#232B4E#232B4E

#232B4E is a dark, moderate blue. Relative luminance 0.026; OKLCH L 30.1% C 0.064 H 272.3°. Best body text is #FFFFFF at 13.75:1 contrast (WCAG AA passes).

Color values

HEX	#232B4E
RGB	rgb(35, 43, 78)
HSL	hsl(229, 38%, 22%)
HSV	hsv(229, 55%, 31%)
CMYK	cmyk(55.1%, 44.9%, 0%, 69.4%)
CIE-LAB	lab(18.52, 8.02, -22.69)
CIE-LCH	lch(18.52, 24.06, 289.47°)
OKLab	oklab(30.05% 0.0026 -0.0642)
OKLCH	oklch(30.05% 0.064 272.3)
XYZ	xyz(2.9317, 2.6350, 7.5604)
Luminance	0.0263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#232B4E #4E4623

analogous

#23414E #232B4E #31234E

triadic

#232B4E #4E232B #2B4E23

tetradic

#232B4E #4E2341 #4E4623 #234E31

square

#232B4E #4E2341 #4E4623 #234E31

split-complementary

#232B4E #4E3123 #414E23

monochromatic

#090C15 #101424 #232B4E #364278 #495AA2

Accessibility & contrast

On white

13.75

#232B4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#232B4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #232B4E

13.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##232B4E	#FFFFFF	#000000	##FFFFFF
##232B4E	1.00	13.75	1.53	13.75
#FFFFFF	13.75	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D2F4F

Deuteranopia (green-blind)

#192B4D

Tritanopia (blue-blind)

#113238

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #232b4e;
/* rgb */ color: rgb(35, 43, 78);
/* oklch */ color: oklch(30.1% 0.064 272.3);

Tailwind

colors: {
  custom: {
    50: '#616480',
    500: '#232b4e',
    950: '#000000',
  },
}

SCSS

$custom: #232b4e;
$custom-light: #616480;
$custom-dark: #000000;

JSON

{
  "hex": "#232b4e",
  "rgb": {
    "r": 35,
    "g": 43,
    "b": 78
  },
  "hsl": {
    "h": 228.837,
    "s": 38.053,
    "l": 22.157
  },
  "oklch": {
    "l": 0.30051,
    "c": 0.06428,
    "h": 272.3
  },
  "luminance": 0.02635
}

Semantic roles & 50–950 ramp

primary

#232B4E

secondary

#82784B

accent

#B85ACE

background

#F5F5F7

surface

#EAEAEE

border

#C6C6C9

text

#05050A

muted

#79797C

Preview Lab

Preview with #232B4E

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

Preview Lab → · Contrast checker → · Palette generator →