#153C77#153C77

#153C77 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.4% C 0.110 H 258.8°. Best body text is #FFFFFF at 10.80:1 contrast (WCAG AA passes).

Color values

HEX	#153C77
RGB	rgb(21, 60, 119)
HSL	hsl(216, 70%, 27%)
HSV	hsv(216, 82%, 47%)
CMYK	cmyk(82.4%, 49.6%, 0%, 53.3%)
CIE-LAB	lab(25.93, 9.74, -37.65)
CIE-LCH	lch(25.93, 38.88, 284.50°)
OKLab	oklab(36.45% -0.0213 -0.1082)
OKLCH	oklch(36.45% 0.11 258.8)
XYZ	xyz(5.2537, 4.7224, 18.0838)
Luminance	0.0472 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153C77 #775015

analogous

#156D77 #153C77 #1F1577

triadic

#153C77 #77153C #3C7715

tetradic

#153C77 #77156D #775015 #15771F

square

#153C77 #77156D #775015 #15771F

split-complementary

#153C77 #771F15 #6D7715

monochromatic

#050D1A #0C2243 #153C77 #1E56AB #2D72DA

Accessibility & contrast

On white

10.80

#153C77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#153C77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153C77

10.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153C77	#FFFFFF	#000000	##FFFFFF
##153C77	1.00	10.80	1.94	10.80
#FFFFFF	10.80	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B4279

Deuteranopia (green-blind)

#003976

Tritanopia (blue-blind)

#004A53

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #153c77;
/* rgb */ color: rgb(21, 60, 119);
/* oklch */ color: oklch(36.4% 0.110 258.8);

Tailwind

colors: {
  custom: {
    50: '#64719f',
    500: '#153c77',
    950: '#000000',
  },
}

SCSS

$custom: #153c77;
$custom-light: #64719f;
$custom-dark: #000000;

JSON

{
  "hex": "#153c77",
  "rgb": {
    "r": 21,
    "g": 60,
    "b": 119
  },
  "hsl": {
    "h": 216.122,
    "s": 70,
    "l": 27.451
  },
  "oklch": {
    "l": 0.36447,
    "c": 0.11025,
    "h": 258.8
  },
  "luminance": 0.04723
}

Semantic roles & 50–950 ramp

primary

#153C77

secondary

#AD7F3B

accent

#A63BED

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #153C77

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

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