#232B4C#232B4C

#232B4C is a dark, moderate blue. Relative luminance 0.026; OKLCH L 29.9% C 0.061 H 272.0°. Best body text is #FFFFFF at 13.80:1 contrast (WCAG AA passes).

Color values

HEX	#232B4C
RGB	rgb(35, 43, 76)
HSL	hsl(228, 37%, 22%)
HSV	hsv(228, 54%, 30%)
CMYK	cmyk(53.9%, 43.4%, 0%, 70.2%)
CIE-LAB	lab(18.39, 7.29, -21.53)
CIE-LCH	lch(18.39, 22.73, 288.69°)
OKLab	oklab(29.92% 0.0021 -0.0608)
OKLCH	oklch(29.92% 0.061 272)
XYZ	xyz(2.8611, 2.6067, 7.1885)
Luminance	0.0261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#232B4C #4C4423

analogous

#23404C #232B4C #30234C

triadic

#232B4C #4C232B #2B4C23

tetradic

#232B4C #4C2340 #4C4423 #234C30

square

#232B4C #4C2340 #4C4423 #234C30

split-complementary

#232B4C #4C3023 #404C23

monochromatic

#0A0C15 #101322 #232B4C #364376 #4A5AA0

Accessibility & contrast

On white

13.80

#232B4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#232B4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #232B4C

13.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##232B4C	#FFFFFF	#000000	##FFFFFF
##232B4C	1.00	13.80	1.52	13.80
#FFFFFF	13.80	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E2F4D

Deuteranopia (green-blind)

#1A2B4B

Tritanopia (blue-blind)

#133237

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #232b4c;
/* rgb */ color: rgb(35, 43, 76);
/* oklch */ color: oklch(29.9% 0.061 272.0);

Tailwind

colors: {
  custom: {
    50: '#61647e',
    500: '#232b4c',
    950: '#000000',
  },
}

SCSS

$custom: #232b4c;
$custom-light: #61647e;
$custom-dark: #000000;

JSON

{
  "hex": "#232b4c",
  "rgb": {
    "r": 35,
    "g": 43,
    "b": 76
  },
  "hsl": {
    "h": 228.293,
    "s": 36.937,
    "l": 21.765
  },
  "oklch": {
    "l": 0.29915,
    "c": 0.06089,
    "h": 272
  },
  "luminance": 0.02607
}

Semantic roles & 50–950 ramp

primary

#232B4C

secondary

#80754B

accent

#B75BCD

background

#F5F5F7

surface

#EAEAEE

border

#C6C6C9

text

#05050A

muted

#79797C

Preview Lab

Preview with #232B4C

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

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