hsl(228, 60%, 34%)
HSV	hsv(228, 75%, 54%)
CMYK	cmyk(74.6%, 59.4%, 0%, 45.9%)
CIE-LAB	lab(26.79, 22.03, -48.13)
CIE-LCH	lch(26.79, 52.93, 294.60°)
OKLab	oklab(37.72% -0.0047 -0.1388)
OKLCH	oklch(37.72% 0.139 268.1)
XYZ	xyz(6.6932, 5.0199, 24.6560)
Luminance	0.0502 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23388A #8A7523

analogous

#236C8A #23388A #42238A

triadic

#23388A #8A2338 #388A23

tetradic

#23388A #8A236C #8A7523 #238A42

square

#23388A #8A236C #8A7523 #238A42

split-complementary

#23388A #8A4223 #6C8A23

monochromatic

#0A1028 #172459 #23388A #2F4CBB #546ED4

Accessibility & contrast

On white

10.48

#23388A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#23388A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23388A

10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23388A	#FFFFFF	#000000	##FFFFFF
##23388A	1.00	10.48	2.00	10.48
#FFFFFF	10.48	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448D

Deuteranopia (green-blind)

#003B88

Tritanopia (blue-blind)

#004C5B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #23388a;
/* rgb */ color: rgb(35, 56, 138);
/* oklch */ color: oklch(37.7% 0.139 268.1);

Tailwind

colors: {
  custom: {
    50: '#6d6ead',
    500: '#23388a',
    950: '#000000',
  },
}

SCSS

$custom: #23388a;
$custom-light: #6d6ead;
$custom-dark: #000000;

JSON

{
  "hex": "#23388a",
  "rgb": {
    "r": 35,
    "g": 56,
    "b": 138
  },
  "hsl": {
    "h": 227.767,
    "s": 59.538,
    "l": 33.922
  },
  "oklch": {
    "l": 0.37723,
    "c": 0.13889,
    "h": 268.1
  },
  "luminance": 0.05021
}

Semantic roles & 50–950 ramp

primary

#23388A

secondary

#B7A351

accent

#C345E3

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #23388A

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

Preview Lab → · Contrast checker → · Palette generator →