#0F235B#0F235B

#0F235B is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.0% C 0.104 H 265.2°. Best body text is #FFFFFF at 14.87:1 contrast (WCAG AA passes).

Color values

HEX	#0F235B
RGB	rgb(15, 35, 91)
HSL	hsl(224, 72%, 21%)
HSV	hsv(224, 84%, 36%)
CMYK	cmyk(83.5%, 61.5%, 0%, 64.3%)
CIE-LAB	lab(15.79, 15.26, -35.87)
CIE-LCH	lch(15.79, 38.98, 293.04°)
OKLab	oklab(27.97% -0.0086 -0.1036)
OKLCH	oklch(27.97% 0.104 265.2)
XYZ	xyz(2.6857, 2.0586, 10.1513)
Luminance	0.0206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F235B #5B470F

analogous

#0F495B #0F235B #210F5B

triadic

#0F235B #5B0F23 #235B0F

tetradic

#0F235B #5B0F49 #5B470F #0F5B21

square

#0F235B #5B0F49 #5B470F #0F5B21

split-complementary

#0F235B #5B210F #495B0F

monochromatic

#040A1A #060F26 #0F235B #183790 #204BC4

Accessibility & contrast

On white

14.87

#0F235B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#0F235B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F235B

14.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F235B	#FFFFFF	#000000	##FFFFFF
##0F235B	1.00	14.87	1.41	14.87
#FFFFFF	14.87	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B5D

Deuteranopia (green-blind)

#00245A

Tritanopia (blue-blind)

#00313B

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #0f235b;
/* rgb */ color: rgb(15, 35, 91);
/* oklch */ color: oklch(28.0% 0.104 265.2);

Tailwind

colors: {
  custom: {
    50: '#5b5d8a',
    500: '#0f235b',
    950: '#000000',
  },
}

SCSS

$custom: #0f235b;
$custom-light: #5b5d8a;
$custom-dark: #000000;

JSON

{
  "hex": "#0f235b",
  "rgb": {
    "r": 15,
    "g": 35,
    "b": 91
  },
  "hsl": {
    "h": 224.211,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.27967,
    "c": 0.10393,
    "h": 265.2
  },
  "luminance": 0.02059
}

Semantic roles & 50–950 ramp

primary

#0F235B

secondary

#957A31

accent

#BF39EE

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#04040C

muted

#79797D

Preview Lab

Preview with #0F235B

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

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