#13233B#13233B

#13233B is a dark, muted blue. Relative luminance 0.017; OKLCH L 25.5% C 0.051 H 258.3°. Best body text is #FFFFFF at 15.78:1 contrast (WCAG AA passes).

Color values

HEX	#13233B
RGB	rgb(19, 35, 59)
HSL	hsl(216, 51%, 15%)
HSV	hsv(216, 68%, 23%)
CMYK	cmyk(67.8%, 40.7%, 0%, 76.9%)
CIE-LAB	lab(13.57, 2.24, -17.49)
CIE-LCH	lch(13.57, 17.64, 277.31°)
OKLab	oklab(25.55% -0.0103 -0.0495)
OKLCH	oklch(25.55% 0.051 258.3)
XYZ	xyz(1.6587, 1.6561, 4.3691)
Luminance	0.0166 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13233B #3B2B13

analogous

#13373B #13233B #17133B

triadic

#13233B #3B1323 #233B13

tetradic

#13233B #3B1337 #3B2B13 #133B17

square

#13233B #3B1337 #3B2B13 #133B17

split-complementary

#13233B #3B1713 #373B13

monochromatic

#070E17 #070E17 #13233B #223E69 #315A98

Accessibility & contrast

On white

15.78

#13233B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#13233B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13233B

15.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13233B	#FFFFFF	#000000	##FFFFFF
##13233B	1.00	15.78	1.33	15.78
#FFFFFF	15.78	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19253C

Deuteranopia (green-blind)

#14213A

Tritanopia (blue-blind)

#00282C

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #13233b;
/* rgb */ color: rgb(19, 35, 59);
/* oklch */ color: oklch(25.5% 0.051 258.3);

Tailwind

colors: {
  custom: {
    50: '#555d71',
    500: '#13233b',
    950: '#000000',
  },
}

SCSS

$custom: #13233b;
$custom-light: #555d71;
$custom-dark: #000000;

JSON

{
  "hex": "#13233b",
  "rgb": {
    "r": 19,
    "g": 35,
    "b": 59
  },
  "hsl": {
    "h": 216,
    "s": 51.282,
    "l": 15.294
  },
  "oklch": {
    "l": 0.25547,
    "c": 0.05054,
    "h": 258.3
  },
  "luminance": 0.01656
}

Semantic roles & 50–950 ramp

primary

#13233B

secondary

#735B36

accent

#A24DDB

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030407

muted

#78797A

Preview Lab

Preview with #13233B

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

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