#23388E#23388E

#23388E is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.1% C 0.145 H 268.2°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#23388E
RGB	rgb(35, 56, 142)
HSL	hsl(228, 60%, 35%)
HSV	hsv(228, 75%, 56%)
CMYK	cmyk(75.4%, 60.6%, 0%, 44.3%)
CIE-LAB	lab(27.12, 23.58, -50.06)
CIE-LCH	lch(27.12, 55.34, 295.23°)
OKLab	oklab(38.07% -0.0046 -0.1445)
OKLCH	oklch(38.07% 0.145 268.2)
XYZ	xyz(6.9881, 5.1379, 26.2094)
Luminance	0.0514 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23388E #8E7923

analogous

#236E8E #23388E #43238E

triadic

#23388E #8E2338 #388E23

tetradic

#23388E #8E236E #8E7923 #238E43

square

#23388E #8E236E #8E7923 #238E43

split-complementary

#23388E #8E4323 #6E8E23

monochromatic

#0B112C #17255D #23388E #2F4BBF #566FD5

Accessibility & contrast

On white

10.36

#23388E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#23388E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23388E

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23388E	#FFFFFF	#000000	##FFFFFF
##23388E	1.00	10.36	2.03	10.36
#FFFFFF	10.36	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004591

Deuteranopia (green-blind)

#003B8C

Tritanopia (blue-blind)

#004E5D

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #23388e;
/* rgb */ color: rgb(35, 56, 142);
/* oklch */ color: oklch(38.1% 0.145 268.2);

Tailwind

colors: {
  custom: {
    50: '#6e6eb0',
    500: '#23388e',
    950: '#000000',
  },
}

SCSS

$custom: #23388e;
$custom-light: #6e6eb0;
$custom-dark: #000000;

JSON

{
  "hex": "#23388e",
  "rgb": {
    "r": 35,
    "g": 56,
    "b": 142
  },
  "hsl": {
    "h": 228.224,
    "s": 60.452,
    "l": 34.706
  },
  "oklch": {
    "l": 0.38075,
    "c": 0.14456,
    "h": 268.2
  },
  "luminance": 0.05139
}

Semantic roles & 50–950 ramp

primary

#23388E

secondary

#B9A553

accent

#C444E4

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #23388E

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

Preview Lab → · Contrast checker → · Palette generator →