#153B77#153B77

#153B77 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.2% C 0.112 H 259.4°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#153B77
RGB	rgb(21, 59, 119)
HSL	hsl(217, 70%, 27%)
HSV	hsv(217, 82%, 47%)
CMYK	cmyk(82.4%, 50.4%, 0%, 53.3%)
CIE-LAB	lab(25.62, 10.44, -38.14)
CIE-LCH	lch(25.62, 39.55, 285.31°)
OKLab	oklab(36.21% -0.0205 -0.1096)
OKLCH	oklch(36.21% 0.112 259.4)
XYZ	xyz(5.2018, 4.6187, 18.0665)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153B77 #775115

analogous

#156C77 #153B77 #201577

triadic

#153B77 #77153B #3B7715

tetradic

#153B77 #77156C #775115 #157720

square

#153B77 #77156C #775115 #157720

split-complementary

#153B77 #772015 #6C7715

monochromatic

#050D1A #0C2143 #153B77 #1E55AB #2D70DA

Accessibility & contrast

On white

10.92

#153B77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#153B77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153B77

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153B77	#FFFFFF	#000000	##FFFFFF
##153B77	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#184179

Deuteranopia (green-blind)

#003976

Tritanopia (blue-blind)

#004953

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #153b77;
/* rgb */ color: rgb(21, 59, 119);
/* oklch */ color: oklch(36.2% 0.112 259.4);

Tailwind

colors: {
  custom: {
    50: '#64709f',
    500: '#153b77',
    950: '#000000',
  },
}

SCSS

$custom: #153b77;
$custom-light: #64709f;
$custom-dark: #000000;

JSON

{
  "hex": "#153b77",
  "rgb": {
    "r": 21,
    "g": 59,
    "b": 119
  },
  "hsl": {
    "h": 216.735,
    "s": 70,
    "l": 27.451
  },
  "oklch": {
    "l": 0.36209,
    "c": 0.11155,
    "h": 259.4
  },
  "luminance": 0.04619
}

Semantic roles & 50–950 ramp

primary

#153B77

secondary

#AD813B

accent

#A83BED

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #153B77

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

Preview Lab → · Contrast checker → · Palette generator →