#153BA1#153BA1

#153BA1 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.9% C 0.170 H 264.2°. Best body text is #FFFFFF at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#153BA1
RGB	rgb(21, 59, 161)
HSL	hsl(224, 77%, 36%)
HSV	hsv(224, 87%, 63%)
CMYK	cmyk(87%, 63.4%, 0%, 36.9%)
CIE-LAB	lab(29.06, 27.66, -58.54)
CIE-LCH	lch(29.06, 64.75, 295.29°)
OKLab	oklab(39.88% -0.0172 -0.1696)
OKLCH	oklch(39.88% 0.17 264.2)
XYZ	xyz(8.3040, 5.8595, 34.4046)
Luminance	0.0586 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153BA1 #A17B15

analogous

#1581A1 #153BA1 #3515A1

triadic

#153BA1 #A1153B #3BA115

tetradic

#153BA1 #A11581 #A17B15 #15A135

square

#153BA1 #A11581 #A17B15 #15A135

split-complementary

#153BA1 #A13515 #81A115

monochromatic

#071335 #0E276B #153BA1 #1C4FD7 #4974E7

Accessibility & contrast

On white

9.67

#153BA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#153BA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153BA1

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153BA1	#FFFFFF	#000000	##FFFFFF
##153BA1	1.00	9.67	2.17	9.67
#FFFFFF	9.67	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA4

Deuteranopia (green-blind)

#003E9F

Tritanopia (blue-blind)

#005668

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #153ba1;
/* rgb */ color: rgb(21, 59, 161);
/* oklch */ color: oklch(39.9% 0.170 264.2);

Tailwind

colors: {
  custom: {
    50: '#6f70be',
    500: '#153ba1',
    950: '#000000',
  },
}

SCSS

$custom: #153ba1;
$custom-light: #6f70be;
$custom-dark: #000000;

JSON

{
  "hex": "#153ba1",
  "rgb": {
    "r": 21,
    "g": 59,
    "b": 161
  },
  "hsl": {
    "h": 223.714,
    "s": 76.923,
    "l": 35.686
  },
  "oklch": {
    "l": 0.39877,
    "c": 0.17043,
    "h": 264.2
  },
  "luminance": 0.05861
}

Semantic roles & 50–950 ramp

primary

#153BA1

secondary

#C8A649

accent

#C034F3

background

#F7F6FB

surface

#EDECF7

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #153BA1

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

Preview Lab → · Contrast checker → · Palette generator →