#233457#233457

#233457 is a dark, moderate blue. Relative luminance 0.035; OKLCH L 32.9% C 0.066 H 263.5°. Best body text is #FFFFFF at 12.35:1 contrast (WCAG AA passes).

Color values

HEX	#233457
RGB	rgb(35, 52, 87)
HSL	hsl(220, 43%, 24%)
HSV	hsv(220, 60%, 34%)
CMYK	cmyk(59.8%, 40.2%, 0%, 65.9%)
CIE-LAB	lab(21.95, 4.98, -23.27)
CIE-LCH	lch(21.95, 23.80, 282.07°)
OKLab	oklab(32.88% -0.0074 -0.0659)
OKLCH	oklch(32.88% 0.066 263.5)
XYZ	xyz(3.6408, 3.5011, 9.4989)
Luminance	0.0350 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233457 #574623

analogous

#234E57 #233457 #2C2357

triadic

#233457 #572334 #345723

tetradic

#233457 #57234E #574623 #23572C

square

#233457 #57234E #574623 #23572C

split-complementary

#233457 #572C23 #4E5723

monochromatic

#090D16 #111A2B #233457 #354E83 #4668AE

Accessibility & contrast

On white

12.35

#233457 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#233457 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233457

12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233457	#FFFFFF	#000000	##FFFFFF
##233457	1.00	12.35	1.70	12.35
#FFFFFF	12.35	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#263758

Deuteranopia (green-blind)

#1F3256

Tritanopia (blue-blind)

#053C41

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #233457;
/* rgb */ color: rgb(35, 52, 87);
/* oklch */ color: oklch(32.9% 0.066 263.5);

Tailwind

colors: {
  custom: {
    50: '#626b86',
    500: '#233457',
    950: '#000000',
  },
}

SCSS

$custom: #233457;
$custom-light: #626b86;
$custom-dark: #000000;

JSON

{
  "hex": "#233457",
  "rgb": {
    "r": 35,
    "g": 52,
    "b": 87
  },
  "hsl": {
    "h": 220.385,
    "s": 42.623,
    "l": 23.922
  },
  "oklch": {
    "l": 0.32875,
    "c": 0.06628,
    "h": 263.5
  },
  "luminance": 0.03501
}

Semantic roles & 50–950 ramp

primary

#233457

secondary

#8B764B

accent

#AA55D2

background

#F6F6F8

surface

#EBEBEF

border

#C6C6CA

text

#05060B

muted

#7A7A7C

Preview Lab

Preview with #233457

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

Preview Lab → · Contrast checker → · Palette generator →