#153CA0#153CA0

#153CA0 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.0% C 0.168 H 264.0°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#153CA0
RGB	rgb(21, 60, 160)
HSL	hsl(223, 77%, 35%)
HSV	hsv(223, 87%, 63%)
CMYK	cmyk(86.9%, 62.5%, 0%, 37.3%)
CIE-LAB	lab(29.23, 26.58, -57.65)
CIE-LCH	lch(29.23, 63.48, 294.76°)
OKLab	oklab(39.98% -0.0177 -0.1669)
OKLCH	oklch(39.98% 0.168 264)
XYZ	xyz(8.2680, 5.9282, 33.9594)
Luminance	0.0593 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153CA0 #A07915

analogous

#1582A0 #153CA0 #3315A0

triadic

#153CA0 #A0153C #3CA015

tetradic

#153CA0 #A01582 #A07915 #15A033

square

#153CA0 #A01582 #A07915 #15A033

split-complementary

#153CA0 #A03315 #82A015

monochromatic

#071334 #0E286A #153CA0 #1C50D6 #4875E7

Accessibility & contrast

On white

9.61

#153CA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#153CA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153CA0

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153CA0	#FFFFFF	#000000	##FFFFFF
##153CA0	1.00	9.61	2.19	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA3

Deuteranopia (green-blind)

#003F9E

Tritanopia (blue-blind)

#005668

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #153ca0;
/* rgb */ color: rgb(21, 60, 160);
/* oklch */ color: oklch(40.0% 0.168 264.0);

Tailwind

colors: {
  custom: {
    50: '#6f71bd',
    500: '#153ca0',
    950: '#000000',
  },
}

SCSS

$custom: #153ca0;
$custom-light: #6f71bd;
$custom-dark: #000000;

JSON

{
  "hex": "#153ca0",
  "rgb": {
    "r": 21,
    "g": 60,
    "b": 160
  },
  "hsl": {
    "h": 223.165,
    "s": 76.796,
    "l": 35.49
  },
  "oklch": {
    "l": 0.3998,
    "c": 0.16786,
    "h": 264
  },
  "luminance": 0.05929
}

Semantic roles & 50–950 ramp

primary

#153CA0

secondary

#C8A449

accent

#BE34F3

background

#F7F6FB

surface

#EDECF7

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #153CA0

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

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