#151C6E#151C6E

#151C6E is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.8% C 0.139 H 270.4°. Best body text is #FFFFFF at 14.76:1 contrast (WCAG AA passes).

Color values

HEX	#151C6E
RGB	rgb(21, 28, 110)
HSL	hsl(235, 68%, 26%)
HSV	hsv(235, 81%, 43%)
CMYK	cmyk(80.9%, 74.5%, 0%, 56.9%)
CIE-LAB	lab(16.08, 28.67, -47.91)
CIE-LCH	lch(16.08, 55.83, 300.89°)
OKLab	oklab(28.84% 0.001 -0.1387)
OKLCH	oklch(28.84% 0.139 270.4)
XYZ	xyz(3.5380, 2.1153, 14.9707)
Luminance	0.0212 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151C6E #6E6715

analogous

#15486E #151C6E #3A156E

triadic

#151C6E #6E151C #1C6E15

tetradic

#151C6E #6E1548 #6E6715 #156E3A

square

#151C6E #6E1548 #6E6715 #156E3A

split-complementary

#151C6E #6E3A15 #486E15

monochromatic

#05071A #0B0F3B #151C6E #1F29A1 #2936D5

Accessibility & contrast

On white

14.76

#151C6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#151C6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151C6E

14.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151C6E	#FFFFFF	#000000	##FFFFFF
##151C6E	1.00	14.76	1.42	14.76
#FFFFFF	14.76	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C70

Deuteranopia (green-blind)

#00246D

Tritanopia (blue-blind)

#003343

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #151c6e;
/* rgb */ color: rgb(21, 28, 110);
/* oklch */ color: oklch(28.8% 0.139 270.4);

Tailwind

colors: {
  custom: {
    50: '#645899',
    500: '#151c6e',
    950: '#000000',
  },
}

SCSS

$custom: #151c6e;
$custom-light: #645899;
$custom-dark: #000000;

JSON

{
  "hex": "#151c6e",
  "rgb": {
    "r": 21,
    "g": 28,
    "b": 110
  },
  "hsl": {
    "h": 235.281,
    "s": 67.939,
    "l": 25.686
  },
  "oklch": {
    "l": 0.2884,
    "c": 0.13873,
    "h": 270.4
  },
  "luminance": 0.02116
}

Semantic roles & 50–950 ramp

primary

#151C6E

secondary

#A49C3A

accent

#DD3DEB

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #151C6E

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

Preview Lab → · Contrast checker → · Palette generator →