#153971#153971

#153971 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.3% C 0.105 H 259.2°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#153971
RGB	rgb(21, 57, 113)
HSL	hsl(217, 69%, 26%)
HSV	hsv(217, 81%, 44%)
CMYK	cmyk(81.4%, 49.6%, 0%, 55.7%)
CIE-LAB	lab(24.57, 9.33, -36.02)
CIE-LCH	lch(24.57, 37.21, 284.53°)
OKLab	oklab(35.26% -0.0198 -0.1034)
OKLCH	oklch(35.26% 0.105 259.2)
XYZ	xyz(4.7519, 4.2774, 16.1948)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153971 #714D15

analogous

#156771 #153971 #1F1571

triadic

#153971 #711539 #397115

tetradic

#153971 #711567 #714D15 #15711F

square

#153971 #711567 #714D15 #15711F

split-complementary

#153971 #711F15 #677115

monochromatic

#050D1A #0B1F3D #153971 #1F53A5 #296DD7

Accessibility & contrast

On white

11.32

#153971 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#153971 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153971

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153971	#FFFFFF	#000000	##FFFFFF
##153971	1.00	11.32	1.86	11.32
#FFFFFF	11.32	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3F73

Deuteranopia (green-blind)

#013670

Tritanopia (blue-blind)

#00464F

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #153971;
/* rgb */ color: rgb(21, 57, 113);
/* oklch */ color: oklch(35.3% 0.105 259.2);

Tailwind

colors: {
  custom: {
    50: '#626e9a',
    500: '#153971',
    950: '#000000',
  },
}

SCSS

$custom: #153971;
$custom-light: #626e9a;
$custom-dark: #000000;

JSON

{
  "hex": "#153971",
  "rgb": {
    "r": 21,
    "g": 57,
    "b": 113
  },
  "hsl": {
    "h": 216.522,
    "s": 68.657,
    "l": 26.275
  },
  "oklch": {
    "l": 0.35263,
    "c": 0.10533,
    "h": 259.2
  },
  "luminance": 0.04278
}

Semantic roles & 50–950 ramp

primary

#153971

secondary

#A77D3B

accent

#A73CEB

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #153971

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

Preview Lab → · Contrast checker → · Palette generator →