#0F153B#0F153B

#0F153B is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 21.7% C 0.073 H 272.1°. Best body text is #FFFFFF at 17.64:1 contrast (WCAG AA passes).

Color values

HEX	#0F153B
RGB	rgb(15, 21, 59)
HSL	hsl(232, 59%, 15%)
HSV	hsv(232, 75%, 23%)
CMYK	cmyk(74.6%, 64.4%, 0%, 76.9%)
CIE-LAB	lab(8.60, 12.13, -25.46)
CIE-LCH	lch(8.60, 28.20, 295.48°)
OKLab	oklab(21.67% 0.0026 -0.0732)
OKLCH	oklch(21.67% 0.073 272.1)
XYZ	xyz(1.2543, 0.9535, 4.2548)
Luminance	0.0095 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F153B #3B350F

analogous

#0F2B3B #0F153B #1F0F3B

triadic

#0F153B #3B0F15 #153B0F

tetradic

#0F153B #3B0F2B #3B350F #0F3B1F

square

#0F153B #3B0F2B #3B350F #0F3B1F

split-complementary

#0F153B #3B1F0F #2B3B0F

monochromatic

#060918 #060918 #0F153B #1B266C #28389D

Accessibility & contrast

On white

17.64

#0F153B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#0F153B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F153B

17.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F153B	#FFFFFF	#000000	##FFFFFF
##0F153B	1.00	17.64	1.19	17.64
#FFFFFF	17.64	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B3C

Deuteranopia (green-blind)

#00173A

Tritanopia (blue-blind)

#001E25

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #0f153b;
/* rgb */ color: rgb(15, 21, 59);
/* oklch */ color: oklch(21.7% 0.073 272.1);

Tailwind

colors: {
  custom: {
    50: '#545171',
    500: '#0f153b',
    950: '#000000',
  },
}

SCSS

$custom: #0f153b;
$custom-light: #545171;
$custom-dark: #000000;

JSON

{
  "hex": "#0f153b",
  "rgb": {
    "r": 15,
    "g": 21,
    "b": 59
  },
  "hsl": {
    "h": 231.818,
    "s": 59.459,
    "l": 14.51
  },
  "oklch": {
    "l": 0.21674,
    "c": 0.07323,
    "h": 272.1
  },
  "luminance": 0.00954
}

Semantic roles & 50–950 ramp

primary

#0F153B

secondary

#756C30

accent

#CD45E3

background

#F5F4F6

surface

#E8E7EC

border

#C4C3C7

text

#030208

muted

#78787B

Preview Lab

Preview with #0F153B

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

Preview Lab → · Contrast checker → · Palette generator →