#153FA0#153FA0

#153FA0 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.6% C 0.164 H 263.3°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#153FA0
RGB	rgb(21, 63, 160)
HSL	hsl(222, 77%, 35%)
HSV	hsv(222, 87%, 63%)
CMYK	cmyk(86.9%, 60.6%, 0%, 37.3%)
CIE-LAB	lab(30.04, 24.54, -56.33)
CIE-LCH	lch(30.04, 61.44, 293.54°)
OKLab	oklab(40.58% -0.0193 -0.163)
OKLCH	oklch(40.58% 0.164 263.3)
XYZ	xyz(8.4297, 6.2514, 34.0132)
Luminance	0.0625 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153FA0 #A07615

analogous

#1584A0 #153FA0 #3115A0

triadic

#153FA0 #A0153F #3FA015

tetradic

#153FA0 #A01584 #A07615 #15A031

square

#153FA0 #A01584 #A07615 #15A031

split-complementary

#153FA0 #A03115 #84A015

monochromatic

#071434 #0E2A6A #153FA0 #1C54D6 #4878E7

Accessibility & contrast

On white

9.33

#153FA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#153FA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153FA0

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153FA0	#FFFFFF	#000000	##FFFFFF
##153FA0	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA3

Deuteranopia (green-blind)

#00419E

Tritanopia (blue-blind)

#005869

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #153fa0;
/* rgb */ color: rgb(21, 63, 160);
/* oklch */ color: oklch(40.6% 0.164 263.3);

Tailwind

colors: {
  custom: {
    50: '#6e73bd',
    500: '#153fa0',
    950: '#000000',
  },
}

SCSS

$custom: #153fa0;
$custom-light: #6e73bd;
$custom-dark: #000000;

JSON

{
  "hex": "#153fa0",
  "rgb": {
    "r": 21,
    "g": 63,
    "b": 160
  },
  "hsl": {
    "h": 221.871,
    "s": 76.796,
    "l": 35.49
  },
  "oklch": {
    "l": 0.40583,
    "c": 0.16415,
    "h": 263.3
  },
  "luminance": 0.06253
}

Semantic roles & 50–950 ramp

primary

#153FA0

secondary

#C8A249

accent

#BA34F3

background

#F7F6FB

surface

#EDECF7

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #153FA0

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

Preview Lab → · Contrast checker → · Palette generator →