#153EA0#153EA0

#153EA0 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.4% C 0.165 H 263.5°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#153EA0
RGB	rgb(21, 62, 160)
HSL	hsl(222, 77%, 35%)
HSV	hsv(222, 87%, 63%)
CMYK	cmyk(86.9%, 61.2%, 0%, 37.3%)
CIE-LAB	lab(29.77, 25.22, -56.77)
CIE-LCH	lch(29.77, 62.12, 293.95°)
OKLab	oklab(40.38% -0.0187 -0.1643)
OKLCH	oklch(40.38% 0.165 263.5)
XYZ	xyz(8.3748, 6.1417, 33.9950)
Luminance	0.0614 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153EA0 #A07715

analogous

#1583A0 #153EA0 #3115A0

triadic

#153EA0 #A0153E #3EA015

tetradic

#153EA0 #A01583 #A07715 #15A031

square

#153EA0 #A01583 #A07715 #15A031

split-complementary

#153EA0 #A03115 #83A015

monochromatic

#071434 #0E296A #153EA0 #1C53D6 #4877E7

Accessibility & contrast

On white

9.42

#153EA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#153EA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153EA0

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153EA0	#FFFFFF	#000000	##FFFFFF
##153EA0	1.00	9.42	2.23	9.42
#FFFFFF	9.42	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA3

Deuteranopia (green-blind)

#00409E

Tritanopia (blue-blind)

#005769

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #153ea0;
/* rgb */ color: rgb(21, 62, 160);
/* oklch */ color: oklch(40.4% 0.165 263.5);

Tailwind

colors: {
  custom: {
    50: '#6f72bd',
    500: '#153ea0',
    950: '#000000',
  },
}

SCSS

$custom: #153ea0;
$custom-light: #6f72bd;
$custom-dark: #000000;

JSON

{
  "hex": "#153ea0",
  "rgb": {
    "r": 21,
    "g": 62,
    "b": 160
  },
  "hsl": {
    "h": 222.302,
    "s": 76.796,
    "l": 35.49
  },
  "oklch": {
    "l": 0.4038,
    "c": 0.1654,
    "h": 263.5
  },
  "luminance": 0.06143
}

Semantic roles & 50–950 ramp

primary

#153EA0

secondary

#C8A349

accent

#BB34F3

background

#F7F6FB

surface

#EDECF7

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #153EA0

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

Preview Lab → · Contrast checker → · Palette generator →