#151A71#151A71

#151A71 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.8% C 0.145 H 270.6°. Best body text is #FFFFFF at 14.81:1 contrast (WCAG AA passes).

Color values

HEX	#151A71
RGB	rgb(21, 26, 113)
HSL	hsl(237, 69%, 26%)
HSV	hsv(237, 81%, 44%)
CMYK	cmyk(81.4%, 77%, 0%, 55.7%)
CIE-LAB	lab(15.95, 31.09, -50.07)
CIE-LCH	lch(15.95, 58.94, 301.83°)
OKLab	oklab(28.85% 0.0014 -0.145)
OKLCH	oklch(28.85% 0.145 270.6)
XYZ	xyz(3.6583, 2.0901, 15.8302)
Luminance	0.0209 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151A71 #716C15

analogous

#154871 #151A71 #3E1571

triadic

#151A71 #71151A #1A7115

tetradic

#151A71 #711548 #716C15 #15713E

square

#151A71 #711548 #716C15 #15713E

split-complementary

#151A71 #713E15 #487115

monochromatic

#05061A #0B0E3D #151A71 #1F26A5 #2933D7

Accessibility & contrast

On white

14.81

#151A71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#151A71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151A71

14.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151A71	#FFFFFF	#000000	##FFFFFF
##151A71	1.00	14.81	1.42	14.81
#FFFFFF	14.81	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C74

Deuteranopia (green-blind)

#00236F

Tritanopia (blue-blind)

#003344

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #151a71;
/* rgb */ color: rgb(21, 26, 113);
/* oklch */ color: oklch(28.8% 0.145 270.6);

Tailwind

colors: {
  custom: {
    50: '#65579b',
    500: '#151a71',
    950: '#000000',
  },
}

SCSS

$custom: #151a71;
$custom-light: #65579b;
$custom-dark: #000000;

JSON

{
  "hex": "#151a71",
  "rgb": {
    "r": 21,
    "g": 26,
    "b": 113
  },
  "hsl": {
    "h": 236.739,
    "s": 68.657,
    "l": 26.275
  },
  "oklch": {
    "l": 0.28849,
    "c": 0.14502,
    "h": 270.6
  },
  "luminance": 0.0209
}

Semantic roles & 50–950 ramp

primary

#151A71

secondary

#A7A13B

accent

#E23CEB

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #151A71

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

Preview Lab → · Contrast checker → · Palette generator →