#153171#153171

#153171 is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.4% C 0.116 H 263.6°. Best body text is #FFFFFF at 12.28:1 contrast (WCAG AA passes).

Color values

HEX	#153171
RGB	rgb(21, 49, 113)
HSL	hsl(222, 69%, 26%)
HSV	hsv(222, 81%, 44%)
CMYK	cmyk(81.4%, 56.6%, 0%, 55.7%)
CIE-LAB	lab(22.12, 15.06, -39.98)
CIE-LCH	lch(22.12, 42.73, 290.64°)
OKLab	oklab(33.39% -0.013 -0.1153)
OKLCH	oklch(33.39% 0.116 263.6)
XYZ	xyz(4.3871, 3.5478, 16.0732)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153171 #715515

analogous

#155F71 #153171 #271571

triadic

#153171 #711531 #317115

tetradic

#153171 #71155F #715515 #157127

square

#153171 #71155F #715515 #157127

split-complementary

#153171 #712715 #5F7115

monochromatic

#050B1A #0B1B3D #153171 #1F47A5 #295ED7

Accessibility & contrast

On white

12.28

#153171 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#153171 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153171

12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153171	#FFFFFF	#000000	##FFFFFF
##153171	1.00	12.28	1.71	12.28
#FFFFFF	12.28	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003973

Deuteranopia (green-blind)

#003170

Tritanopia (blue-blind)

#00414C

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #153171;
/* rgb */ color: rgb(21, 49, 113);
/* oklch */ color: oklch(33.4% 0.116 263.6);

Tailwind

colors: {
  custom: {
    50: '#62689a',
    500: '#153171',
    950: '#000000',
  },
}

SCSS

$custom: #153171;
$custom-light: #62689a;
$custom-dark: #000000;

JSON

{
  "hex": "#153171",
  "rgb": {
    "r": 21,
    "g": 49,
    "b": 113
  },
  "hsl": {
    "h": 221.739,
    "s": 68.657,
    "l": 26.275
  },
  "oklch": {
    "l": 0.33391,
    "c": 0.116,
    "h": 263.6
  },
  "luminance": 0.03548
}

Semantic roles & 50–950 ramp

primary

#153171

secondary

#A7863B

accent

#B63CEB

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #153171

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

Preview Lab → · Contrast checker → · Palette generator →