#153D80#153D80

#153D80 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.4% C 0.122 H 260.2°. Best body text is #FFFFFF at 10.44:1 contrast (WCAG AA passes).

Color values

HEX	#153D80
RGB	rgb(21, 61, 128)
HSL	hsl(218, 72%, 29%)
HSV	hsv(218, 84%, 50%)
CMYK	cmyk(83.6%, 52.3%, 0%, 49.8%)
CIE-LAB	lab(26.89, 12.80, -41.76)
CIE-LCH	lch(26.89, 43.68, 287.04°)
OKLab	oklab(37.39% -0.0207 -0.1202)
OKLCH	oklch(37.39% 0.122 260.2)
XYZ	xyz(5.8729, 5.0547, 21.0840)
Luminance	0.0505 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153D80 #805815

analogous

#157380 #153D80 #231580

triadic

#153D80 #80153D #3D8015

tetradic

#153D80 #801573 #805815 #158023

square

#153D80 #801573 #805815 #158023

split-complementary

#153D80 #802315 #738015

monochromatic

#040D1A #0C244B #153D80 #1E56B5 #3272DD

Accessibility & contrast

On white

10.44

#153D80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#153D80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153D80

10.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153D80	#FFFFFF	#000000	##FFFFFF
##153D80	1.00	10.44	2.01	10.44
#FFFFFF	10.44	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#124582

Deuteranopia (green-blind)

#003B7F

Tritanopia (blue-blind)

#004D58

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #153d80;
/* rgb */ color: rgb(21, 61, 128);
/* oklch */ color: oklch(37.4% 0.122 260.2);

Tailwind

colors: {
  custom: {
    50: '#6671a5',
    500: '#153d80',
    950: '#000000',
  },
}

SCSS

$custom: #153d80;
$custom-light: #6671a5;
$custom-dark: #000000;

JSON

{
  "hex": "#153d80",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 128
  },
  "hsl": {
    "h": 217.57,
    "s": 71.812,
    "l": 29.216
  },
  "oklch": {
    "l": 0.37394,
    "c": 0.12202,
    "h": 260.2
  },
  "luminance": 0.05055
}

Semantic roles & 50–950 ramp

primary

#153D80

secondary

#B5883C

accent

#AB39EF

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #153D80

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

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