#153D77#153D77

#153D77 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.7% C 0.109 H 258.2°. Best body text is #FFFFFF at 10.68:1 contrast (WCAG AA passes).

Color values

HEX	#153D77
RGB	rgb(21, 61, 119)
HSL	hsl(216, 70%, 27%)
HSV	hsv(216, 82%, 47%)
CMYK	cmyk(82.4%, 48.7%, 0%, 53.3%)
CIE-LAB	lab(26.24, 9.03, -37.14)
CIE-LCH	lch(26.24, 38.23, 283.67°)
OKLab	oklab(36.69% -0.0222 -0.1067)
OKLCH	oklch(36.69% 0.109 258.2)
XYZ	xyz(5.3066, 4.8282, 18.1014)
Luminance	0.0483 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153D77 #774F15

analogous

#156E77 #153D77 #1E1577

triadic

#153D77 #77153D #3D7715

tetradic

#153D77 #77156E #774F15 #15771E

square

#153D77 #77156E #774F15 #15771E

split-complementary

#153D77 #771E15 #6E7715

monochromatic

#050D1A #0C2243 #153D77 #1E58AB #2D73DA

Accessibility & contrast

On white

10.68

#153D77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#153D77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153D77

10.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153D77	#FFFFFF	#000000	##FFFFFF
##153D77	1.00	10.68	1.97	10.68
#FFFFFF	10.68	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D4379

Deuteranopia (green-blind)

#033A76

Tritanopia (blue-blind)

#004B54

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #153d77;
/* rgb */ color: rgb(21, 61, 119);
/* oklch */ color: oklch(36.7% 0.109 258.2);

Tailwind

colors: {
  custom: {
    50: '#63719f',
    500: '#153d77',
    950: '#000000',
  },
}

SCSS

$custom: #153d77;
$custom-light: #63719f;
$custom-dark: #000000;

JSON

{
  "hex": "#153d77",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 119
  },
  "hsl": {
    "h": 215.51,
    "s": 70,
    "l": 27.451
  },
  "oklch": {
    "l": 0.36686,
    "c": 0.10896,
    "h": 258.2
  },
  "luminance": 0.04829
}

Semantic roles & 50–950 ramp

primary

#153D77

secondary

#AD7E3B

accent

#A43BED

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #153D77

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

Preview Lab → · Contrast checker → · Palette generator →