#23458F#23458F

#23458F is a dark, vivid blue. Relative luminance 0.066; OKLCH L 40.9% C 0.129 H 263.3°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#23458F
RGB	rgb(35, 69, 143)
HSL	hsl(221, 61%, 35%)
HSV	hsv(221, 76%, 56%)
CMYK	cmyk(75.5%, 51.7%, 0%, 43.9%)
CIE-LAB	lab(30.87, 15.05, -44.60)
CIE-LCH	lch(30.87, 47.07, 288.65°)
OKLab	oklab(40.92% -0.0151 -0.1282)
OKLCH	oklch(40.92% 0.129 263.3)
XYZ	xyz(7.7774, 6.5959, 26.8445)
Luminance	0.0660 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23458F #8F6D23

analogous

#237B8F #23458F #37238F

triadic

#23458F #8F2345 #458F23

tetradic

#23458F #8F237B #8F6D23 #238F37

square

#23458F #8F237B #8F6D23 #238F37

split-complementary

#23458F #8F3723 #7B8F23

monochromatic

#0B162D #172D5E #23458F #2F5DC0 #577FD6

Accessibility & contrast

On white

9.05

#23458F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#23458F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23458F

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23458F	#FFFFFF	#000000	##FFFFFF
##23458F	1.00	9.05	2.32	9.05
#FFFFFF	9.05	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#184E92

Deuteranopia (green-blind)

#00448E

Tritanopia (blue-blind)

#005763

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #23458f;
/* rgb */ color: rgb(35, 69, 143);
/* oklch */ color: oklch(40.9% 0.129 263.3);

Tailwind

colors: {
  custom: {
    50: '#6e78b0',
    500: '#23458f',
    950: '#000000',
  },
}

SCSS

$custom: #23458f;
$custom-light: #6e78b0;
$custom-dark: #000000;

JSON

{
  "hex": "#23458f",
  "rgb": {
    "r": 35,
    "g": 69,
    "b": 143
  },
  "hsl": {
    "h": 221.111,
    "s": 60.674,
    "l": 34.902
  },
  "oklch": {
    "l": 0.40924,
    "c": 0.12911,
    "h": 263.3
  },
  "luminance": 0.06597
}

Semantic roles & 50–950 ramp

primary

#23458F

secondary

#BA9A54

accent

#B144E4

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #23458F

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

Preview Lab → · Contrast checker → · Palette generator →