#151D71#151D71

#151D71 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.3% C 0.142 H 270.0°. Best body text is #FFFFFF at 14.52:1 contrast (WCAG AA passes).

Color values

HEX	#151D71
RGB	rgb(21, 29, 113)
HSL	hsl(235, 69%, 26%)
HSV	hsv(235, 81%, 44%)
CMYK	cmyk(81.4%, 74.3%, 0%, 55.7%)
CIE-LAB	lab(16.65, 29.15, -48.92)
CIE-LCH	lch(16.65, 56.95, 300.79°)
OKLab	oklab(29.35% 0.0001 -0.1417)
OKLCH	oklch(29.35% 0.142 270)
XYZ	xyz(3.7282, 2.2300, 15.8535)
Luminance	0.0223 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151D71 #716915

analogous

#154B71 #151D71 #3B1571

triadic

#151D71 #71151D #1D7115

tetradic

#151D71 #71154B #716915 #15713B

square

#151D71 #71154B #716915 #15713B

split-complementary

#151D71 #713B15 #4B7115

monochromatic

#05071A #0B103D #151D71 #1F2AA5 #2938D7

Accessibility & contrast

On white

14.52

#151D71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#151D71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151D71

14.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151D71	#FFFFFF	#000000	##FFFFFF
##151D71	1.00	14.52	1.45	14.52
#FFFFFF	14.52	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E74

Deuteranopia (green-blind)

#00256F

Tritanopia (blue-blind)

#003545

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #151d71;
/* rgb */ color: rgb(21, 29, 113);
/* oklch */ color: oklch(29.3% 0.142 270.0);

Tailwind

colors: {
  custom: {
    50: '#64599b',
    500: '#151d71',
    950: '#000000',
  },
}

SCSS

$custom: #151d71;
$custom-light: #64599b;
$custom-dark: #000000;

JSON

{
  "hex": "#151d71",
  "rgb": {
    "r": 21,
    "g": 29,
    "b": 113
  },
  "hsl": {
    "h": 234.783,
    "s": 68.657,
    "l": 26.275
  },
  "oklch": {
    "l": 0.29348,
    "c": 0.14167,
    "h": 270
  },
  "luminance": 0.0223
}

Semantic roles & 50–950 ramp

primary

#151D71

secondary

#A79E3B

accent

#DC3CEB

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #151D71

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

Preview Lab → · Contrast checker → · Palette generator →