#151971#151971

#151971 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.7% C 0.146 H 270.7°. Best body text is #FFFFFF at 14.90:1 contrast (WCAG AA passes).

Color values

HEX	#151971
RGB	rgb(21, 25, 113)
HSL	hsl(237, 69%, 26%)
HSV	hsv(237, 81%, 44%)
CMYK	cmyk(81.4%, 77.9%, 0%, 55.7%)
CIE-LAB	lab(15.73, 31.72, -50.44)
CIE-LCH	lch(15.73, 59.59, 302.16°)
OKLab	oklab(28.69% 0.0019 -0.1461)
OKLCH	oklch(28.69% 0.146 270.7)
XYZ	xyz(3.6365, 2.0465, 15.8229)
Luminance	0.0205 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151971 #716D15

analogous

#154771 #151971 #3F1571

triadic

#151971 #711519 #197115

tetradic

#151971 #711547 #716D15 #15713F

square

#151971 #711547 #716D15 #15713F

split-complementary

#151971 #713F15 #477115

monochromatic

#05061A #0B0E3D #151971 #1F24A5 #2931D7

Accessibility & contrast

On white

14.90

#151971 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#151971 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151971

14.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151971	#FFFFFF	#000000	##FFFFFF
##151971	1.00	14.90	1.41	14.90
#FFFFFF	14.90	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C74

Deuteranopia (green-blind)

#00236F

Tritanopia (blue-blind)

#003343

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #151971;
/* rgb */ color: rgb(21, 25, 113);
/* oklch */ color: oklch(28.7% 0.146 270.7);

Tailwind

colors: {
  custom: {
    50: '#65579b',
    500: '#151971',
    950: '#000000',
  },
}

SCSS

$custom: #151971;
$custom-light: #65579b;
$custom-dark: #000000;

JSON

{
  "hex": "#151971",
  "rgb": {
    "r": 21,
    "g": 25,
    "b": 113
  },
  "hsl": {
    "h": 237.391,
    "s": 68.657,
    "l": 26.275
  },
  "oklch": {
    "l": 0.2869,
    "c": 0.14609,
    "h": 270.7
  },
  "luminance": 0.02047
}

Semantic roles & 50–950 ramp

primary

#151971

secondary

#A7A23B

accent

#E43CEB

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #151971

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

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