#23458B#23458B

#23458B is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.6% C 0.123 H 262.7°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#23458B
RGB	rgb(35, 69, 139)
HSL	hsl(220, 60%, 34%)
HSV	hsv(220, 75%, 55%)
CMYK	cmyk(74.8%, 50.4%, 0%, 45.5%)
CIE-LAB	lab(30.58, 13.47, -42.60)
CIE-LCH	lch(30.58, 44.68, 287.55°)
OKLab	oklab(40.62% -0.0157 -0.1223)
OKLCH	oklch(40.62% 0.123 262.7)
XYZ	xyz(7.4798, 6.4768, 25.2770)
Luminance	0.0648 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23458B #8B6923

analogous

#23798B #23458B #35238B

triadic

#23458B #8B2345 #458B23

tetradic

#23458B #8B2379 #8B6923 #238B35

square

#23458B #8B2379 #8B6923 #238B35

split-complementary

#23458B #8B3523 #798B23

monochromatic

#0A1429 #172D5A #23458B #2F5DBC #547ED4

Accessibility & contrast

On white

9.15

#23458B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#23458B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23458B

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23458B	#FFFFFF	#000000	##FFFFFF
##23458B	1.00	9.15	2.30	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D4D8E

Deuteranopia (green-blind)

#00448A

Tritanopia (blue-blind)

#005661

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #23458b;
/* rgb */ color: rgb(35, 69, 139);
/* oklch */ color: oklch(40.6% 0.123 262.7);

Tailwind

colors: {
  custom: {
    50: '#6d78ad',
    500: '#23458b',
    950: '#000000',
  },
}

SCSS

$custom: #23458b;
$custom-light: #6d78ad;
$custom-dark: #000000;

JSON

{
  "hex": "#23458b",
  "rgb": {
    "r": 35,
    "g": 69,
    "b": 139
  },
  "hsl": {
    "h": 220.385,
    "s": 59.77,
    "l": 34.118
  },
  "oklch": {
    "l": 0.40616,
    "c": 0.12334,
    "h": 262.7
  },
  "luminance": 0.06478
}

Semantic roles & 50–950 ramp

primary

#23458B

secondary

#B89752

accent

#AF45E3

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #23458B

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

Preview Lab → · Contrast checker → · Palette generator →