#232B58#232B58

#232B58 is a dark, moderate blue. Relative luminance 0.028; OKLCH L 30.8% C 0.081 H 273.2°. Best body text is #FFFFFF at 13.48:1 contrast (WCAG AA passes).

Color values

HEX	#232B58
RGB	rgb(35, 43, 88)
HSL	hsl(231, 43%, 24%)
HSV	hsv(231, 60%, 35%)
CMYK	cmyk(60.2%, 51.1%, 0%, 65.5%)
CIE-LAB	lab(19.18, 11.77, -28.34)
CIE-LCH	lch(19.18, 30.69, 292.56°)
OKLab	oklab(30.77% 0.0045 -0.0808)
OKLCH	oklch(30.77% 0.081 273.2)
XYZ	xyz(3.3179, 2.7894, 9.5942)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#232B58 #585023

analogous

#234658 #232B58 #362358

triadic

#232B58 #58232B #2B5823

tetradic

#232B58 #582346 #585023 #235836

square

#232B58 #582346 #585023 #235836

split-complementary

#232B58 #583623 #465823

monochromatic

#090B16 #12162C #232B58 #344084 #4656B0

Accessibility & contrast

On white

13.48

#232B58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#232B58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #232B58

13.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##232B58	#FFFFFF	#000000	##FFFFFF
##232B58	1.00	13.48	1.56	13.48
#FFFFFF	13.48	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16315A

Deuteranopia (green-blind)

#0F2C57

Tritanopia (blue-blind)

#06353D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #232b58;
/* rgb */ color: rgb(35, 43, 88);
/* oklch */ color: oklch(30.8% 0.081 273.2);

Tailwind

colors: {
  custom: {
    50: '#636487',
    500: '#232b58',
    950: '#000000',
  },
}

SCSS

$custom: #232b58;
$custom-light: #636487;
$custom-dark: #000000;

JSON

{
  "hex": "#232b58",
  "rgb": {
    "r": 35,
    "g": 43,
    "b": 88
  },
  "hsl": {
    "h": 230.943,
    "s": 43.089,
    "l": 24.118
  },
  "oklch": {
    "l": 0.3077,
    "c": 0.08093,
    "h": 273.2
  },
  "luminance": 0.0279
}

Semantic roles & 50–950 ramp

primary

#232B58

secondary

#8C824B

accent

#C055D3

background

#F6F5F8

surface

#EBEAEF

border

#C6C6CA

text

#05050B

muted

#7A797C

Preview Lab

Preview with #232B58

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

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