#151F70#151F70

#151F70 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.6% C 0.138 H 269.6°. Best body text is #FFFFFF at 14.37:1 contrast (WCAG AA passes).

Color values

HEX	#151F70
RGB	rgb(21, 31, 112)
HSL	hsl(233, 68%, 26%)
HSV	hsv(233, 81%, 44%)
CMYK	cmyk(81.2%, 72.3%, 0%, 56.1%)
CIE-LAB	lab(17.03, 27.43, -47.65)
CIE-LCH	lch(17.03, 54.98, 299.93°)
OKLab	oklab(29.59% -0.0009 -0.138)
OKLCH	oklch(29.59% 0.138 269.6)
XYZ	xyz(3.7229, 2.3088, 15.5755)
Luminance	0.0231 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151F70 #706615

analogous

#154C70 #151F70 #381570

triadic

#151F70 #70151F #1F7015

tetradic

#151F70 #70154C #706615 #157038

square

#151F70 #70154C #706615 #157038

split-complementary

#151F70 #703815 #4C7015

monochromatic

#05071A #0B113C #151F70 #1F2DA4 #293CD7

Accessibility & contrast

On white

14.37

#151F70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#151F70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151F70

14.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151F70	#FFFFFF	#000000	##FFFFFF
##151F70	1.00	14.37	1.46	14.37
#FFFFFF	14.37	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E72

Deuteranopia (green-blind)

#00266F

Tritanopia (blue-blind)

#003545

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #151f70;
/* rgb */ color: rgb(21, 31, 112);
/* oklch */ color: oklch(29.6% 0.138 269.6);

Tailwind

colors: {
  custom: {
    50: '#645b9a',
    500: '#151f70',
    950: '#000000',
  },
}

SCSS

$custom: #151f70;
$custom-light: #645b9a;
$custom-dark: #000000;

JSON

{
  "hex": "#151f70",
  "rgb": {
    "r": 21,
    "g": 31,
    "b": 112
  },
  "hsl": {
    "h": 233.407,
    "s": 68.421,
    "l": 26.078
  },
  "oklch": {
    "l": 0.2959,
    "c": 0.13796,
    "h": 269.6
  },
  "luminance": 0.02309
}

Semantic roles & 50–950 ramp

primary

#151F70

secondary

#A69A3B

accent

#D83DEB

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #151F70

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

Preview Lab → · Contrast checker → · Palette generator →