#153E80#153E80

#153E80 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 37.6% C 0.121 H 259.7°. Best body text is #FFFFFF at 10.33:1 contrast (WCAG AA passes).

Color values

HEX	#153E80
RGB	rgb(21, 62, 128)
HSL	hsl(217, 72%, 29%)
HSV	hsv(217, 84%, 50%)
CMYK	cmyk(83.6%, 51.6%, 0%, 49.8%)
CIE-LAB	lab(27.19, 12.10, -41.27)
CIE-LCH	lch(27.19, 43.01, 286.34°)
OKLab	oklab(37.63% -0.0215 -0.1188)
OKLCH	oklch(37.63% 0.121 259.7)
XYZ	xyz(5.9267, 5.1625, 21.1020)
Luminance	0.0516 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153E80 #805715

analogous

#157480 #153E80 #211580

triadic

#153E80 #80153E #3E8015

tetradic

#153E80 #801574 #805715 #158021

square

#153E80 #801574 #805715 #158021

split-complementary

#153E80 #802115 #748015

monochromatic

#040D1A #0C254B #153E80 #1E57B5 #3274DD

Accessibility & contrast

On white

10.33

#153E80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#153E80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153E80

10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153E80	#FFFFFF	#000000	##FFFFFF
##153E80	1.00	10.33	2.03	10.33
#FFFFFF	10.33	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#154582

Deuteranopia (green-blind)

#003C7F

Tritanopia (blue-blind)

#004E59

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #153e80;
/* rgb */ color: rgb(21, 62, 128);
/* oklch */ color: oklch(37.6% 0.121 259.7);

Tailwind

colors: {
  custom: {
    50: '#6672a5',
    500: '#153e80',
    950: '#000000',
  },
}

SCSS

$custom: #153e80;
$custom-light: #6672a5;
$custom-dark: #000000;

JSON

{
  "hex": "#153e80",
  "rgb": {
    "r": 21,
    "g": 62,
    "b": 128
  },
  "hsl": {
    "h": 217.009,
    "s": 71.812,
    "l": 29.216
  },
  "oklch": {
    "l": 0.37625,
    "c": 0.12072,
    "h": 259.7
  },
  "luminance": 0.05163
}

Semantic roles & 50–950 ramp

primary

#153E80

secondary

#B5873C

accent

#A939EF

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #153E80

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

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