#23308E#23308E

#23308E is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.5% C 0.155 H 270.4°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#23308E
RGB	rgb(35, 48, 142)
HSL	hsl(233, 60%, 35%)
HSV	hsv(233, 75%, 56%)
CMYK	cmyk(75.4%, 66.2%, 0%, 44.3%)
CIE-LAB	lab(25.02, 29.00, -53.49)
CIE-LCH	lch(25.02, 60.85, 298.47°)
OKLab	oklab(36.52% 0.0011 -0.1546)
OKLCH	oklch(36.52% 0.155 270.4)
XYZ	xyz(6.6309, 4.4235, 26.0903)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23308E #8E8123

analogous

#23668E #23308E #4B238E

triadic

#23308E #8E2330 #308E23

tetradic

#23308E #8E2366 #8E8123 #238E4B

square

#23308E #8E2366 #8E8123 #238E4B

split-complementary

#23308E #8E4B23 #668E23

monochromatic

#0B0F2C #171F5D #23308E #2F41BF #5666D5

Accessibility & contrast

On white

11.14

#23308E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#23308E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23308E

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23308E	#FFFFFF	#000000	##FFFFFF
##23308E	1.00	11.14	1.88	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004091

Deuteranopia (green-blind)

#00368C

Tritanopia (blue-blind)

#00495A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #23308e;
/* rgb */ color: rgb(35, 48, 142);
/* oklch */ color: oklch(36.5% 0.155 270.4);

Tailwind

colors: {
  custom: {
    50: '#6f68b0',
    500: '#23308e',
    950: '#000000',
  },
}

SCSS

$custom: #23308e;
$custom-light: #6f68b0;
$custom-dark: #000000;

JSON

{
  "hex": "#23308e",
  "rgb": {
    "r": 35,
    "g": 48,
    "b": 142
  },
  "hsl": {
    "h": 232.71,
    "s": 60.452,
    "l": 34.706
  },
  "oklch": {
    "l": 0.36524,
    "c": 0.15464,
    "h": 270.4
  },
  "luminance": 0.04424
}

Semantic roles & 50–950 ramp

primary

#23308E

secondary

#B9AD53

accent

#D044E4

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080611

muted

#7B7A80

Preview Lab

Preview with #23308E

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

Preview Lab → · Contrast checker → · Palette generator →