#151E3F#151E3F

#151E3F is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.7% C 0.064 H 269.8°. Best body text is #FFFFFF at 16.29:1 contrast (WCAG AA passes).

Color values

HEX	#151E3F
RGB	rgb(21, 30, 63)
HSL	hsl(227, 50%, 16%)
HSV	hsv(227, 67%, 25%)
CMYK	cmyk(66.7%, 52.4%, 0%, 75.3%)
CIE-LAB	lab(12.27, 8.16, -22.37)
CIE-LCH	lch(12.27, 23.81, 290.05°)
OKLab	oklab(24.66% -0.0003 -0.0638)
OKLCH	oklch(24.66% 0.064 269.8)
XYZ	xyz(1.6704, 1.4467, 4.8929)
Luminance	0.0145 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151E3F #3F3615

analogous

#15333F #151E3F #21153F

triadic

#151E3F #3F151E #1E3F15

tetradic

#151E3F #3F1533 #3F3615 #153F21

square

#151E3F #3F1533 #3F3615 #153F21

split-complementary

#151E3F #3F2115 #333F15

monochromatic

#080B17 #080B17 #151E3F #24346D #344A9B

Accessibility & contrast

On white

16.29

#151E3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#151E3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151E3F

16.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151E3F	#FFFFFF	#000000	##FFFFFF
##151E3F	1.00	16.29	1.29	16.29
#FFFFFF	16.29	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F2240

Deuteranopia (green-blind)

#091E3E

Tritanopia (blue-blind)

#00252B

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #151e3f;
/* rgb */ color: rgb(21, 30, 63);
/* oklch */ color: oklch(24.7% 0.064 269.8);

Tailwind

colors: {
  custom: {
    50: '#575974',
    500: '#151e3f',
    950: '#000000',
  },
}

SCSS

$custom: #151e3f;
$custom-light: #575974;
$custom-dark: #000000;

JSON

{
  "hex": "#151e3f",
  "rgb": {
    "r": 21,
    "g": 30,
    "b": 63
  },
  "hsl": {
    "h": 227.143,
    "s": 50,
    "l": 16.471
  },
  "oklch": {
    "l": 0.24664,
    "c": 0.06381,
    "h": 269.8
  },
  "luminance": 0.01447
}

Semantic roles & 50–950 ramp

primary

#151E3F

secondary

#776939

accent

#BC4EDA

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030308

muted

#78787B

Preview Lab

Preview with #151E3F

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

Preview Lab → · Contrast checker → · Palette generator →