#153A77#153A77

#153A77 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 36.0% C 0.113 H 260.0°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#153A77
RGB	rgb(21, 58, 119)
HSL	hsl(217, 70%, 27%)
HSV	hsv(217, 82%, 47%)
CMYK	cmyk(82.4%, 51.3%, 0%, 53.3%)
CIE-LAB	lab(25.31, 11.15, -38.64)
CIE-LCH	lch(25.31, 40.22, 286.09°)
OKLab	oklab(35.97% -0.0196 -0.1111)
OKLCH	oklch(35.97% 0.113 260)
XYZ	xyz(5.1509, 4.5168, 18.0496)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153A77 #775215

analogous

#156B77 #153A77 #211577

triadic

#153A77 #77153A #3A7715

tetradic

#153A77 #77156B #775215 #157721

square

#153A77 #77156B #775215 #157721

split-complementary

#153A77 #772115 #6B7715

monochromatic

#050D1A #0C2143 #153A77 #1E53AB #2D6EDA

Accessibility & contrast

On white

11.03

#153A77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#153A77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153A77

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153A77	#FFFFFF	#000000	##FFFFFF
##153A77	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#164179

Deuteranopia (green-blind)

#003876

Tritanopia (blue-blind)

#004952

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #153a77;
/* rgb */ color: rgb(21, 58, 119);
/* oklch */ color: oklch(36.0% 0.113 260.0);

Tailwind

colors: {
  custom: {
    50: '#646f9f',
    500: '#153a77',
    950: '#000000',
  },
}

SCSS

$custom: #153a77;
$custom-light: #646f9f;
$custom-dark: #000000;

JSON

{
  "hex": "#153a77",
  "rgb": {
    "r": 21,
    "g": 58,
    "b": 119
  },
  "hsl": {
    "h": 217.347,
    "s": 70,
    "l": 27.451
  },
  "oklch": {
    "l": 0.35973,
    "c": 0.11285,
    "h": 260
  },
  "luminance": 0.04517
}

Semantic roles & 50–950 ramp

primary

#153A77

secondary

#AD823B

accent

#AA3BED

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #153A77

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

Preview Lab → · Contrast checker → · Palette generator →