#151C70#151C70

#151C70 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.1% C 0.141 H 270.3°. Best body text is #FFFFFF at 14.66:1 contrast (WCAG AA passes).

Color values

HEX	#151C70
RGB	rgb(21, 28, 112)
HSL	hsl(235, 68%, 26%)
HSV	hsv(235, 81%, 44%)
CMYK	cmyk(81.2%, 75%, 0%, 56.1%)
CIE-LAB	lab(16.30, 29.43, -48.85)
CIE-LCH	lch(16.30, 57.03, 301.06°)
OKLab	oklab(29.07% 0.0007 -0.1414)
OKLCH	oklch(29.07% 0.141 270.3)
XYZ	xyz(3.6481, 2.1594, 15.5506)
Luminance	0.0216 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151C70 #706915

analogous

#154970 #151C70 #3B1570

triadic

#151C70 #70151C #1C7015

tetradic

#151C70 #701549 #706915 #15703B

square

#151C70 #701549 #706915 #15703B

split-complementary

#151C70 #703B15 #497015

monochromatic

#05061A #0B0F3C #151C70 #1F29A4 #2936D7

Accessibility & contrast

On white

14.66

#151C70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#151C70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151C70

14.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151C70	#FFFFFF	#000000	##FFFFFF
##151C70	1.00	14.66	1.43	14.66
#FFFFFF	14.66	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D73

Deuteranopia (green-blind)

#00246E

Tritanopia (blue-blind)

#003444

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #151c70;
/* rgb */ color: rgb(21, 28, 112);
/* oklch */ color: oklch(29.1% 0.141 270.3);

Tailwind

colors: {
  custom: {
    50: '#64599a',
    500: '#151c70',
    950: '#000000',
  },
}

SCSS

$custom: #151c70;
$custom-light: #64599a;
$custom-dark: #000000;

JSON

{
  "hex": "#151c70",
  "rgb": {
    "r": 21,
    "g": 28,
    "b": 112
  },
  "hsl": {
    "h": 235.385,
    "s": 68.421,
    "l": 26.078
  },
  "oklch": {
    "l": 0.29065,
    "c": 0.14145,
    "h": 270.3
  },
  "luminance": 0.0216
}

Semantic roles & 50–950 ramp

primary

#151C70

secondary

#A69E3B

accent

#DE3DEB

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #151C70

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

Preview Lab → · Contrast checker → · Palette generator →