#153DA0#153DA0

#153DA0 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.2% C 0.167 H 263.7°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#153DA0
RGB	rgb(21, 61, 160)
HSL	hsl(223, 77%, 35%)
HSV	hsv(223, 87%, 63%)
CMYK	cmyk(86.9%, 61.9%, 0%, 37.3%)
CIE-LAB	lab(29.50, 25.90, -57.21)
CIE-LCH	lch(29.50, 62.80, 294.36°)
OKLab	oklab(40.18% -0.0182 -0.1656)
OKLCH	oklch(40.18% 0.167 263.7)
XYZ	xyz(8.3209, 6.0339, 33.9770)
Luminance	0.0604 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153DA0 #A07815

analogous

#1582A0 #153DA0 #3215A0

triadic

#153DA0 #A0153D #3DA015

tetradic

#153DA0 #A01582 #A07815 #15A032

square

#153DA0 #A01582 #A07815 #15A032

split-complementary

#153DA0 #A03215 #82A015

monochromatic

#071434 #0E286A #153DA0 #1C52D6 #4876E7

Accessibility & contrast

On white

9.52

#153DA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#153DA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153DA0

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153DA0	#FFFFFF	#000000	##FFFFFF
##153DA0	1.00	9.52	2.21	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA3

Deuteranopia (green-blind)

#003F9E

Tritanopia (blue-blind)

#005768

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #153da0;
/* rgb */ color: rgb(21, 61, 160);
/* oklch */ color: oklch(40.2% 0.167 263.7);

Tailwind

colors: {
  custom: {
    50: '#6f72bd',
    500: '#153da0',
    950: '#000000',
  },
}

SCSS

$custom: #153da0;
$custom-light: #6f72bd;
$custom-dark: #000000;

JSON

{
  "hex": "#153da0",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 160
  },
  "hsl": {
    "h": 222.734,
    "s": 76.796,
    "l": 35.49
  },
  "oklch": {
    "l": 0.40179,
    "c": 0.16663,
    "h": 263.7
  },
  "luminance": 0.06035
}

Semantic roles & 50–950 ramp

primary

#153DA0

secondary

#C8A349

accent

#BC34F3

background

#F7F6FB

surface

#EDECF7

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #153DA0

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

Preview Lab → · Contrast checker → · Palette generator →