#23388F#23388F

#23388F is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.2% C 0.146 H 268.2°. Best body text is #FFFFFF at 10.33:1 contrast (WCAG AA passes).

Color values

HEX	#23388F
RGB	rgb(35, 56, 143)
HSL	hsl(228, 61%, 35%)
HSV	hsv(228, 76%, 56%)
CMYK	cmyk(75.5%, 60.8%, 0%, 43.9%)
CIE-LAB	lab(27.21, 23.97, -50.54)
CIE-LCH	lch(27.21, 55.94, 295.38°)
OKLab	oklab(38.16% -0.0046 -0.1459)
OKLCH	oklch(38.16% 0.146 268.2)
XYZ	xyz(7.0635, 5.1681, 26.6066)
Luminance	0.0517 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23388F #8F7A23

analogous

#236E8F #23388F #44238F

triadic

#23388F #8F2338 #388F23

tetradic

#23388F #8F236E #8F7A23 #238F44

square

#23388F #8F236E #8F7A23 #238F44

split-complementary

#23388F #8F4423 #6E8F23

monochromatic

#0B112D #17255E #23388F #2F4BC0 #576FD6

Accessibility & contrast

On white

10.33

#23388F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#23388F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23388F

10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23388F	#FFFFFF	#000000	##FFFFFF
##23388F	1.00	10.33	2.03	10.33
#FFFFFF	10.33	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004592

Deuteranopia (green-blind)

#003B8D

Tritanopia (blue-blind)

#004E5E

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #23388f;
/* rgb */ color: rgb(35, 56, 143);
/* oklch */ color: oklch(38.2% 0.146 268.2);

Tailwind

colors: {
  custom: {
    50: '#6f6eb1',
    500: '#23388f',
    950: '#000000',
  },
}

SCSS

$custom: #23388f;
$custom-light: #6f6eb1;
$custom-dark: #000000;

JSON

{
  "hex": "#23388f",
  "rgb": {
    "r": 35,
    "g": 56,
    "b": 143
  },
  "hsl": {
    "h": 228.333,
    "s": 60.674,
    "l": 34.902
  },
  "oklch": {
    "l": 0.38164,
    "c": 0.14597,
    "h": 268.2
  },
  "luminance": 0.05169
}

Semantic roles & 50–950 ramp

primary

#23388F

secondary

#BAA654

accent

#C544E4

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #23388F

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

Preview Lab → · Contrast checker → · Palette generator →