#233458#233458

#233458 is a dark, moderate blue. Relative luminance 0.035; OKLCH L 32.9% C 0.068 H 263.9°. Best body text is #FFFFFF at 12.33:1 contrast (WCAG AA passes).

Color values

HEX	#233458
RGB	rgb(35, 52, 88)
HSL	hsl(221, 43%, 24%)
HSV	hsv(221, 60%, 35%)
CMYK	cmyk(60.2%, 40.9%, 0%, 65.5%)
CIE-LAB	lab(22.01, 5.35, -23.84)
CIE-LCH	lch(22.01, 24.43, 282.66°)
OKLab	oklab(32.94% -0.0072 -0.0675)
OKLCH	oklch(32.94% 0.068 263.9)
XYZ	xyz(3.6820, 3.5176, 9.7156)
Luminance	0.0352 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233458 #584723

analogous

#234F58 #233458 #2D2358

triadic

#233458 #582334 #345823

tetradic

#233458 #58234F #584723 #23582D

square

#233458 #58234F #584723 #23582D

split-complementary

#233458 #582D23 #4F5823

monochromatic

#090D16 #121A2C #233458 #344E84 #4668B0

Accessibility & contrast

On white

12.33

#233458 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#233458 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233458

12.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233458	#FFFFFF	#000000	##FFFFFF
##233458	1.00	12.33	1.70	12.33
#FFFFFF	12.33	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#253759

Deuteranopia (green-blind)

#1F3257

Tritanopia (blue-blind)

#033C41

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #233458;
/* rgb */ color: rgb(35, 52, 88);
/* oklch */ color: oklch(32.9% 0.068 263.9);

Tailwind

colors: {
  custom: {
    50: '#636b87',
    500: '#233458',
    950: '#000000',
  },
}

SCSS

$custom: #233458;
$custom-light: #636b87;
$custom-dark: #000000;

JSON

{
  "hex": "#233458",
  "rgb": {
    "r": 35,
    "g": 52,
    "b": 88
  },
  "hsl": {
    "h": 220.755,
    "s": 43.089,
    "l": 24.118
  },
  "oklch": {
    "l": 0.3294,
    "c": 0.0679,
    "h": 263.9
  },
  "luminance": 0.03518
}

Semantic roles & 50–950 ramp

primary

#233458

secondary

#8C774B

accent

#AA55D3

background

#F6F6F8

surface

#EBEBEF

border

#C6C6CA

text

#05060B

muted

#7A7A7C

Preview Lab

Preview with #233458

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

Preview Lab → · Contrast checker → · Palette generator →