#153771#153771

#153771 is a dark, moderate blue. Relative luminance 0.041; OKLCH L 34.8% C 0.108 H 260.4°. Best body text is #FFFFFF at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#153771
RGB	rgb(21, 55, 113)
HSL	hsl(218, 69%, 26%)
HSV	hsv(218, 81%, 44%)
CMYK	cmyk(81.4%, 51.3%, 0%, 55.7%)
CIE-LAB	lab(23.95, 10.76, -37.02)
CIE-LCH	lch(23.95, 38.55, 286.20°)
OKLab	oklab(34.78% -0.018 -0.1064)
OKLCH	oklch(34.78% 0.108 260.4)
XYZ	xyz(4.6550, 4.0835, 16.1624)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153771 #714F15

analogous

#156571 #153771 #211571

triadic

#153771 #711537 #377115

tetradic

#153771 #711565 #714F15 #157121

square

#153771 #711565 #714F15 #157121

split-complementary

#153771 #712115 #657115

monochromatic

#050D1A #0B1E3D #153771 #1F50A5 #2969D7

Accessibility & contrast

On white

11.56

#153771 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#153771 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153771

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153771	#FFFFFF	#000000	##FFFFFF
##153771	1.00	11.56	1.82	11.56
#FFFFFF	11.56	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#153D73

Deuteranopia (green-blind)

#003570

Tritanopia (blue-blind)

#00454E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #153771;
/* rgb */ color: rgb(21, 55, 113);
/* oklch */ color: oklch(34.8% 0.108 260.4);

Tailwind

colors: {
  custom: {
    50: '#626d9a',
    500: '#153771',
    950: '#000000',
  },
}

SCSS

$custom: #153771;
$custom-light: #626d9a;
$custom-dark: #000000;

JSON

{
  "hex": "#153771",
  "rgb": {
    "r": 21,
    "g": 55,
    "b": 113
  },
  "hsl": {
    "h": 217.826,
    "s": 68.657,
    "l": 26.275
  },
  "oklch": {
    "l": 0.34785,
    "c": 0.10796,
    "h": 260.4
  },
  "luminance": 0.04084
}

Semantic roles & 50–950 ramp

primary

#153771

secondary

#A77F3B

accent

#AB3CEB

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #153771

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

Preview Lab → · Contrast checker → · Palette generator →