#23288E#23288E

#23288E is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.1% C 0.164 H 272.1°. Best body text is #FFFFFF at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#23288E
RGB	rgb(35, 40, 142)
HSL	hsl(237, 60%, 35%)
HSV	hsv(237, 75%, 56%)
CMYK	cmyk(75.4%, 71.8%, 0%, 44.3%)
CIE-LAB	lab(23.09, 34.20, -56.67)
CIE-LCH	lch(23.09, 66.19, 301.11°)
OKLab	oklab(35.12% 0.0061 -0.1639)
OKLCH	oklch(35.12% 0.164 272.1)
XYZ	xyz(6.3328, 3.8272, 25.9909)
Luminance	0.0383 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23288E #8E8923

analogous

#235E8E #23288E #53238E

triadic

#23288E #8E2328 #288E23

tetradic

#23288E #8E235E #8E8923 #238E53

square

#23288E #8E235E #8E8923 #238E53

split-complementary

#23288E #8E5323 #5E8E23

monochromatic

#0B0C2C #171A5D #23288E #2F36BF #565CD5

Accessibility & contrast

On white

11.89

#23288E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#23288E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23288E

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23288E	#FFFFFF	#000000	##FFFFFF
##23288E	1.00	11.89	1.77	11.89
#FFFFFF	11.89	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C91

Deuteranopia (green-blind)

#00328C

Tritanopia (blue-blind)

#004458

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #23288e;
/* rgb */ color: rgb(35, 40, 142);
/* oklch */ color: oklch(35.1% 0.164 272.1);

Tailwind

colors: {
  custom: {
    50: '#7062b0',
    500: '#23288e',
    950: '#000000',
  },
}

SCSS

$custom: #23288e;
$custom-light: #7062b0;
$custom-dark: #000000;

JSON

{
  "hex": "#23288e",
  "rgb": {
    "r": 35,
    "g": 40,
    "b": 142
  },
  "hsl": {
    "h": 237.196,
    "s": 60.452,
    "l": 34.706
  },
  "oklch": {
    "l": 0.3512,
    "c": 0.16405,
    "h": 272.1
  },
  "luminance": 0.03828
}

Semantic roles & 50–950 ramp

primary

#23288E

secondary

#B9B553

accent

#DC44E4

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #23288E

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

Preview Lab → · Contrast checker → · Palette generator →