#153E9E#153E9E

#153E9E is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.2% C 0.163 H 263.4°. Best body text is #FFFFFF at 9.48:1 contrast (WCAG AA passes).

Color values

HEX	#153E9E
RGB	rgb(21, 62, 158)
HSL	hsl(222, 77%, 35%)
HSV	hsv(222, 87%, 62%)
CMYK	cmyk(86.7%, 60.8%, 0%, 38%)
CIE-LAB	lab(29.59, 24.42, -55.84)
CIE-LCH	lch(29.59, 60.95, 293.62°)
OKLab	oklab(40.2% -0.0188 -0.1616)
OKLCH	oklch(40.2% 0.163 263.4)
XYZ	xyz(8.2012, 6.0723, 33.0809)
Luminance	0.0607 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153E9E #9E7515

analogous

#15829E #153E9E #31159E

triadic

#153E9E #9E153E #3E9E15

tetradic

#153E9E #9E1582 #9E7515 #159E31

square

#153E9E #9E1582 #9E7515 #159E31

split-complementary

#153E9E #9E3115 #829E15

monochromatic

#071432 #0E2968 #153E9E #1C53D4 #4777E7

Accessibility & contrast

On white

9.48

#153E9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#153E9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153E9E

9.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153E9E	#FFFFFF	#000000	##FFFFFF
##153E9E	1.00	9.48	2.21	9.48
#FFFFFF	9.48	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA1

Deuteranopia (green-blind)

#00409C

Tritanopia (blue-blind)

#005768

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #153e9e;
/* rgb */ color: rgb(21, 62, 158);
/* oklch */ color: oklch(40.2% 0.163 263.4);

Tailwind

colors: {
  custom: {
    50: '#6e72bb',
    500: '#153e9e',
    950: '#000000',
  },
}

SCSS

$custom: #153e9e;
$custom-light: #6e72bb;
$custom-dark: #000000;

JSON

{
  "hex": "#153e9e",
  "rgb": {
    "r": 21,
    "g": 62,
    "b": 158
  },
  "hsl": {
    "h": 222.044,
    "s": 76.536,
    "l": 35.098
  },
  "oklch": {
    "l": 0.40197,
    "c": 0.1627,
    "h": 263.4
  },
  "luminance": 0.06073
}

Semantic roles & 50–950 ramp

primary

#153E9E

secondary

#C7A147

accent

#BA35F3

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #153E9E

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

Preview Lab → · Contrast checker → · Palette generator →