#23458C#23458C

#23458C is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.7% C 0.125 H 262.9°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#23458C
RGB	rgb(35, 69, 140)
HSL	hsl(221, 60%, 34%)
HSV	hsv(221, 75%, 55%)
CMYK	cmyk(75%, 50.7%, 0%, 45.1%)
CIE-LAB	lab(30.66, 13.86, -43.10)
CIE-LCH	lch(30.66, 45.28, 287.83°)
OKLab	oklab(40.69% -0.0155 -0.1238)
OKLCH	oklch(40.69% 0.125 262.9)
XYZ	xyz(7.5532, 6.5062, 25.6636)
Luminance	0.0651 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23458C #8C6A23

analogous

#237A8C #23458C #35238C

triadic

#23458C #8C2345 #458C23

tetradic

#23458C #8C237A #8C6A23 #238C35

square

#23458C #8C237A #8C6A23 #238C35

split-complementary

#23458C #8C3523 #7A8C23

monochromatic

#0B152A #172D5B #23458C #2F5DBD #557ED4

Accessibility & contrast

On white

9.12

#23458C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#23458C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23458C

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23458C	#FFFFFF	#000000	##FFFFFF
##23458C	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C4D8F

Deuteranopia (green-blind)

#00448B

Tritanopia (blue-blind)

#005662

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #23458c;
/* rgb */ color: rgb(35, 69, 140);
/* oklch */ color: oklch(40.7% 0.125 262.9);

Tailwind

colors: {
  custom: {
    50: '#6d78ae',
    500: '#23458c',
    950: '#000000',
  },
}

SCSS

$custom: #23458c;
$custom-light: #6d78ae;
$custom-dark: #000000;

JSON

{
  "hex": "#23458c",
  "rgb": {
    "r": 35,
    "g": 69,
    "b": 140
  },
  "hsl": {
    "h": 220.571,
    "s": 60,
    "l": 34.314
  },
  "oklch": {
    "l": 0.40693,
    "c": 0.12478,
    "h": 262.9
  },
  "luminance": 0.06507
}

Semantic roles & 50–950 ramp

primary

#23458C

secondary

#B89752

accent

#B045E3

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #23458C

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

Preview Lab → · Contrast checker → · Palette generator →